List of earthquakes in 1928

Last updated

Earthquakes in 1928
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Approximate epicenters of the earthquakes in 1928
Strongest magnitudeFlag of Mexico (1916-1934).svg  Mexico, Oaxaca, (Magnitude 8.0) June 17
DeadliestFlag of Chile.svg  Chile Maule Region, (Magnitude 7.7) December 1, 279 deaths
Total fatalities807
Number by magnitude
9.0+0
←  1927
1929  →

This is a list of earthquakes in 1928. Only magnitude 6.0 or greater earthquakes appear on the list. Lower magnitude events are included if they have caused death, injury or damage. Events which occurred in remote areas will be excluded from the list as they wouldn't have generated significant media interest. All dates are listed according to UTC time. It was an active year with several events leading to deaths. Worst affected were Chile, Turkey, Bulgaria and the Philippines. Oaxaca, Mexico and Puno Region, Peru sustained several large earthquakes with the former seeing four reaching above magnitude 7.0. In spite of a series of earthquakes, only four deaths were caused in Mexico during the year.

Contents

Overall

By death toll

RankDeath tollMagnitudeLocation MMI Depth (km)Date
12797.7Flag of Chile.svg  Chile, Maule Region IX (Violent) 35.0December 1
21706.4 Ottoman flag.svg Turkey, Izmir Province IX (Violent) 10.0March 31
31277.1Flag of Bulgaria.svg  Bulgaria, Stara Zagora Province and Plovdiv Province XI (Extreme) 15.0April 14, April 18
4977.4Flag of the Philippines (1919-1936).svg  Philippines, Mindanao VII (Very strong) 25.0December 19
5516.0Flag of Italy (1861-1946).svg  Italy, off the west coast of Calabria ( ) 120.0March 7
6297.3Flag of Peru.svg  Peru, Amazonas Region X (Extreme) 120.0May 14
7206.0 Flag of Greece (1828-1978).svg Greece, Peloponnese (region) IX (Violent) 29.0April 22
= 8106.7Flag of Peru.svg  Peru, Puno Region IX (Violent) 25.0April 9
= 8105.4 State flag of Persia (1907-1933).svg Iran, North Khorasan Province VIII (Severe) 9.0August 21

By magnitude

RankMagnitudeDeath tollLocation MMI Depth (km)Date
18.04Flag of Mexico (1916-1934).svg  Mexico, Oaxaca ( ) 20.0June 17
= 27.70southern Indian Ocean ( ) 15.0March 9
= 27.7279Flag of Chile.svg  Chile, Maule Region IX (Violent) 35.0December 1
= 37.60Flag of France.svg  France, southeast of the Loyalty Islands ( ) 10.0March 16
= 37.60Flag of Mexico (1916-1934).svg  Mexico, Oaxaca ( ) 15.0March 22
47.50Flag of Mexico (1916-1934).svg  Mexico, Oaxaca ( ) 25.0October 9
57.497Flag of the Philippines (1919-1936).svg  Philippines, Mindanao VII (Very strong) 25.0December 19
67.329Flag of Peru.svg  Peru, Amazonas Region X (Extreme) 120.0May 14
77.20Flag of Mexico (1916-1934).svg  Mexico, off the coast of Oaxaca ( ) 20.0August 4
= 87.1127Flag of Bulgaria.svg  Bulgaria, Stara Zagora Province X (Extreme) 10.0April 14
= 87.1127Flag of Bulgaria.svg  Bulgaria, Plovdiv Province XI (Extreme) 15.0April 18
= 87.10Flag of Japan (1870-1999).svg  Japan, off the east coast of Honshu ( ) 35.0May 27
= 87.10Flag of the British New Hebrides (1906-1952).svg  New Hebrides, east of( ) 15.0June 29
= 97.00 Flag of Kenya (1921-1963).svg British Kenya, Baringo County ( ) 15.0January 6
= 97.00Flag of Japan (1870-1999).svg  Japan, Izu Islands ( ) 433.9March 29
= 97.00Flag of Peru.svg  Peru, Cajamarca Region VI (Strong) 120.0July 18
= 97.00Flag of the British New Hebrides (1906-1952).svg  New Hebrides ( ) 190.0August 24
= 97.00Flag of Chile.svg  Chile, off the coast of Maule Region ( ) 30.0December 2
= 97.00Flag of the Netherlands.svg  Dutch East Indies, off the south coast of Papua (province) ( ) 15.0December 7

