Fatalities Year Article Type Location Damage (US$ ) Comments 40 1901 SS Islander Accident – shipwreck Lynn Canal , Alaska 40–54 1906 Dix (steamboat) Accident – shipwreck Alki Point, Seattle , Washington 40 1927 USS S-4 (SS-109) Accident – shipwreck Off Cape Cod , Massachusetts 40 1932 1932 Freeport hurricane Tropical cyclone Texas 40 1933 1933 Cuba–Brownsville hurricane Tropical cyclone South Texas 40 1953 April–May 1953 tornado outbreak sequence Tornado outbreak sequence Southeastern United States $26,713,000 Including 18 deaths from a tornado in Warner Robins, Georgia ; also including four non-tornadic deaths 40 1962 Ash Wednesday Storm of 1962 Winter storm East Coast of the United States 40+ 1969 Ohio Fireworks Derecho Derecho Ohio 40 1994 1994 Palm Sunday tornado outbreak Tornado outbreak Southeastern United States $140,000,000 (2005) Including a single tornado which killed 22 people in northeastern Alabama 40 2008 Kingston Fossil Plant coal fly ash slurry spill Coal ash spill Kingston, Tennessee An estimated 40 cleanup workers died due to various illnesses believed to be caused by coal ash exposure 39 1912 Corning train wreck Accident – railroad Corning, New York 39 1964 United Airlines Flight 823 Accident – aircraft Parrottsville, Tennessee 39 1968 Wien Consolidated Airlines Flight 55 Accident – aircraft Pedro Bay, Alaska 39 1970 Hurricane Creek mine disaster Accident – coal mine Hyden, Kentucky 39 1977 Kelly Barnes Dam Accident – dam failure Toccoa, Georgia 39 1997 Heaven's Gate (religious group) Mass suicide San Diego, California Cult leaders Marshall Applewhite and Bonnie Nettles convinced followers they would join Comet Hale-Bopp to take them to another planet by swallowing poison. 38+ 1815 1815 New England hurricane Tropical cyclone New England , Long Island 38 1846 John Minturn Accident – shipwreck Mantoloking, New Jersey 38 1860 SS Northerner Accident – shipwreck Centerville, Humboldt County, California 38+ 1886 January 1886 blizzard Winter storm Eastern United States 38 1887 Forest Hills disaster Accident – bridge collapse Boston, Massachusetts 38 1920 Wall Street bombing Terrorism Manhattan, New York 38 1956 Tornado outbreak of April 2–3, 1956 Tornado outbreak Central United States $58,000,000 Including 17 deaths from the Saugatuck–Hudsonville–Standale, Michigan tornado 38 1964 Hurricane Hilda Tropical cyclone , tornado Louisiana Including 22 deaths from a tornado near Larose, Louisiana 38 1967 Lake Central Flight 527 Accident – aircraft Marseilles Township, Wyandot County, Ohio 38 1969 United Airlines Flight 266 Accident – aircraft Santa Monica Bay , California 38 1973 Ozark Air Lines Flight 809 Accident – aircraft Normandy, Missouri 38 [51] 2011 2011 Afghanistan Boeing Chinook shootdown Military strike – rocket-propelled grenade Maidan Wardak Province , Afghanistan 38 2014 Tornado outbreak of April 27–30, 2014 Tornado outbreak Southern United States , Central United States ≥$1,000,000,000 (2014) 84 tornadoes, including the Mayflower–Vilonia, Arkansas tornado which killed 16. 35 tornadic deaths, with another 3 from related weather. 38 2020 2020 Easter tornado outbreak Tornado outbreak Southeastern United States , Mid-Atlantic $3,000,000,000 (2020) Including six non-tornadic deaths 37 1883 1883 Rochester tornado Tornado Rochester, Minnesota $700,000 (1883) F5 tornado killed 37 and injured hundreds more. It led to the creation of the Mayo Clinic . 37 1948 Northwest Airlines Flight 421 Accident – aircraft Fountain City, Wisconsin 37 1961 Northwest Orient Airlines Flight 706 Accident – aircraft Chicago, Illinois 37 1966 Loss of MV Alva Cape Accident – shipwreck New York Harbor 33 people killed in first fire, four people killed in second fire several days later 37 1976 American Airlines Flight 625 Accident – aircraft Saint Thomas, U.S. Virgin Islands 37 1994 USAir Flight 1016 Accident – aircraft Charlotte, North Carolina 36 1846 USS Somers (1842) Accident – shipwreck Off Veracruz Capsized due to a squall while chasing a blockade runner during the Mexican–American War 36–50 1887 SS Vernon Accident – shipwreck Lake Michigan 36 [36] 1904 Missouri (BB-11) turret fire Fire (ship) Atlantic Ocean 36 1924 Babbs Switch fire Fire (building) Babbs Switch, Oklahoma Financial damage not reported Christmas tree lighted with candles accidentally caught fire and destroyed school building. 37 additional people injured. 36 1937 Hindenburg disaster Accident – airship Manchester, New Jersey Hydrogen-filled zeppelin exploded while trying to dock. 36 2002 Tornado outbreak of November 9–11, 2002 Tornado outbreak Eastern United States $160,000,000 36 2010 2010 Tennessee floods Flood , tornado outbreak Tennessee , Kentucky and Mississippi $2,300,000,000 Including five tornado deaths from a related tornado outbreak 36 2016 Ghost Ship warehouse fire Fire (building) Oakland, California 35 1900 Camp Creek train wreck Accident – railroad McDonough, Georgia 35+ 1907 Naomi Mine explosion Accident – coal mine Fayette City, Pennsylvania 35 1914 Francis H. Leggett Accident – shipwreck Off Columbia Bar , Oregon 35 1919 J. A. Chanslor Accident – shipwreck Off Cape Blanco, Oregon 35 1923 Allen Street Bridge disaster Accident – bridge collapse Washington (U.S. state) 35 1949 Standard Air Lines Flight 897R Accident – aircraft Chatsworth, California 35 1969 Hawthorne Nevada Airlines Flight 708 Accident – aircraft Lone Pine, California 35 1980 Sunshine Skyway Bridge Ship – collision St. Petersburg, Florida 35 1991 Los Angeles runway disaster Accident – aircraft Los Angeles, California 35 2007 Tornado outbreak of February 28 – March 2, 2007 Tornado outbreak , blizzard Central United States , Southern United States $580,000,000 20 deaths from tornadoes, 15 deaths from blizzard; four other deaths occurred in Canada 35 2011 2011 Halloween nor'easter Blizzard Northeastern United States Additional four deaths in Canada 34 1878 1878 Wallingford tornado Tornado Southern Connecticut $5,300,000 (2007) 34 1893 1893 New York hurricane Tropical cyclone Eastern United States 34+ 1916 1916 Gulf Coast hurricane Tropical cyclone Gulf Coast of the United States 34 1920 1920 North Dakota blizzard Winter storm North Dakota 34 1922 Roma (airship) Accident – airship Norfolk, Virginia 34 1934 Kerns Hotel fire Fire (building) Lansing, Michigan 34 1936 SS Iowa (1920) Accident – shipwreck Columbia Bar , Washington 34 1943 USS Rogday (ID-3583) Accident – shipwreck Off South Carolina 34 1945 Michigan train wreck Accident – railroad Michigan City, North Dakota 34 1950 1950 Chicago streetcar crash Accident – railroad Chicago, Illinois 34 1959 Braniff Flight 542 Accident – aircraft Near Buffalo, Texas 34 1960 National Airlines Flight 2511 Accident – aircraft Near Bolivia, North Carolina 34 1967 USS Liberty incident Military strike - aircraft, torpedo boats Mediterranean Sea 34 deaths on military ship USS Liberty due to the June 8, 1967, attack by Israeli Defense Force (IDF) aircraft and torpedo boats. 