Prince William Sound (Sugpiaq: Suungaaciq) is a sound off the Gulf of Alaska on the south coast of the U.S. state of Alaska. It is located on the east side of the Kenai Peninsula. Its largest port is Valdez, at the southern terminus of the Trans-Alaska Pipeline System. Other settlements on the sound, which contains numerous small islands, include Cordova and Whittier plus the Alaska native villages of Chenega and Tatitlek.
James Cook entered Prince William Sound in 1778 and initially named it Sandwich Sound, after his patron the Earl of Sandwich. Later that year, the Sound was named to honour George III's third son Prince William Henry, then aged 13 and serving as a midshipman in the Royal Navy.
In 1790, the Spanish explorer Salvador Fidalgo entered the sound, naming many of its features. Some places in the sound still bear the names given by Fidalgo, as Port Valdez, Port Gravina or Cordova. The explorer landed on the actual site of Cordova and took possession of the land in the name of the king of Spain.
In 1793, Alexander Andreyevich Baranov founded port Voskresenskii, modern-day Seward, on the south edge of the Sound, which he called Chugach Bay. [1] The three-masted ship, Phoenix , was built there, the first ship built by the Russians in America.
Annie Montague Alexander led an expedition through the Sound in 1908. [2]
A tsunami on March 27, 1964, a result of the Good Friday earthquake, killed a number of Chugach villagers in the coastal village of Chenega and destroyed the town of Valdez. Lasting four minutes and thirty-eight seconds, the magnitude 9.2 megathrust earthquake remains the most powerful earthquake recorded in North American history, and the third most powerful earthquake recorded in world history. In Prince William Sound, Port Valdez suffered a massive underwater landslide, resulting in the deaths of 32 people between the collapse of the Valdez city harbor and docks, and inside the ship that was docked there at the time. Nearby, a 27-foot (8.2 m) tsunami destroyed the village of Chenega, killing 23 of the 68 people who lived there; survivors out-ran the wave, climbing to high ground. Post-quake tsunamis severely affected Whittier, Seward, Kodiak, and other Alaskan communities, as well as people and property in British Columbia, Washington, Oregon, and California. Two types of tsunamis were produced by this subduction zone earthquake. There was a tectonic tsunami produced in addition to about 20 smaller and local tsunamis. These smaller tsunamis were produced by submarine and subaerial landslides and were responsible for the majority of the tsunami damage. Tsunami waves were noted in over 20 countries, including Peru, New Zealand, Papua New Guinea, Japan, Mexico, and Antarctica. The largest tsunami wave was recorded in Shoup Bay, Alaska, with a height of about 220 ft (67 m).
On March 24, 1989, the oil tanker Exxon Valdez ran aground on Bligh Reef after leaving Valdez, causing a large oil spill, which resulted in massive damage to the environment, including the killing of around 250,000 seabirds, nearly 3,000 sea otters, 300 harbour seals, 250 bald eagles and up to 22 killer whales. It is considered to be one of the worst human-caused environmental disasters. The Valdez spill is the second largest in US waters, after the 2010 Deepwater Horizon oil spill, in terms of volume released. The oil, originally extracted at the Prudhoe Bay Oil Field, eventually impacted 1,300 miles (2,100 km) of coastline, of which 200 miles (320 km) were heavily or moderately oiled with an obvious impact. Chemical dispersant, a surfactant and solvent mixture, was applied to the slick by a private company on March 24 with a helicopter. But the helicopter missed the target area. Scientific data on its toxicity were either thin or incomplete. In addition, public acceptance of a new, widespread chemical treatment was lacking. Landowners, fishing groups, and conservation organizations questioned the use of chemicals on hundreds of miles of shoreline when other alternatives may have been available. Because Prince William Sound contained many rocky coves where the oil collected, the decision was made to displace it with high-pressure hot water. However, this also displaced and destroyed the microbial populations on the shoreline; many of these organisms (e.g. plankton) are the basis of the coastal marine food chain, and others (e.g. certain bacteria and fungi) are capable of facilitating the biodegradation of oil. At the time, both scientific advice and public pressure was to clean everything, but since then, a much greater understanding of natural and facilitated remediation processes has developed, due somewhat in part to the opportunity presented for study by the Exxon Valdez spill. Despite the extensive cleanup attempts, less than ten percent of the oil was recovered.