Notable events

January

January
Strongest magnitude7.0 Mw Flag of Kenya (1921-1963).svg British Kenya
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.94
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
1 [1] Flag of the Russian Soviet Federative Socialist Republic (1937-1954).svg Russian SFSR, Sea of Okhotsk 6.5530.0
5 [2] Bandera de Bolivia (Estado).svg  Bolivia, Santa Cruz Department, Bolivia 6.8540.0
6 [3] Flag of Kenya (1921-1963).svg British Kenya, Baringo County 7.015.0
10 [4] Flag of Kenya (1921-1963).svg British Kenya, Uasin Gishu County 6.210.0Aftershock.
12 [5] Flag of Chile.svg  Chile, Coquimbo Region 6.330.0

February

February
Strongest magnitude6.6 Mw Flag of the Russian Soviet Federative Socialist Republic (1918-1925).svg Russian SFSR
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.94
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
3 [6] Flag of the Russian Soviet Federative Socialist Republic (1918-1925).svg Russian SFSR, Sakha Republic 6.235.0
10 [7] [8] Flag of Mexico (1916-1934).svg  Mexico, Puebla 6.5100.0Fairly heavy damage was reported.
21 [9] Flag of the Russian Soviet Federative Socialist Republic (1918-1925).svg Russian SFSR, Chukchi Sea 6.610.0
26 [10] Flag of the Russian Soviet Federative Socialist Republic (1918-1925).svg Russian SFSR, Chukchi Sea 6.510.0

March

March
Strongest magnitude7.7 Mw southern Indian Ocean
Deadliest6.4 Mw Ottoman flag.svg Turkey
170 deaths
Total fatalities225+
Number by magnitude
8.0–8.90
7.0–7.94
6.0–6.95
5.0–5.92
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
7 [11] [12] Flag of Italy (1861-1946).svg  Italy, off the west coast of Calabria 6.0120.0At least 51 deaths were caused as well as some damage.51+
7 [13] Flag of China (1912-1928).svg  China, Gansu Province 6.215.0
8 [14] State flag of Persia (1907-1933).svg Iran, South Khorasan Province 5.00.04 deaths were reported as well as some damage. The depth was unknown.4
9 [15] southern Indian Ocean 7.715.0
13 [16] Flag of the Territory of New Guinea.svg  New Guinea, southeast of New Ireland (island) 6.575.0
16 [17] Flag of France.svg  France, southeast of the Loyalty Islands 7.610.0
22 [18] Flag of Mexico (1916-1934).svg  Mexico, Oaxaca 7.615.0
26 [19] Flag of the Netherlands.svg  Dutch East Indies, Molucca Sea 6.235.0
27 [20] Flag of Italy (1861-1946).svg  Italy, Friuli-Venezia Giulia 5.833.0IX 40 people were injured and many homes were destroyed.40
29 [21] Flag of Japan (1870-1999).svg  Japan, Izu Islands 7.0405.0
31 [22] [23] Ottoman flag.svg Turkey, Izmir Province 6.410.0IX 170 deaths were reported and a further 700 people were hurt. 2,600 homes collapsed and many were damaged.170700

April

April
Strongest magnitude7.1 Mw Flag of Bulgaria.svg  Bulgaria 2 events
Deadliest7.1 Mw Flag of Bulgaria.svg  Bulgaria
127 deaths
Total fatalities157
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.95
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
9 [24] [25] [26] Flag of Peru (1825-1884).svg  Peru, Puno Region 6.725.0IX The main destruction was caused by a flood. Landslides blocked a river and the ensuing flooding led to 10 deaths and many homes being destroyed.10
14 [27] [28] Flag of Bulgaria.svg  Bulgaria, Stara Zagora Province 7.110.0X The 1928 Chirpan–Plovdiv earthquakes caused major destruction. These events are an example of a doublet earthquake. The effects of both events are listed here. 127 people were killed and 1,735 were injured. 74,750 homes were destroyed.1271,735
17 [29] Flag of Mexico (1916-1934).svg  Mexico, Veracruz 6.535.0
18 [30] [31] Flag of Bulgaria.svg  Bulgaria, Plovdiv Province 7.115.0XI The fatalities and damages from this event are included in the previous event.
22 [32] Flag of the Russian Soviet Federative Socialist Republic (1918-1925).svg Russian SFSR, Sea of Okhotsk 6.5350.0
22 [33] Flag of Greece (1828-1978).svg Greece, Peloponnese (region) 6.029.0IX 20 people were killed and 3,000 homes were destroyed.20
27 [34] [35] Flag of Peru (1825-1884).svg  Peru, Puno Region 6.525.0V