34 1967 Mohawk Airlines Flight 40 Accident – aircraft Blossburg, Pennsylvania 34 1980 Florida Commuter Airlines crash Accident – aircraft Atlantic Ocean , near West End, Bahamas 34 2015 Hurricane Joaquin Tropical cyclone , shipwreck Southeastern United States , Bermuda , Cuba , The Caribbean $200,000,000 Including 33 deaths from the sinking of SS El Faro near the Bahamas , and one other death on land. 34 [52] 2019 Sinking of MV Conception Fire (dive boat) Santa Cruz Island , California 33 1858 Eliza Battle Accident – shipwreck Tombigbee River , Alabama Fatalities estimated 33 1913 Alum Chine explosion Accident – explosion Patapsco River , near Baltimore, Maryland 33 1925 USS S-51 (SS-162) Accident – shipwreck Near Block Island , Rhode Island 33 1941 USS O-9 (SS-70) Accident – shipwreck Off Portsmouth, New Hampshire 33 1952 National Airlines Flight 101 Accident – aircraft Elizabeth, New Jersey Last of three plane crashes in Elizabeth over three months 33 1958 SS Carl D. Bradley Accident – shipwreck Lake Michigan 33 1960 May 1960 tornado outbreak sequence Tornado outbreak sequence Midwestern United States , Southern United States $32,618,000 Including 16 deaths from a single tornado in southeastern Oklahoma 33 1973 Mississippi flood of 1973 Flood Mississippi Valley 33 1978 Tropical Storm Amelia (1978) Tropical cyclone Texas 33 1996 Humberto Vidal explosion Accident – explosion Río Piedras, Puerto Rico 33 2007 Virginia Tech shooting Mass murder – school shooting Blacksburg, Virginia Armed with two semi-automatic handguns , student Seung-Hui Cho shot to death 32 people in two separate attacks on the campus of Virginia Polytechnic Institute and State University . 23 other people were wounded, 17 by gunfire. Cho committed suicide. [53] 33 2023 Tornado outbreak of March 31 – April 1, 2023 Tornado outbreak Midwestern United States , Southern United States , Eastern United States Including one indirect and six non-tornadic deaths 32–37 [54] 1920 Ocoee massacre Mass racial violence Orange County, Florida 32–33 1858 John Milton (ship) Accident – shipwreck Off Long Island, New York 32+ 1868 Morning Star (1862 ship) Accident – shipwreck Lake Erie At least 30 deaths aboard the Morning Star , and two deaths aboard the Cortland 32 1918 USS Cherokee (ID-458) Accident – shipwreck Off Fenwick Island, Delaware Including two people who later died after being rescued by the British Admiral 32 1948 1948 Los Gatos DC-3 crash Accident – aircraft Diablo Range , west of Coalinga, California 32 1948 1948 Airborne Transport DC-3 disappearance Accident – aircraft Atlantic Ocean , off east coast of Florida Disappeared and was never recovered 32 1950 Rockville Centre train crash Accident – railroad Rockville Centre, New York 32 1962 Tornado outbreak sequence of May 14–June 1, 1962 Tornado outbreak sequence Most fatalities were due to lightning rather than tornadoes 32 1963 1963 Chualar bus crash Accident – bus, train Chualar, California Deadliest road accident in U.S. history, and deadliest U.S. rail accident involving a grade crossing 32 1968 Northeast Airlines Flight 946 Accident – aircraft Etna, New Hampshire 32 1969 1969 Hazlehurst, Mississippi tornadoes Tornado Hazlehurst, Mississippi 32 1973 UpStairs Lounge arson attack Mass murder - arson New Orleans, Louisiana Deadliest attack on a gay bar in the U.S. until 2016; still unsolved. 32 1994 Tropical Storm Alberto (1994) Tropical cyclone Georgia 31 1853 Steamboat Jenny Lind Accident – shipwreck San Francisco Bay , California 31 1855 Gasconade Bridge train disaster Bridge – accident Gasconade, Missouri 31 1862 USS Weehawken (1862) Accident – shipwreck Morris Island , South Carolina 31 1892 SS Western Reserve Accident – shipwreck Lake Superior 31 1910 USS Nina Accident – shipwreck Off Ocean City, Maryland 31 1913 1913 Binghamton Factory fire Fire (building) Binghamton, New York 31 1940 Little Falls Gulf Curve crash of 1940 Accident – railroad Little Falls, New York An additional 51 were injured 31 1959 Capital Airlines Flight 75 Accident – aircraft Chase, Maryland 31 1970 Wichita State University football team plane crash Accident – aircraft Clear Creek County, Colorado 31 1981 Keansburg nursing home fire Fire (building) Keansburg, New Jersey Nursing home full of elderly and mentally disabled [55] 31 1983 SS Marine Electric Accident – shipwreck Off Virginia 31 1985 Midwest Express Airlines Flight 105 Accident – aircraft Milwaukee, Wisconsin 31 1998 October 1998 Central Texas floods Flood Texas 31 2009 2009 Samoa earthquake and tsunami Tsunami American Samoa and nearby islands 189 total deaths, with 31 in American Samoa. 