Английская Википедия:Great Sitkin Island
Шаблон:Short description Шаблон:Location map
Great Sitkin Island (Шаблон:Lang-ale;[1] Шаблон:Lang-ru) is a volcanic island in the Andreanof Islands of the Aleutian Islands of Alaska. The island covers a total area of Шаблон:Convert and lies slightly north of a group of islands which are located between Adak Island and Atka Island.
The northern portion of the island is dominated by the complex Great Sitkin Volcano which rises to a height of Шаблон:Convert. The island is Шаблон:Convert long and Шаблон:Convert wide.
History
Great Sitkin was the site of a fuel depot during World War II, Sand Bay Naval Station, construction finished on May 15, 1943, and included accommodations for up to 680 men and consisted of 26 fuel oil tanks, three 6,000 barrel tanks, 22 10,000 barrel tanks and one 15,000 barrel tank and were surrounded by berms in case of attack or spills.[2] The Naval Station had only around 10 people supporting it by 1949, but was in operation until 1963 and the remains of the oil tanks are still on the island and are an environmental hazard. Starting in 2021, cleanup feasibility was investigated for the leftover contaminants from the base.[3] On September 24, 1959, a Douglas DC-4 carrying 5 crew and 11 passengers crashed due to pilot error with no survivors.[4] On October 26, 1965, Liberty Ship Ekaterini G. (formerly Josiah G. Holland) ran aground after losing her propeller in heavy seas.[5] All crewmen were rescued, though 2 were injured and one, Sotiris Mendrinos, later died of his injuries. [6] The ship was declared a constructive total loss and remains aground on the western side of the island. On December 11, 1973, a Douglas DC-6 crashed on the island, killing all 10 people on board. [7]
The most recent eruption of Great Sitkin volcano started on 26 May 2021 (UTC time), with an explosive eruption that lasted for about two minutes.[8] The effusive lava flow didn't start until late July 2021.
Geology
With the eruption that started on 26 May 2021, studies have documented the spatiotemporal migration of earthquake activities before and after the eruption.[9] The study, with seismic imaging of the velocity structure, reveals two magma reservoirs at different depths and locations relative to the volcano edifice.[9] The spatial and temporal migration of seismicity back and forth between the northwestern and southeastern island may be explained by the alternating eruptive activity of the two imaged reservoirs.
See also
- List of mountain peaks of North America
- List of Ultras of the United States
- List of volcanoes in the United States
References
External links
Шаблон:US prominent Шаблон:Islands in the Bering Sea Шаблон:Alaska
Шаблон:Authority control Шаблон:AleutiansWestAK-geo-stub
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