May

May
Strongest magnitude7.3 Mw Flag of Peru (1825-1884).svg  Peru
Deadliest7.3 Mw Flag of Peru (1825-1884).svg  Peru
29 deaths
Total fatalities29
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.92
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
8 [36] Flag of the Russian Soviet Federative Socialist Republic (1918-1925).svg Russian SFSR, Sea of Okhotsk 6.5570.0
14 [37] [38] Flag of Peru (1825-1884).svg  Peru, Amazonas Region 7.3120.0X 29 people were killed in the 1928 Chachapoyas earthquake. Property damage costs were $8 million (1928 rate).29
26 [39] Flag of Chile.svg  Chile, Antofagasta Region 6.2130.0
27 [40] Flag of Japan (1870-1999).svg  Japan, off the east coast of Honshu 7.235.0

June

June
Strongest magnitude8.0 Mw Flag of Mexico (1916-1934).svg  Mexico
Deadliest8.0 Mw Flag of Mexico (1916-1934).svg  Mexico
4 deaths
Total fatalities4
Number by magnitude
8.0–8.91
7.0–7.91
6.0–6.98
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
1 [41] Flag of Japan (1870-1999).svg  Japan, off the east coast of Honshu 6.320.0Aftershock.
3 [42] Flag of Japan (1870-1999).svg  Japan, west of Kyushu 6.310.0
7 [43] Flag of China (1912-1928).svg  China, Heilongjiang Province 6.0430.0
15 [44] [45] [46] Flag of the Philippines (1919-1936).svg  Philippines, Mindoro 6.925.0VIII Some homes were destroyed. A tsunami washed away a rail line.
15 [47] Flag of the Philippines (1919-1936).svg  Philippines, Mindoro 6.715.0Aftershock.
17 [48] [49] [50] Flag of Mexico (1916-1934).svg  Mexico, Oaxaca 8.020.04 people were killed and some damage was reported. A tsunami was generated.4
21 [51] Flag of Fiji (1924-1970).svg Fiji 6.715.0
21 [52] Flag of the United States (1912-1959).svg  United States, southern Alaska 6.815.0
24 [53] Flag of Afghanistan (1928).svg Afghanistan, Badakhshan Province 6.5120.0
29 [54] Flag of the British New Hebrides (1906-1952).svg  New Hebrides, east of7.115.0

July

July
Strongest magnitude7.0 Mw Flag of Peru (1825-1884).svg  Peru
Deadliest5.8 Mw Flag of China (1912-1928).svg  China
6 deaths
Total fatalities6
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.93
5.0–5.91
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
1 [55] Flag of the Solomon Islands (1906-1947).svg British Solomon Islands, south coast of Guadalcanal 6.515.0
18 [56] [57] Flag of Peru (1825-1884).svg  Peru, Cajamarca Region 7.0120.0VI
19 [58] Flag of China (1912-1928).svg  China, Sichuan Province 5.80.0VII 6 people were killed and 10 were injured. Some homes were destroyed.610
27 [59] Flag of the Netherlands.svg  Dutch East Indies, north of Sumatra 6.0100.0
28 [60] Flag of Chile.svg  Chile, Coquimbo Region 6.550.0

August

August
Strongest magnitude7.2 Mw Flag of Mexico (1916-1934).svg  Mexico
Deadliest5.4 Mw State flag of Persia (1907-1933).svg Iran
10 deaths
Total fatalities10
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.94
5.0–5.91
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
4 [61] Flag of Mexico (1916-1934).svg  Mexico, off the coast of Oaxaca 7.220.0
5 [62] Flag of the Philippines (1919-1936).svg  Philippines, west of Luzon 6.235.0
10 [63] Flag of Afghanistan (1928-1929).svg  Afghanistan, Badakhshan Province 6.8255.0
12 [64] Flag of the Netherlands.svg  Dutch East Indies, northwest of Halmahera 6.315.0
15 [65] Flag of Argentina.svg  Argentina, Santiago del Estero Province 6.5620.0
21 [66] State flag of Persia (1907-1933).svg Iran, North Khorasan Province 5.49.0VIII 10 people were killed and some damage was reported.10
24 [67] Flag of the British New Hebrides (1906-1952).svg  New Hebrides 7.0190.0