30 1845 Great New York City Fire of 1845 Fire New York City, New York 30 1868 1868 Hayward earthquake Earthquake Hayward, California 30 1887 Forest Hills disaster Structural failure Boston, Massachusetts 30 1895 Osceola Mine Accident – copper mine Osceola Township, Houghton County, Michigan 30–38 1909 SS Marquette & Bessemer No. 2 Accident – shipwreck Lake Erie 30 1923 Glenrock train wreck Accident – railroad Meadow Acres, Wyoming 30 1948 Northwest Airlines Flight 4422 Accident – aircraft Mount Sanford , Alaska Territory 30 1952 American Airlines Flight 6780 Accident – aircraft Elizabeth, New Jersey Second of three plane crashes in Elizabeth over three months 30 1955 American Airlines Flight 476 Accident – aircraft Fort Leonard Wood, Missouri 30 1956 Redondo Junction train wreck Accident – railroad Los Angeles, California 30 1965 United Airlines Flight 389 Accident – aircraft Lake Michigan , near Lake Forest, Illinois 30 1982 Tornado outbreak of April 2–3, 1982 Tornado outbreak Midwestern United States , Southern United States $390,500,000 30 1987 1987 Saragosa tornado Tornado Saragosa, Texas $2,500,000 30 1989 November 1989 tornado outbreak Tornado outbreak Southern United States , Eastern United States $160,000,000 (2005) 21 deaths from the Huntsville, Alabama tornado ; nine others from an event in Newburgh, New York variously described as either a tornado or a downburst 30 1997 1997 Central Texas tornado outbreak Tornado outbreak Central Texas $126,600,000 All 27 tornadic deaths were from a single tornado in Jarrell; three other non-tornadic fatalities occurred 30 2004 Hurricane Charley Tropical cyclone Florida , Rhode Island 30 2005 Hurricane Wilma Tropical cyclone Florida 30 2013 Tornado outbreak of May 18–21, 2013 Tornado outbreak Moore, Oklahoma Including the Moore, Oklahoma tornado which killed 24; also including four non-tornadic and indirect deaths 29 1871 Great Revere Train Wreck of 1871 Accident – railroad Revere, Massachusetts 29 1910 SS Pere Marquette 18 Accident – shipwreck Lake Michigan Including two crew members of sister ship Pere Marquette 17 29–42 1910 Baudette fire of 1910 Wildfire Beltrami County, Minnesota 29 1920 SS Superior City Accident – shipwreck Lake Superior Collided with SS Willis L. King 29 1933 1933 Griffith Park fire Wildfire Griffith Park , California 29 1943 Lackawanna Limited wreck Accident – railroad Wayland, New York Delaware, Lackawanna and Western Railroad passenger train sideswiped a freight train [56] 29 1954 Hurricane Edna Tropical cyclone North Carolina , New England 29 1964 Bonanza Air Lines Flight 114 Accident – aircraft Near Sloan, Nevada 29 1970 Pioneer Hotel (Tucson, Arizona) Fire (building) Tucson, Arizona 29 1971 Thiokol-Woodbine explosion Accident – explosion Woodbine, Georgia 29 1973 MV Norse Variant Accident – shipwreck Off New Jersey 29 1975 Wreck of the SS Edmund Fitzgerald Accident – shipwreck Lake Superior Deadliest disaster on the Great Lakes. Inspired hit song by Gordon Lightfoot 29 1976 Yuba City bus disaster Accident – school bus Martinez, California 29 1977 Air Indiana Flight 216 Accident – aircraft Evansville, Indiana The University of Evansville basketball team was traveling to Middle Tennessee State University when the plane crashed 90 seconds after takeoff from Dress Regional Airport . [57] 29 1990 1990 Plainfield tornado Tornado Plainfield, Illinois Crest Hill, Illinois
$160,000,000 29 1997 Comair Flight 3272 Accident – aircraft Raisinville Township, Michigan 29 2006 Tornado outbreak of April 2, 2006 Tornado outbreak Midwestern United States , Mississippi River Valley $1,100,000,000 Including a single tornado in western Tennessee which killed 16; also including two non-tornadic deaths 29 2007 February 2007 North American blizzard Blizzard Midwestern United States , Eastern United States , Gulf Coast of the United States $50,000,000 Including one death due to a tornado in New Orleans ; at least seven other deaths also occurred in Canada 29 2010 Upper Big Branch Mine disaster [58] Accident – coal mine Montcoal, West Virginia 28 1913 Arcadia Hotel fire Fire (building) Boston 28 1927 Pittsburgh gasometer explosion Accident – explosion Pittsburgh, Pennsylvania 28 1949 American Airlines Flight 157 Accident – aircraft Dallas, Texas 28 1951 Great Flood of 1951 Flood Kansas , Missouri $7,000,000,000 28 1953 American Airlines Flight 723 Accident – aircraft Colonie, New York 28 1958 Tornado outbreak of June 3–4, 1958 Tornado outbreak Minnesota , Montana , Nebraska , Wisconsin $83,275,000 Including 21 deaths from a tornado that struck Colfax, Wisconsin 28+ 1959 1959 Hebgen Lake earthquake Earthquake Montana 28 1961 Texas Tower 4 Structural collapse Off the coast of Long Island , New York USAF radar station which sunk due to the January 1961 nor'easter 28 1968 North Central Airlines Flight 458 Accident – aircraft Chicago, Illinois 28 1969 USS Enterprise fire Accident – fire , explosion Pacific Ocean , off Pearl Harbor, Hawaii 28 1971 Allegheny Airlines Flight 485 Accident – aircraft New Haven, Connecticut 28 1977 Blizzard of 1977 Winter storm New York 28 1987 L'Ambiance Plaza collapse Structural collapse Bridgeport, Connecticut 28 1987 Continental Airlines Flight 1713 Accident – aircraft Denver, Colorado 28 1998 January 1998 North American ice storm Winter storm , flood Eastern United States Additional 28 deaths in Canada 28 2008 Tornado outbreak sequence of May 7–15, 2008 Tornado outbreak sequence Southern Plains , Southeastern United States , Mid-Atlantic $250,324,000 Including the Picher, Oklahoma/Neosho, Missouri tornado which killed 21 people; also including three non-tornadic deaths 28 2012 Sandy Hook Elementary School shooting Mass murder – school shooting Sandy Hook, Connecticut Adam Lanza shot and killed his mother, then drove to Sandy Hook Elementary School, where he fatally shot 20 students and 6 educators before committing suicide. [59] 27 1872 1872 Owens Valley earthquake Earthquake Owens Valley , California 27 1947 West Frankfort, Illinois Accident – coal mine West Frankfort, Illinois 27 1958 Prestonsburg, Kentucky bus disaster Accident – school bus Prestonsburg, Kentucky 27 1962 Canadian Pacific Air Lines Flight 301 Accident – aircraft Honolulu, Hawaii 27 1984 Wilberg Mine Accident – coal mine Emery County, Utah 27 1988 Carrollton bus collision Accident – school bus Carrollton, Kentucky 27 1992 USAir Flight 405 Accident – aircraft Flushing Bay , near Queens, New York 27 1996 Hurricane Fran Tropical cyclone The Carolinas , the Virginias , Pennsylvania 27 1997 March 1997 tornado outbreak Tornado outbreak Arkansas , Mississippi , Kentucky , and Tennessee $115,000,000 Including a single tornado which killed 15 people near Little Rock, Arkansas 27 2003 North American blizzard of 2003 Winter storm Rocky Mountains , Central