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It was also the largest earthquake in 2020 by magnitude. The earthquake ruptured an area of about 120 mi × 60 mi (193 km × 97 km), equal to about 7,200 sq mi (19,000 km 2). The estimated maximum slip along this fault surface was about 3 to 4 m (9.8 to 13.1 ft). [30] The earthquake appears to have only partially ruptured the Shumagin segment ...
Note: The inclusion criteria for adding events are based on WikiProject Earthquakes' notability guideline that was developed for stand-alone articles. The principles described also apply to lists. In summary, only damaging, injurious, or deadly events and those of scientific interest should be recorded.
Map all coordinates using OpenStreetMap. ... Pages in category "Earthquakes in Alaska" ... 2021 Chignik earthquake; A.
An aftershock hit the area about 20 minutes later at a magnitude of 5.8, the USGS said. ... A tsunami warning was issued for southern Alaska on Monday after a major earthquake and large aftershock ...
The earthquake was initially rated a magnitude 7.4 but was upgraded to a magnitude 7.5 with a depth of 40.1 km (25 miles), according to the USGS. The epicenter was approximately 575 miles ...
A powerful earthquake occurred just south of the Alaska Peninsula Monday afternoon, local time, prompting tsunami warning for part of the coast. The earthquake was initially rated a magnitude 7.4 ...
28 July 2021 22:15 (local time) Alaska, United States 0 8.2 M w [67] Was preceded by two foreshocks in 2020—M w 7.8 and 7.6. 2021 Chignik earthquake: 12 August 2021 16:35 (local time) South Sandwich Islands: 0 8.1 M w [68] Complex earthquake with multiple subevents, including one that was characterized as a tsunami earthquake. Earthquake ...
The quake occurred at occurred around 10:13 p.m. around 75 miles south of the community of Chignik, according to the National Tsunami Warning Center.