September

September
Strongest magnitude6.8 Mw 2 events
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.97
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
1 [68] British Raj Red Ensign.svg Pakistan, Punjab, Pakistan 6.535.0
7 [69] Flag of the Territory of New Guinea.svg  New Guinea, Umboi Island 6.215.0
13 [70] Flag of the Netherlands.svg  Dutch East Indies, Molucca Sea 6.535.0
21 [71] Flag of Peru (1825-1884).svg  Peru, Puno Region 6.8225.0
22 [72] Flag of the Solomon Islands (1906-1947).svg British Solomon Islands, Santa Cruz Islands 6.815.0
25 [73] Flag of Japan (1870-1999).svg  Japan, Bungo Channel 6.0120.0
27 [74] Windward Islands 6.535.0

October

October
Strongest magnitude7.5 Mw Flag of Mexico (1916-1934).svg  Mexico
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.93
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
4 [75] Flag of Ethiopia (1897-1974).svg Ethiopian Empire, SNNPR 6.035.0
9 [76] Flag of Mexico (1916-1934).svg  Mexico, Oaxaca 7.525.0
15 [77] British Raj Red Ensign.svg Pakistan, Baluchistan, Pakistan 6.835.0
25 [78] Flag of Nicaragua.svg  Nicaragua, off the west coast6.530.0

November

November
Strongest magnitude6.9 Mw Flag of the Netherlands.svg  Dutch East Indies
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.95
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
1 [79] Flag of Mexico (1916-1934).svg  Mexico, Chihuahua (state) 6.410.0
6 [80] Flag of the British New Hebrides (1906-1952).svg  New Hebrides 6.755.0
14 [81] British Raj Red Ensign.svg Pakistan, Khyber Pakhtunkhwa 6.0110.0
20 [82] Flag of Chile.svg  Chile, Antofagasta Region 6.845.0
28 [83] Flag of the Netherlands.svg  Dutch East Indies, Flores 6.920.0

December

December
Strongest magnitude7.7 Mw Flag of Chile.svg  Chile
Deadliest7.7 Mw Flag of Chile.svg  Chile
279 deaths
Total fatalities376
Number by magnitude
8.0–8.90
7.0–7.94
6.0–6.94
DateCountry and locationMwDepth (km) MMI NotesCasualties
DeadInjured
1 [84] [85] Flag of Chile.svg  Chile, Maule Region 7.735.0IX The 1928 Talca earthquake caused 279 deaths. Many homes were destroyed.279
2 [86] Flag of Chile.svg  Chile, off the coast of Maule Region 7.030.0Aftershock.
7 [87] Flag of the Netherlands.svg  Dutch East Indies, off the south coast of Papua (province) 7.015.0
9 [88] Flag of the Solomon Islands (1906-1947).svg British Solomon Islands 6.715.0
10 [89] Flag of the Netherlands.svg  Dutch East Indies, northern Sumatra 6.035.0
12 [90] Flag of New Zealand.svg  New Zealand, Kermadec Islands 6.830.0
19 [91] [92] [93] Flag of the Philippines (1919-1936).svg  Philippines, Mindanao 7.425.0VII 97 people were killed due to the effects of the earthquake and a tsunami. 102 people were injured. Many homes collapsed.97102
28 [94] Flag of the Philippines (1919-1936).svg  Philippines, Mindanao 6.715.0This occurred in a separate part of the island from the previous event. This is an example of remotely triggered earthquakes.