United States , Eastern United States 27 2013 Tornado outbreak of May 26–31, 2013 Tornado outbreak , flood Oklahoma , Kansas , Missouri , Arkansas 9 tornadic deaths, 18 from flooding and other causes 27 2017 Sutherland Springs church shooting Mass shooting Sutherland Springs, Texas 26 murdered, gunman committed suicide after being mortally wounded by an armed civilian 26 1863 SS Ada Hancock Accident – shipwreck San Pedro Bay , California 26 1911 Canonsburg Opera House disaster Stampede Canonsburg, Pennsylvania 26 [60] 1907 Canaan disaster Accident - train collision New Hampshire 26 1913 James T. Staples Accident – explosion , shipwreck Tombigbee River , near Coffeeville, Alabama 26 1924 SS Clifton Accident – shipwreck Lake Huron 26 1926 SS Papoose Accident – shipwreck Mississippi River 26 1939 USS Sailfish (SS-192) Accident – shipwreck Off New Hampshire 26 1951 Continental Charters Flight 44-2 Accident – aircraft Near Napoli, New York 26 1959 Piedmont Airlines Flight 349 Accident – aircraft Albemarle County, Virginia 26 1962 Hurricane Daisy (1962) Tropical cyclone New England 26 1967 TWA Flight 553 Accident – aircraft Concord Township, Champaign County, Ohio 26 1970 Tornado outbreak sequence of April 17–19, 1970 Tornado outbreak sequence Midwestern United States , Southern United States Including a tornado which killed 16 people in the Texas Panhandle 26 1970 Lubbock tornado Tornado Lubbock, Texas $1,411,900,000 F5 tornado killed 26 and wounded approximately 500 26 1976 Scotia Mine Accident – coal mine Oven Fork, Kentucky 26 1980 Stouffer's Inn fire Fire (building) Harrison, New York 26 1992 Tornado outbreak of November 1992 Tornado outbreak Southeastern United States , Ohio Valley $300,000,000 26 2008 2008 Chatsworth train collision Accident – railroad Chatsworth, California 26 2020 Tornado outbreak of March 2–3, 2020 Tornado outbreak Tennessee , Alabama , Kentucky , Missouri $1,606,000,000 (2020) Including the Putnam County, Tennessee tornado which killed 19; also including one indirect fatality 25–40 1898 Hassler (vessel) Accident – shipwreck North of Eldred Rock , Alaska 25 1913 SS Henry B. Smith Accident – shipwreck Lake Superior The SS Henry B. Smith was taking iron ore from one side of Lake Superior to the other. The weather became below freezing with powerful storms which caused massive waves, which resulted in her sinking, killing all 25 crew members on the ship. 25 1916 SS James B. Colgate Accident – shipwreck Lake Erie 25 1926 1926 Nassau hurricane Tropical cyclone Puerto Rico 25 1926 1926 Louisiana hurricane Tropical cyclone Louisiana 25 1929 SS Andaste Accident – shipwreck Lake Michigan 25 1936 Johnstown flood of 1936 Flood Johnstown, Pennsylvania area 25 1940 Lovettsville air disaster Accident – aircraft Lovettsville, Virginia 25 1946 Mount Tom B-17 crash Accident – aircraft Mount Tom , Massachusetts 25 1956 1956 McDonald Chapel tornado Tornado Jefferson County, Alabama 25 1958 Northeast Airlines Flight 258 Accident – aircraft Nantucket Memorial Airport , Massachusetts 25 1959 Allegheny Airlines Flight 371 Accident – aircraft South Williamsport, Pennsylvania 25 1962 Eastern Air Lines Flight 512 Accident – aircraft New York City , New York 25 [61] 1967 Dale's Penthouse fire Fire (building) Montgomery, Alabama 25 [62] 1982 Dorothy Mae Apartments fire Mass murder - arson Los Angeles, California 25 1986 Grand Canyon Airlines Flight 6 Accident – aircraft Grand Canyon National Park , Arizona Deadliest accident involving a helicopter in U.S. history 25 1991 Hamlet chicken processing plant fire Fire (building) Hamlet, North Carolina Workers trapped behind locked doors 25 1991 1991 Oakland firestorm Wildfire (wildland-urban interface) Oakland, California , and vicinity $1,500,000,000 Burned 2,900 structures and 1,500 acres in Oakland Hills 25 2005 Evansville Tornado of November 2005 Tornado Missouri , Indiana , Kentucky , Ohio $92,000,000 7 tornadoes 25 2023 Tornado outbreak of March 24–27, 2023 Tornado outbreak Mississippi , Alabama Including 17 deaths in the Rolling Fork–Silver City tornado ; also including two non-tornadic deaths in Missouri 24–25 [63] 1916 Big Barren Creek flood Accident – dam failure Claiborne County, Tennessee 24 1806 1806 Great Coastal hurricane Tropical cyclone , shipwreck East Coast of the United States Including 21 deaths in the wreck of the Rose-in-Bloom off Barnegat Inlet , New Jersey , and three deaths in or offshore from North Carolina 24+ 1854 Gazelle (1854 sidewheeler) Accident – explosion Canemah, Oregon 24 1881 1881 Minnesota tornado outbreak Tornado outbreak Southern Minnesota Including 20 deaths from a single tornado 24–25 1901 SS Hudson (1887) Accident – shipwreck Off Eagle Harbor, Michigan 24 1905 Red Ash Mine disasters Accident – coal mine Fire Creek, West Virginia Two explosions over two days killed a total of 24 people 24 1908 SS D.M. Clemson Accident – shipwreck Lake Superior 24 [64] 1910 Chicago Union Stock Yards fire Fire (industrial) Illinois 21 firefighters 24 1924 Hope Development School fire Fire (building) Playa Del Rey, California 24 1939 1939 City of San Francisco derailment Accident – railroad Harney, Nevada 24 1944 American Airlines Flight 2 Accident – aircraft Mississippi River 24 [65] 1958 Monarch Underwear Company fire Fire (building) New York City, New York 24 1974 Gulliver's nightclub fire Mass murder - arson Port Chester, New York 24 1980 Hurricane Allen Tropical cyclone Texas , Louisiana 7 deaths in Texas, 17 offshore deaths in Louisiana 24 1991 Luby's shooting Mass murder Killeen, Texas 23 murdered, gunman committed suicide 24 1994 Green Ramp disaster Accident – aircraft Fayetteville, North Carolina Deadliest aircraft accident in the U.S. involving victims on the ground 24 1995 1995 Alaska Boeing E-3 Sentry accident Accident – aircraft Elmendorf Air Force Base , Alaska 24 2002 North Carolina ice storm of 2002 Winter storm North Carolina 24 2015 October 2015 North American storm complex Extratropical cyclone Eastern United States Additional death in New Brunswick 23 1874 Granite Mill fire Fire (building) Fall River, Massachusetts 23 1891 Railway accident on the