In May 2020, a team of researchers announced that a certain mile-long slope on the Barry Arm fjord in Prince William Sound would likely trigger a catastrophic tsunami within the next two decades, or possibly even within the next twelve months. The researchers cautioned their analysis had not yet been peer-reviewed. The Alaska Department of Natural Resources subsequently issued a warning that "an increasingly likely landslide could generate a wave with devastating effects on fishermen and recreationalists". [3]
Most of the land surrounding Prince William Sound is part of the Chugach National Forest, the second largest national forest in the U.S. Prince William Sound is ringed by the steep and glaciated Chugach Mountains. The coastline is convoluted, with many islands and fjords, several of which contain tidewater glaciers. The principal barrier islands forming the sound are Montague Island, Hinchinbrook Island, and Hawkins Island.
The Exxon Valdez oil spill was a major environmental disaster that occurred in Alaska's Prince William Sound on March 24, 1989. The spill occurred when Exxon Valdez, an oil supertanker owned by Exxon Shipping Company, bound for Long Beach, California, struck Prince William Sound's Bligh Reef, 6 mi (9.7 km) west of Tatitlek, Alaska at 12:04 a.m. The tanker spilled more than 10 million US gallons (240,000 bbl) of crude oil over the next few days.
Chenega is a census-designated place (CDP) on Evans Island in the Chugach Census Area in the U.S. state of Alaska. Located in Prince William Sound, the CDP consists of the Chugach Alutiiq village of Chenega Bay, which was established only after the Good Friday earthquake destroyed the original community on Chenega Island to the north. As of the 2020 census, the population of the CDP was 59, largely Alaska Natives; as of 2021, the population of Chenega is estimated at 49. Chenega Bay is in the Chugach School District and has one school, Chenega Bay Community School, serving approximately 16 students from preschool through high school.
Cordova is a city in Chugach Census Area, Alaska, United States. It lies near the mouth of the Copper River, at the head of Orca Inlet on the east side of Prince William Sound. The population was 2,609 at the 2020 census, up from 2,239 in 2010.
Valdez is a city in the Chugach Census Area in the U.S. state of Alaska. According to the 2020 US Census, the population of the city is 3,985, up from 3,976 in 2010. It is the third most populated city in Alaska's Unorganized Borough.
Whittier is a city at the head of the Passage Canal in the U.S. state of Alaska, about 58 miles (93 km) southeast of Anchorage. The city is within the Chugach Census Area, one of the two entities established in 2019 when the former Valdez–Cordova Census Area was dissolved. It is also a port for the Alaska Marine Highway. The population was 272 at the 2020 census, having increased from 220 in 2010.
Exxon Valdez was an oil tanker that gained notoriety after running aground in Prince William Sound, spilling her cargo of crude oil into the sea. On 24 March 1989, while owned by the former Exxon Shipping Company, captained by Joseph Hazelwood and First Mate James Kunkel, and bound for Long Beach, California, the vessel ran aground on the Bligh Reef, resulting in the second largest oil spill in United States history. The size of the spill is estimated to have been 40,900 to 120,000 m3. In 1989, the Exxon Valdez oil spill was listed as the 54th-largest spill in history.
Chugach, Chugach Sugpiaq or Chugachigmiut is the name of an Alaska Native people in the region of the Kenai Peninsula and Prince William Sound on the southern coast of Alaska. The Chugach people are an Alutiiq people who speak the Chugach dialect of the Alutiiq language.
The 1964 Alaskan earthquake, also known as the Great Alaskan earthquake and Good Friday earthquake, occurred at 5:36 PM AKST on Good Friday, March 27, 1964. Across south-central Alaska, ground fissures, collapsing structures, and tsunamis resulting from the earthquake caused about 131 deaths.
The Alaska Marine Highway (AMH) or the Alaska Marine Highway System (AMHS) is a ferry service operated by the U.S. state of Alaska. It has its headquarters in Ketchikan, Alaska.