References

  1. ↑ "On-Line Bulletin". International Seismological Centre. January 1, 1928. Retrieved February 22, 2016.
  2. ↑ "On-Line Bulletin". International Seismological Centre. January 5, 1928. Retrieved February 22, 2016.
  3. ↑ "M 7.0 - Kenya". United States Geological Survey. January 6, 1928. Retrieved February 22, 2016.
  4. ↑ "M 6.2 - Kenya". United States Geological Survey. January 10, 1928. Retrieved February 22, 2016.
  5. ↑ "M 6.3 - offshore Coquimbo, Chile". United States Geological Survey. January 12, 1928. Retrieved February 22, 2016.
  6. ↑ "On-Line Bulletin". International Seismological Centre. February 3, 1928. Retrieved February 24, 2016.
  7. ↑ "On-Line Bulletin". International Seismological Centre. February 10, 1928. Retrieved February 24, 2016.
  8. ↑ "Significant Earthquake: MEXICO: OAXACA,COLIMA,PUEBLA,GUERRERO,MORELOS". National Geophysical Data Center. February 10, 1928. Retrieved February 24, 2016.
  9. ↑ "M 6.6 - near the north coast of Chukotskiy Avtonomnyy Okrug, Russia". United States Geological Survey. February 21, 1928. Retrieved February 24, 2016.
  10. ↑ "M 6.5 - near the north coast of Chukotskiy Avtonomnyy Okrug, Russia". United States Geological Survey. February 26, 1928. Retrieved February 24, 2016.
  11. ↑ "On-Line Bulletin". International Seismological Centre. March 7, 1928. Retrieved February 24, 2016.
  12. ↑ "Significant Earthquake: ITALY: SICILY,CALABRIA". National Geophysical Data Center. March 7, 1928. Retrieved February 24, 2016.
  13. ↑ "M 6.2 - Gansu-Qinghai border region, China". United States Geological Survey. March 7, 1928. Retrieved February 24, 2016.
  14. ↑ "Significant Earthquake: IRAN: NEHBANDAN". National Geophysical Data Center. March 8, 1928. Retrieved February 24, 2016.
  15. ↑ "M 7.7 - South Indian Ocean". United States Geological Survey. March 9, 1928. Retrieved February 24, 2016.
  16. ↑ "M 6.5 - New Ireland region, Papua New Guinea". United States Geological Survey. March 13, 1928. Retrieved February 24, 2016.
  17. ↑ "M 7.6 - southeast of the Loyalty Islands". United States Geological Survey. March 16, 1928. Retrieved February 24, 2016.
  18. ↑ "M 7.6 - Oaxaca, Mexico". United States Geological Survey. March 22, 1928. Retrieved February 24, 2016.
  19. ↑ "M 6.2 - Molucca Sea". United States Geological Survey. March 26, 1928. Retrieved February 24, 2016.
  20. ↑ "Significant Earthquake: ITALY: TOLMEZZO". National Geophysical Data Center. March 27, 1928. Retrieved March 2, 2019.
  21. ↑ "M 7.0 - Izu Islands, Japan region". United States Geological Survey. March 29, 1928. Retrieved February 24, 2016.
  22. ↑ "M 6.4 - western Turkey". United States Geological Survey. March 31, 1928. Retrieved February 24, 2016.
  23. ↑ "Significant Earthquake: TURKEY: TEPEKOY, TORBALI". National Geophysical Data Center. March 31, 1928. Retrieved February 24, 2016.
  24. ↑ "M 6.7 - central Peru". United States Geological Survey. April 9, 1928. Retrieved February 27, 2016.
  25. ↑ "Significant Earthquake: PERU". National Geophysical Data Center. April 9, 1928. Retrieved February 27, 2016.
  26. ↑ "Tsunami Event: S. PERU". National Geophysical Data Center. April 9, 1928. Retrieved February 27, 2016.
  27. ↑ "M 7.1 - Bulgaria". United States Geological Survey. April 14, 1928. Retrieved February 27, 2016.
  28. ↑ "Significant Earthquake: BULGARIA: CHIRPAN". National Geophysical Data Center. April 14, 1928. Retrieved February 27, 2016.
  29. ↑ "M 6.5 - Veracruz, Mexico". United States Geological Survey. April 17, 1928. Retrieved February 27, 2016.
  30. ↑ "M 7.1 - Bulgaria". United States Geological Survey. April 18, 1928. Retrieved February 27, 2016.