Bostian Bridge Accident – railroad Statesville, North Carolina 23 1900 Thanksgiving Day Disaster Structural collapse San Francisco, California Deadliest sporting event accident in US history 23 1919 Onawa train wreck Accident – railroad Onawa, Maine 23 1923 Honda Point disaster Accident – shipwreck Near Lompoc, California 20 deaths aboard USS Young , three deaths aboard USS Delphy 23 1925 M.E. Norman Accident – shipwreck Mississippi River 23–25 1933 1933 Outer Banks hurricane Tropical cyclone North Carolina , Virginia Two people went missing in Maine 23 1950 USS Benevolence Accident – shipwreck Off San Francisco, California 23 1959 Meldrim, Georgia, trestle disaster Explosion – fire Meldrim, Georgia 23 1961 Tornado outbreak sequence of May 3–9, 1961 Tornado outbreak sequence Great Plains , Mississippi Valley , Midwest , Northeastern , Mid-Atlantic , and Southeastern United States $42,205,000 Including 16 deaths from a tornado in Le Flore County, Oklahoma 23 1962 New York Telephone Company building explosion Accident – explosion New York City, New York 23 1965 USAF KC-135 Wichita crash Accident – aircraft Wichita, Kansas 23 1968 Los Angeles Airways Flight 841 Accident – aircraft Paramount, California 23 1970 ALM Flight 980 Accident – aircraft Caribbean Sea , off Saint Croix 23 1970 Hurricane Celia Tropical cyclone Texas , Florida 23 1970 Tropical Storm Norma (1970) Tropical cyclone , flood Arizona 23 1976 Wincrest Nursing Home fire Arson Chicago, Illinois 23 1977 Great Lakes Blizzard of 1977 Blizzard New York , Ontario $56,250,000 The brunt of the blizzard was centered around Buffalo . 23 1980 USCGC Blackthorn Accident – shipwreck Tampa Bay , Florida 23 1983 Air Canada Flight 797 Accident – aircraft Cincinnati, Ohio 23 1989 Phillips disaster Accident – explosion Pasadena, Texas $1,415,000,000 314 people injured 23 1991 Atlantic Southeast Airlines Flight 2311 Accident – aircraft Brunswick, Georgia 23+ 2016 2016 West Virginia flood Flood West Virginia and Virginia 23 2019 Tornado outbreak of March 3, 2019 Tornado Alabama and Georgia All 23 fatalities due to a single tornado ; 3 of the deaths were children 23 2019 2019 El Paso shooting Mass shooting El Paso, Texas 23 2021 February 15–20, 2021 North American winter storm Winter storm Contiguous United States Additional six deaths in Mexico 23 2022 Hurricane Fiona Tropical cyclone Puerto Rico 23 1984 San Ysidro McDonald's massacre Mass shooting , hostage taking San Ysidro , California James Huberty entered a McDonald's armed with multiple Firearms , and shot dead 21 people, including a pregnant woman, before being killed by police. 22+ 1821 1821 Norfolk and Long Island hurricane Tropical cyclone East Coast of the United States 22+ [66] 1861 Kentucky (steamboat) Boiler explosion Mississippi River near Helena, Arkansas 22 1865 1865 Viroqua tornado Tornado Viroqua, Wisconsin 22 [67] 1867 Kingstree jail fire Fire (building) Kingstree, South Carolina 22 1893 Ford's Theatre Structural collapse Washington, D.C. 22 1895 SS Chicora Accident – shipwreck Lake Michigan 22 1907 SS Cyprus Accident – shipwreck Lake Superior 22 1903 United States Cartridge Company explosion Accident – explosion Lowell, Massachusetts 22 1929 Study Club fire Fire (building) Detroit, Michigan 22 1942 TWA Flight 3 Accident – aircraft Potosi Mountain , southwest of Las Vegas, Nevada Among those killed were actress Carole Lombard and her mother, who were returning to Los Angeles after a war bond drive in their home state of Indiana . 22 1953 Mid–March 1953 tornado outbreak Tornado outbreak Great Plains , Mississippi Valley , Southeastern United States $6,835,000 Including 17 deaths from a tornado in northern Texas 22 1956 TWA Flight 400 Accident – aircraft Moon Township, Pennsylvania 22 1959 St. Louis tornado outbreak of February 1959 Tornado outbreak Great Plains , Midwestern United States , Southeastern United States $53,713,000 21 deaths from a single tornado in St. Louis, Missouri , and one death from flooding 22 1959 Hurricane Gracie Tropical cyclone , tornado outbreak Georgia , South Carolina , Virginia Including 12 deaths from a tornado outbreak in Virginia 22 1960 Cal Poly football team plane crash Accident – aircraft Toledo, Ohio 22 1963 Hotel Roosevelt fire Fire (building) Jacksonville, Florida 22 1972 1972 Sacramento Canadair Sabre accident Accident – aircraft Sacramento, California 22 1974 Tornado outbreak of June 8, 1974 Tornado outbreak Midwestern United States , Southern United States 22 1979 Hurricane David Tropical cyclone Puerto Rico , East Coast of the United States 22 1980 Accident – tour bus Jasper, Arkansas [ citation needed ] 22 1991 1991 Halloween blizzard Winter storm Central United States 22 2012 June 2012 North American derecho Derecho Midwestern United States , Mid-Atlantic United States 22 2014 February 2014 nor'easter Winter storm Eastern United States 22 2015 Hurricane Linda (2015) Tropical cyclone Utah , California 22 2017 Tornado outbreak of January 21–23, 2017 Tornado outbreak Southeastern United States , Northeastern United States $1,300,000,000 (2017) Including two non-tornadic deaths 22 2018 January 2018 North American blizzard Blizzard Eastern United States 22 2022 Robb Elementary School shooting Mass shooting – school shooting Uvalde, Texas Including the perpetrator 22 2023 2022–2023 California floods Flood , winter storm California 21+ 1889 Alaskan (sidewheeler) Accident – shipwreck Oregon 21 [68] 1846 1846 Grenada, Mississippi tornado Tornado Yalobusha County, Mississippi 21 [69] 1887 Old Southern Hotel fire Fire (building) St. Louis, Missouri 21 1903 1903 East Paris train wreck Accident – railroad Kentwood, Michigan 21 1905 20th Century Limited derailment Accident – railroad Mentor, Ohio 21 1910 Los Angeles Times bombing Bombing Los Angeles, California 21 1910 Chicago Union Stock Yards fire Fire , structural failure Chicago, Illinois 21 1915 USS F-4 Accident – shipwreck Off Honolulu, Hawaii 21 1915 St. Johns School fire Fire (building) Peabody, Massachusetts Schoolgirls trapped behind exit door; resulted in first city law requiring that exit doors open outward 21 1919 Great