Evans Island is an island in the Prince William Sound of southern Alaska. It lies just east of Bainbridge Island across the Prince of Wales Passage. Elrington Island lies to its south, Latouche Island to its southeast, and Knight Island to its northeast. Although Evans Island had been inhabited up to the time of the Russian exploration of Alaska, the island had no modern-day inhabitants until 1984, when a group of residents and former residents of the original Alutiq village of Chenega, on Chenega Island, decided to build the village of Chenega Bay on Crab Bay on Evans Island. Old Chenega had been destroyed and one-third of its residents had been killed by the tsunami from the 1964 Alaska earthquake. The new community of Chenega is coextensive with Evans Island, which has a land area of 74.605 km2 and a population of 86 persons as of the 2000 census.
The Valdez Blockade was a 1993 protest by Cordova fishermen who blockaded the Valdez Narrows in an attempt to obtain funding for research and restoration efforts relating to decreasing yields of pink salmon and herring in Prince William Sound following the Exxon Valdez Oil Spill. The fishermen were dissatisfied with the Exxon Valdez Oil Spill Trustee’s Council’s refusal to fund research efforts into the spill's effects on the fish. The blockade lasted three days, from August 20 to August 22. The blockade ended when Secretary of the Interior, Bruce Babbitt, promised funding for salmon and herring research. Findings from these studies resulted in additional compensation from Exxon.
The Chugach National Forest is a 6,908,540-acre (27,958 km2) United States National Forest in south central Alaska. Covering portions of Prince William Sound, the Kenai Peninsula and the Copper River Delta, it was formed in 1907 from part of a larger forest reserve. The Chugach includes extensive shorelines, glaciers, forests and rivers, much of which is untouched by roads or trails. It hosts numerous bird, mammal and marine species, including extensive shorebird habitat and a bald eagle population larger than the contiguous 48 states combined. Human industry in the forest includes extensive tourism and some mining and oil and gas operations.
MV Aurora is a feeder vessel for the Alaska Marine Highway System, built in Sturgeon Bay, Wisconsin in 1977 by Peterson Shipbuilders and commissioned by the Alaska Marine Highway System the same year.
Chenega Island is an island in Prince William Sound in the U.S. state of Alaska. It is the traditional home to the community of Chenega, though much of its population eventually migrated to Chenega Bay on nearby Evans Island after the 1964 Good Friday earthquake and accompanying tsunami. Chenega Island and its surrounding habitat were also heavily impacted by the 1989 Exxon Valdez oil spill. The island has a land area of 57.084 km2 and, after the mass emigration, was unpopulated as of the 2000 census.
Montague Island (Sugpiaq: Suklluurniilnguq) lies in the Gulf of Alaska at the entrance to Prince William Sound, Alaska. The island has a land area of 790.88 km2, making it the 26th largest island in the United States. As of the 2000 census, Montague did not have a permanent resident population, making it at that time the largest uninhabited island in the United States. Since then, the 2010 abandonment of the United States Coast Guard station on Attu Island in the Aleutian Islands, which at 892.8 km2 is larger than Montague Island, causes Attu to claim that title. Montague Island was named by Captain James Cook in honor of John Montagu, 4th Earl of Sandwich, one of his greatest supporters.
Knight Island is an island in western Prince William Sound of the Gulf of Alaska in the U.S. state of Alaska.
The Chugach School District is a school district headquartered in Anchorage, Alaska. It operates three brick-and-mortar schools in Prince William Sound, Alaska; a homeschool program that serves students across the state; and a short-term residential school out of Anchorage.
Riki Ott is a marine toxicologist and activist in Cordova, Alaska. Ott was frequently introduced as an "oil spill expert" in her many media appearances during the height of the 2010 BP Deepwater Horizon oil spill news coverage. After graduating with a doctorate in sedimentary toxicology from the University of Washington, Ott moved to Alaska and started a fishing business. When the Exxon Valdez oil spill disrupted the local fishing-based economy, she became an environmental activist. Since the spill, she has participated in legal and public relations disputes with the Exxon company.
USCGC Sedge (WAGL-402/WLB-402) was an Iris-class 180-foot seagoing buoy tender operated by the United States Coast Guard. She served in the Pacific during World War II and in Alaska during the rest of her Coast Guard career. Sedge was decommissioned in 2002 and transferred to the Nigerian Navy where she is still active as NNS Kyanwa.
The Barry Arm landslide is an ongoing landslide in the Barry Arm fjord, northeast of Whittier, Alaska. The landslide is currently sliding into the waters of the fjord. Recently discovered in 2020, scientists fear that the slope may trigger a large tsunami when it falls into the fjord.
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