  31. ↑ "Significant Earthquake: BULGARIA: POPOVITSA". National Geophysical Data Center. April 18, 1928. Retrieved February 27, 2016.
  32. ↑ "On-Line Bulletin". International Seismological Centre. April 22, 1928. Retrieved February 27, 2016.
  33. ↑ "Significant Earthquake: GREECE: CORINTH (CORINTHIA)". National Geophysical Data Center. April 22, 1928. Retrieved February 27, 2016.
  34. ↑ "M 6.5 - central Peru". United States Geological Survey. April 27, 1928. Retrieved February 27, 2016.
  35. ↑ "Significant Earthquake: PERU: ESQUILAYA". National Geophysical Data Center. April 27, 1928. Retrieved March 3, 2019.
  36. ↑ "On-Line Bulletin". International Seismological Centre. May 8, 1928. Retrieved February 27, 2016.
  37. ↑ "On-Line Bulletin". International Seismological Centre. May 14, 1928. Retrieved February 27, 2016.
  38. ↑ "Significant Earthquake: PERU: CHACAHPOYAS,HUANCABAMBA,CAJAMARCA,PINPINCOS". National Geophysical Data Center. May 14, 1928. Retrieved February 27, 2016.
  39. ↑ "On-Line Bulletin". International Seismological Centre. May 26, 1928. Retrieved February 27, 2016.
  40. ↑ "M 7.2 - near the east coast of Honshu, Japan". United States Geological Survey. May 27, 1928. Retrieved February 27, 2016.
  41. ↑ "M 6.3 - off the east coast of Honshu, Japan". United States Geological Survey. June 1, 1928. Retrieved March 2, 2016.
  42. ↑ "M 6.3 - northwest of the Ryukyu Islands, Japan". United States Geological Survey. June 3, 1928. Retrieved March 2, 2016.
  43. ↑ "On-Line Bulletin". International Seismological Centre. June 7, 1928. Retrieved March 2, 2016.
  44. ↑ "M 6.9 - Mindoro, Philippines". United States Geological Survey. June 15, 1928. Retrieved March 2, 2016.
  45. ↑ "Significant Earthquake: PHILIPPINES: SW MINDORO". National Geophysical Data Center. June 15, 1928. Retrieved March 2, 2016.
  46. ↑ "Tsunami Event: SULU SEA". National Geophysical Data Center. June 15, 1928. Retrieved March 3, 2019.
  47. ↑ "M 6.7 - Mindoro, Philippines". United States Geological Survey. June 15, 1928. Retrieved March 2, 2016.
  48. ↑ "M 8.0 - 15 km ESE of San Gabriel Mixtepec, Mexico". United States Geological Survey. June 17, 1928. Retrieved March 2, 2016.
  49. ↑ "Significant Earthquake: MEXICO: OAXACA". National Geophysical Data Center. June 17, 1928. Retrieved March 2, 2016.
  50. ↑ "Tsunami Event: S. MEXICO". National Geophysical Data Center. June 17, 1928. Retrieved March 4, 2019.
  51. ↑ "M 6.7 - Fiji region". United States Geological Survey. June 21, 1928. Retrieved March 5, 2016.
  52. ↑ "M 6.8 - Southern Alaska". United States Geological Survey. June 21, 1928. Retrieved March 5, 2016.
  53. ↑ "On-Line Bulletin". International Seismological Centre. June 24, 1928. Retrieved March 5, 2016.
  54. ↑ "M 7.1 - Vanuatu region". United States Geological Survey. June 29, 1928. Retrieved March 5, 2016.
  55. ↑ "M 6.5 - Solomon Islands". United States Geological Survey. July 9, 1928. Retrieved March 5, 2016.
  56. ↑ "On-Line Bulletin". International Seismological Centre. July 18, 1928. Retrieved March 5, 2016.
  57. ↑ "Significant Earthquake: PERU". National Geophysical Data Center. July 18, 1928. Retrieved March 5, 2019.
  58. ↑ "Significant Earthquake: CHINA: SICHUAN PROVINCE". National Geophysical Data Center. July 19, 1928. Retrieved March 5, 2016.
  59. ↑ "On-Line Bulletin". International Seismological Centre. July 27, 1928. Retrieved March 5, 2016.
  60. ↑ "On-Line Bulletin". International Seismological Centre. July 28, 1928. Retrieved March 5, 2016.
  61. ↑ "M 7.2 - offshore Oaxaca, Mexico". United States Geological Survey. August 4, 1928. Retrieved March 5, 2016.
  62. ↑ "On-Line Bulletin". International Seismological Centre. August 5, 1928. Retrieved March 5, 2016.