Molasses Flood Accident – explosion Boston, Massachusetts $6,600,000,000 Damages are out-of-court settlements only; repairs took 133 man-months 21 1953 1953 New York Central Railroad accident Accident – railroad Conneaut, Ohio 21 1957 Early-April 1957 tornado outbreak sequence Tornado outbreak sequence Central United States , Eastern United States $9,500,000 21 1959 Arkansas Negro Boys' Industrial School Fire (building) Wrightsville, Arkansas 21 1968 Los Angeles Airways Flight 417 Accident – aircraft Compton, California 21 1983 Hurricane Alicia Tropical cyclone Texas 21 [70] 1986 Walker River bus crash Accident – tour bus Walker, California 21 1987 February 1987 nor'easter Winter storm , shipwrecks Mid-Atlantic United States 18 deaths on MV Balsa 24 , and 3 deaths on the Delores Marie 21 1989 Alton, Texas bus crash Motor vehicle accident Alton, Texas 21 1991 Andover tornado outbreak Tornado outbreak Great Plains $250,000,000 Including one tornado which killed 17 people near Andover, Kansas 21 2003 Air Midwest Flight 5481 Accident – aircraft Charlotte, North Carolina 21 2003 2003 E2 nightclub stampede Stampede Chicago, Illinois 21 2007 2007 Groundhog Day tornado outbreak Tornado outbreak Central Florida $218,000,000 21 2007 Tropical Storm Erin (2007) Tropical cyclone Texas , Oklahoma , Missouri 21 2008 Tropical Storm Fay (2008) Tropical cyclone Puerto Rico , Southeastern United States 21 2009 2009 North American Christmas blizzard Winter storm Midwest , Great Plains , Eastern United States 21 2014 Early 2014 North American cold wave Cold wave Central United States , Eastern United States 21–23 2018 2018 Southern California mudflows Debris flow Southern California 163 injured. 65 residences destroyed, 462 residences damaged, 8 commercial buildings destroyed, 20 commercial buildings damaged 20 1860 USCS Robert J. Walker (1844) Accident – shipwreck Off New Jersey 20 1872 Great Boston fire of 1872 Fire (urban conflagration) Boston, Massachusetts $73,500,000 20 1874 Chicago Fire of 1874 Fire (urban conflagration) Chicago, Illinois 20+ 1881 Tornado outbreak of June 1881 Tornado outbreak West North Central States 20 1882 SS Escambia Accident – shipwreck San Francisco , California 20 1890 1890 Quincy train wreck Accident – railroad Quincy, Massachusetts 20-24 1907 Standard Steel Car Company mill explosion Accident - Explosion Butler, Pennsylvania $100,000 (1907) [ citation needed ] 20 1907 Woodlawn derailment Accident – railroad Woodlawn , The Bronx , New York City The day after the New York Central Railroad inaugurated electrical train service in New York City and suburban Westchester County , an electric engine (which had a higher center of mass than the old steam engines) jumped the tracks on a curve leading into Woodlawn station. Wreckage was strewn over a mile (1.6 km) with 20 dead and 150 injured. 20 1916 SS S.R. Kirby Accident – shipwreck Off Eagle Harbor, Michigan 20 1916 1916 Texas hurricane Tropical cyclone Texas 20 1924 1924 Nixon Nitration Works disaster Accident – explosion Nixon, New Jersey 20 1928 Preble Box Toe Company explosion Accident – explosion Lynn, Massachusetts 20 1943 American Airlines Flight 63 (Flagship Ohio) Accident – aircraft Allen County, Kentucky 20 1948 1948 Donora smog Smog Donora, Pennsylvania 20 1957 Northeast Airlines Flight 823 Accident – aircraft Queens, New York 20 1968 Allegheny Airlines Flight 736 Accident – aircraft Bradford, Pennsylvania 20+ 1969 December 1969 nor'easter Winter storm Northeastern United States 20 [71] 1976 Pathfinder Hotel explosion Accident - explosion Fremont, Nebraska 20 1978 Coates House Hotel Fire (building) Kansas City, Missouri 20 [72] 1999 Jasper, Arkansas bus crash Accident – tour bus New Orleans, Louisiana Plunged over embankment, carrying senior citizens from casino[ citation needed ] 20 2005 Ethan Allen boating accident Accident – shipwreck Lake George (New York) Overloaded tour boat capsized from another boat's wake. 20 2005 Chalk's Ocean Airways Flight 101 Accident – aircraft Off Miami Beach, Florida 20 2008 Tornado outbreak sequence of June 3–11, 2008 Tornado outbreak sequence , flood Central United States , Eastern United States $146,900,000 7 tornado deaths, 13 from other events (see also June 2008 Midwest floods ) 20 2010 June 2010 Arkansas floods Flood Albert Pike Recreation Area near Langley, Arkansas 20 2011 2011 Mississippi River floods Flood Mississippi River Valley 20 2017 Tornado outbreak and floods of April 28 – May 1, 2017 Tornado outbreak , flood High Plains , Western United States (Rocky Mountains ), Ohio Valley , Upper Midwest , Southeastern United States 5 deaths from tornadoes, 15 from other causes 20 2018 Schoharie limousine crash Motor vehicle accident Schoharie, New York Stretch limo ran a stop sign on a three-way intersection, killing all 18 inside and two people in a parking lot 20 2021 2021 Tennessee floods Flood Middle Tennessee 19+ 2020 George Floyd protests Riot Minneapolis, Minnesota , Various cities in the United States ~$1,500,000,000 - $2,500,000,000 Widespread protests and riots across the United States after the murder of George Floyd . Amid clashes with law enforcement and widespread looting, many criminals were emboldened. At least 12 people were fatally shot, while two others were killed by vehicles. [73] 19 1863 CSS Chattahoochee Accident – shipwreck Apalachicola River 19 [74] 1871 Los Angeles Chinese massacre of 1871 Mass racial violence Old Chinatown, Los Angeles , California 19 1878 Wollaston disaster Accident – railroad Quincy, Massachusetts 19 1888 SS City of Chester Accident – shipwreck Golden Gate , California 19 1897 Garrison train crash Accident – railroad Garrison, New York 19 1908 Great Chelsea fire of 1908 Fire (urban conflagration) Chelsea, Massachusetts 19 1917 USS F-1 Accident – shipwreck Off Point Loma, San Diego, California 19 [36] 1926 Picatinny Arsenal fire Accident – lightning strike Morris County, New Jersey 19 1943 Pan Am Flight 1104 Accident – aircraft Mendocino County, California 19 1943 1943 Surprise Hurricane Tropical cyclone Louisiana , Texas 19 1944 Long Creek air disaster Accident – aircraft