  63. ↑ "On-Line Bulletin". International Seismological Centre. August 10, 1928. Retrieved March 5, 2016.
  64. ↑ "M 6.3 - Molucca Sea". United States Geological Survey. August 12, 1928. Retrieved March 5, 2016.
  65. ↑ "On-Line Bulletin". International Seismological Centre. August 15, 1928. Retrieved March 5, 2016.
  66. ↑ "Significant Earthquake: IRAN: SHIRVAN". National Geophysical Data Center. August 21, 1928. Retrieved March 5, 2016.
  67. ↑ "On-Line Bulletin". International Seismological Centre. August 24, 1928. Retrieved March 5, 2016.
  68. ↑ "M 6.5 - Pakistan". United States Geological Survey. September 1, 1928. Retrieved March 5, 2016.
  69. ↑ "M 6.2 - eastern New Guinea region, Papua New Guinea". United States Geological Survey. September 7, 1928. Retrieved March 5, 2016.
  70. ↑ "M 6.5 - Molucca Sea". United States Geological Survey. September 13, 1928. Retrieved March 5, 2016.
  71. ↑ "On-Line Bulletin". International Seismological Centre. September 21, 1928. Retrieved March 5, 2016.
  72. ↑ "M 6.8 - Santa Cruz Islands". United States Geological Survey. September 22, 1928. Retrieved March 5, 2016.
  73. ↑ "On-Line Bulletin". International Seismological Centre. September 25, 1928. Retrieved March 5, 2016.
  74. ↑ "On-Line Bulletin". International Seismological Centre. September 27, 1928. Retrieved March 5, 2016.
  75. ↑ "On-Line Bulletin". International Seismological Centre. October 4, 1928. Retrieved March 6, 2016.
  76. ↑ "M 7.5 - Oaxaca, Mexico". United States Geological Survey. October 9, 1928. Retrieved March 6, 2016.
  77. ↑ "M 6.8 - Pakistan". United States Geological Survey. October 15, 1928. Retrieved March 6, 2016.
  78. ↑ "M 6.5 - near the coast of Nicaragua". United States Geological Survey. October 25, 1928. Retrieved March 6, 2016.
  79. ↑ "M 6.4 - Chihuahua, Mexico". United States Geological Survey. November 1, 1928. Retrieved March 6, 2016.
  80. ↑ "M 6.7 - Vanuatu". United States Geological Survey. November 6, 1928. Retrieved March 6, 2016.
  81. ↑ "On-Line Bulletin". International Seismological Centre. November 14, 1928. Retrieved March 6, 2016.
  82. ↑ "M 6.8 - Antofagasta, Chile". United States Geological Survey. November 20, 1928. Retrieved March 6, 2016.
  83. ↑ "M 6.9 - Flores region, Indonesia". United States Geological Survey. November 28, 1928. Retrieved March 6, 2016.
  84. ↑ "M 7.7 - Maule, Chile". United States Geological Survey. December 1, 1928. Retrieved March 6, 2016.
  85. ↑ "Significant Earthquake: CHILE: TALCA, CHILLAN, SANTIAGO, SAN FERNANDO". National Geophysical Data Center. December 1, 1928. Retrieved March 6, 2016.
  86. ↑ "M 7.0 - offshore Maule, Chile". United States Geological Survey. December 2, 1928. Retrieved March 6, 2016.
  87. ↑ "M 7.0 - near the south coast of Papua, Indonesia". United States Geological Survey. December 7, 1928. Retrieved March 6, 2016.
  88. ↑ "M 6.7 - Solomon Islands". United States Geological Survey. December 9, 1928. Retrieved March 6, 2016.
  89. ↑ "On-Line Bulletin". International Seismological Centre. December 10, 1928. Retrieved March 6, 2016.
  90. ↑ "M 6.8 - Kermadec Islands region". United States Geological Survey. December 12, 1928. Retrieved March 6, 2016.
  91. ↑ "M 7.4 - Mindanao, Philippines". United States Geological Survey. December 19, 1928. Retrieved March 6, 2016.
  92. ↑ "Significant Earthquake: PHILIPPINES: COTABATO,N COAST OF ILLANA BAY". National Geophysical Data Center. December 19, 1928. Retrieved March 6, 2016.
  93. ↑ "Tsunami Event: CELEBES SEA". National Geophysical Data Center. December 19, 1928. Retrieved March 6, 2016.
  94. ↑ "M 6.7 - Mindanao, Philippines". United States Geological Survey. December 28, 1928. Retrieved March 6, 2016.
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