South Portland, Maine 19 1944 US Army C-47 crash Accident – aircraft Mount Deception (Alaska) 19 1950 1950 Fairfield-Suisun Boeing B-29 crash Accident – aircraft Fairfield-Suisun Air Force Base , California 19 1953 BCPA Flight 304 Accident – aircraft Near Woodside, California 19 1956 McKee refinery fire Fire (industrial) Near Sunray, Texas 19 1957 Tornado outbreak sequence of December 18–20, 1957 Tornado outbreak sequence Midwestern United States , Southern United States 19 1962 Tornado outbreak of March 30–31, 1962 Tornado outbreak Southeastern United States $3,380,000 Including 17 deaths from a single tornado in Milton, Florida and two lightning deaths 19 1964 Christmas flood of 1964 Flood Pacific Northwest 19 1969 Prinair Flight 277 Accident – aircraft Fajardo, Puerto Rico 19 1970 Tropical Depression Fifteen (1970) Tropical cyclone Puerto Rico , U.S. Virgin Islands 19 1974 1974 Blythe, California bus crash Accident – bus Ripley, California 19 1992 December 1992 nor'easter Winter storm Northeastern United States 19 1996 Hurricane Hortense Tropical cyclone Puerto Rico 19 2000 2000 Marana V-22 crash Accident – aircraft Near Tucson, Arizona 19 2000 2000 East Coast Aviation Services British Aerospace Jetstream crash Accident – aircraft Wilkes-Barre, Pennsylvania 19 2000 USS Cole bombing Terrorism Aden, Yemen Including the two perpetrators 19 2013 Yarnell Hill Fire Wildfire Yarnell, Arizona 19 firefighters were killed when they became trapped in the fast-spreading fire. 19 2023 2023 Lewiston shootings Mass shooting Lewiston, Maine Including the perpetrator 18 [75] 1878 Great Mill Disaster Accident - grain dust explosion Minneapolis, Minnesota 18 1887 Accident - mine explosion Savanna, Oklahoma (then Choctaw Nation in Indian Territory) Explosions in Savanna Coal Mining and Trading Company Mines #1 and #2 killed 6 miners and 12 rescuers. [76] 18 1892 SS W.H. Gilcher Accident – shipwreck Lake Michigan 18 1911 Indianola train wreck Accident – railroad Indianola, Nebraska 18 1928 1928 Times Square derailment Accident – railroad New York City, New York 18 1947 Eastern Air Lines Flight 665 Accident – aircraft Galax, Virginia 18 1947 Pan Am Flight 923 Accident – aircraft Annette Island , Alaska Territory 18 1960 1960 Texas tropical storm Tropical cyclone Texas , Arkansas 18 1961 United Airlines Flight 859 Accident – aircraft Denver, Colorado 18 1966 Tornado outbreak sequence of June 1966 Tornado outbreak sequence Southern United States , Midwestern United States , Great Plains $250,603,000 Including 16 deaths from a single tornado in Topeka, Kansas 18 1966 University of Texas massacre Mass murder – school shooting Austin, Texas Including the perpetrator and an unborn child 18 1966 West Coast Airlines Flight 956 Accident – aircraft Clackamas County, Oregon 18 1993 Northwest Airlink Flight 5719 Accident – aircraft Hibbing, Minnesota 18 2000 Tornado outbreak of February 13–14, 2000 Tornado outbreak Southeastern United States 18 2001 2001 Avjet Gulfstream III crash Accident – aircraft Pitkin County, Colorado 18 2006 Hanukkah Eve windstorm of 2006 Extratropical cyclone Washington , Oregon 18 2007 2007 Midwest flooding Flood Midwestern United States 18 2011 Tropical Storm Lee (2011) Tropical cyclone Gulf Coast of the United States , Eastern United States 18 2013 Early February 2013 North American blizzard Blizzard Eastern United States 18 2015 Tornado outbreak of December 23–25, 2015 Tornado outbreak Mississippi , Tennessee , Indiana , Illinois , Alabama $1,606,000,000 (2020) Including five non-tornadic deaths 17–20 1861 Platte Bridge Railroad Tragedy Accident – railroad St. Joseph, Missouri 17 1898 SS L.R. Doty Accident – shipwreck Lake Michigan 17 1903 Purdue Wreck Accident – railroad Indianapolis, Indiana 17 1905 Baker Bridge train wreck Accident – railroad Lincoln, Massachusetts 17 1910 Morewood Lake Ice Company explosion Accident – explosion Pittsfield, Massachusetts 17 1919 SS Myron Accident – shipwreck Lake Superior 17–35+ 1923 Allen Street Bridge disaster Accident – collapse Cowlitz River , Washington Fatalities estimated 17 1936 American Airlines Flight 1 (1936) Accident – aircraft Near Goodwin, Arkansas 17 1944 USS YF-415 Accident – shipwreck Hingham, Massachusetts Including one person who died of his injuries after being rescued 17 1947 O'Connor Plating Works disaster Accident – explosion Los Angeles, California 17 1950 Hurricane Dog (1950) Tropical cyclone East Coast of the United States Including three deaths in a car accident in Bel Air, Maryland , two drowning deaths in Lexington, Virginia , and 12 deaths in New England 17 1951 Great Flood of 1951 Flood Kansas , Missouri 17 1951 Hurricane How Tropical cyclone , shipwreck Cape Hatteras , North Carolina 17 people were killed in the wreck of the Southern Isle 17 1953 SS Henry Steinbrenner Accident – shipwreck Lake Superior 17 1954 Hurricane Alice (June 1954) Tropical cyclone Texas 17 1962 United Airlines Flight 297 Accident – aircraft Near Ellicott City, Maryland 17 1965 Pipeline explosion and fire Accidents – pipeline accidents Natchitoches, Louisiana [77] 17 1965 Early May 1965 tornado outbreak Tornado outbreak Great Plains , Midwestern United States $51,000,000 17 1968 USCGC White Alder (WLM-541) Accident – shipwreck Mississippi River , near White Castle, Louisiana 17 1972 Mohawk Airlines Flight 405 Accident – aircraft Albany, New York 17 1979 Downeast Flight 46 Accident – aircraft Rockland, Maine 17 1984 1984 Romeoville petroleum refinery disaster Accident – explosion Romeoville, Illinois 17 1990 1990 ARCO explosion Accident – explosion Channelview, Texas 17 1991 Interstate 5 dust storm accident Accident – automobile Coalinga, California 17 2002 Beltway sniper attacks Mass murder serial killings Washington metropolitan area 3 injured in the Beltway sniper attacks and 7 in preliminary shootings 17 2004 December 21–24, 2004 North American winter storm Winter storm South Central United States , Ohio Valley Additional death in Canada 17 2005 Los Angeles County flood of 2005 Flood Los Angeles County, California Including 10 deaths in the La Conchita landslide 17 2008 Early Spring 2008 Midwest floods Flood Central United States 17 2008 Sherman, Texas bus accident Accident – bus Sherman, Texas 17 2018 Stoneman Douglas High School shooting School shooting Parkland, Florida Former student Nikolas Cruz, was dropped off by an Uber car to Stoneman Douglas High School, shot and killed 14 students and 3 staff members, left the scene and was later arrested in Coral Springs . 17 2018 Table Rock Lake duck boat accident Accident – shipwreck Branson, Missouri 17 2022 2022 Bronx apartment fire Fire (building) The Bronx , New York City , New York 16 1804 1804 New England hurricane Tropical cyclone New England 16 1833 Lioness (steamship) Accident – explosion , shipwreck Near Colfax, Louisiana 16 1862 USS Monitor Accident – shipwreck Off Cape Hatteras , North Carolina 16 1890 1890 Wilkes-Barre tornado Tornado Wilkes-Barre, Pennsylvania 16 1905 SS Kaliyuga Accident – shipwreck Lake Huron 16–20 1914 SS Benjamin Noble Accident – shipwreck Near Knife River, Minnesota 16 1926 La Plata tornado of 1926 Tornado La Plata, Maryland 13 killed in La Plata Elementary School 16 1947 Great Fires of 1947 Wildfires Maine 16 1955 TWA Flight 260 Accident – aircraft Bernalillo County, New Mexico 16 1956 Hurricane Betsy (1956) Tropical cyclone Puerto Rico 16 1956 Lariat Cafe explosion Accident – explosion Monticello, Utah 16 1967 Hurricane Beulah Tropical cyclone Puerto Rico , Texas 16 1970 Laguna Fire Wildfire Laguna Mountains , California 16 1978 Waverly, Tennessee, tank car explosion Accident – railroad Waverly, Tennessee An additional 43 injured 16 1978 1978 Whippoorwill tornado Tornado , shipwreck Pomona Lake , Kansas Tornado struck a tourist boat, causing it to capsize 16 1987 1987 Maryland train collision Accident – railroad Chase, Maryland 16 1987 The Dover massacre Mass murder spree killer Dover, Arkansas – Russellville, Arkansas 16 1991 Hurricane Bob Tropical cyclone East Coast of the United States 16 2006 2006 Mid-Atlantic United States flood Flood Mid-Atlantic United States 16 2012 Late December 2012 North American storm complex Tornado outbreak , blizzard Alaska , Contiguous United States $150,000,000 16 2015 2015 Texas–Oklahoma flood and tornado outbreak Tornado outbreak , flood Great Plains , Southern United States Additional 14 deaths occurred in Mexico 16 2015 2015 San Bernardino attack Terrorism San Bernardino, California An additional 24 injured 16 2016 2016 Lockhart hot air balloon crash Accident – hot air balloon Lockhart, Texas Deadliest ballooning disaster in U.S. history 16–19 2017 March 2017 North American blizzard Blizzard Northeastern United States , Upper Midwest , Great Plains 16 2017 2017 United States Marine Corps KC-130 crash Accident – aircraft Leflore County, Mississippi 16 2020 North Complex fire Wildfire Plumas National Forest , California 16 2021 Tornado outbreak sequence of March 24–28, 2021 Tornado outbreak sequence Southeastern United States $3,200,000,000 Including one indirect and eight non-tornadic deaths 15 1815 1815 North Carolina hurricane Tropical cyclone North Carolina 15 1881 City of Muskegon Accident – shipwreck Lake Michigan 15 1883 1883 Tehachapi train wreck Accident – railroad Tehachapi, California 15 [78] 1892 Mare Island Naval Yard explosion Accident – explosion Vallejo, California 15 sailors from USS Boston (1884) killed in black-powder explosion 15 1902 Park Avenue main line Accident – railroad New York City, New York 15 1917 1917 Nueva Gerona hurricane Tropical cyclone Louisiana , Florida 10 in Louisiana, 5 in Florida 15 1936 MV Material Service Accident – shipwreck Lake Michigan 15 1937 Blackwater Fire of 1937 Wildfire Shoshone National Forest , Wyoming 15 1948 1948 Columbia River flood Flood Vanport, Oregon 15 1950 Northwest Orient Airlines Flight 307 Accident – aircraft Minneapolis , Minnesota 15 1953 Rattlesnake Fire Wildfire Mendocino National Forest , California 15 1954 Cleveland Hill Middle School fire Fire (building) Cheektowaga, New York 15 1955 1955 Cincinnati mid-air collision Accident – aircraft Boone County, Kentucky 15 1956 Hurricane Flossy (1956) Tropical cyclone Gulf Coast of the United States , East Coast of the United States 15 1958 Westover Air Force Base KC-135 crash Accident – aircraft Chicopee, Massachusetts 15 1969 Scandinavian Airlines System Flight 933 Accident – aircraft Santa Monica Bay , near Los Angeles, California 15 1969 Tornado outbreak of August 6, 1969 Tornado outbreak Minnesota , Nebraska $4,270,000 15 1984 Beverly rooming house fire Arson Beverly, Massachusetts 15 1986 Edmond post office shooting Mass murder Edmond, Oklahoma 14 victims and 1 perpetrator 15 1994 Flagship Airlines Flight 3379 Accident – aircraft Morrisville, North Carolina 15 1999 Columbine High School massacre Mass murder – school shooting Jefferson County, Colorado Armed with 2 sawed-off shotguns , a TEC-9 pistol and a carbine , Eric Harris and Dylan Klebold entered their school in Littleton and opened fire at the students and staff, killing 12 students, 1 teacher and then killing themselves. 15 2003 Cedar Fire Wildfire San Diego County, California Burned 273,246 acres and 2,820 structures 15 2005 Texas City refinery explosion Accident – explosion Texas City, Texas 15 2005 Hurricane Dennis Tropical cyclone Florida , Alabama , Mississippi 15 2009 Tornado outbreak of February 10–11, 2009 Tornado outbreak Central United States , Eastern United States $18,100,000 Including seven non-tornadic deaths 15 2011 World Wide Tours bus crash Accident – tour bus Bronx, New York En route to Connecticut casino, March 12 15 2012 2012 Leap Day tornado outbreak Tornado outbreak Great Plains , Ohio Valley $475,000,000 15 2013 West Fertilizer Company explosion Accident – explosion West, Texas More than 160 people were injured. Several years later, investigators concluded that the fire that preceded the explosion had been deliberately set . 15 2020 Hurricane Isaias Tropical cyclone East Coast of the United States , Puerto Rico 15 2023 February 2023 North American storm complex Winter storm , tornado outbreak East Coast of the United States , Puerto Rico Western , Southern and Midwestern United States 
