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An earthquake occurred off the coast of the Alaska Peninsula on July 28, 2021, at 10:15 p.m. local time. [5] The large megathrust earthquake had a moment magnitude (M w) of 8.2 according to the United States Geological Survey (USGS). [6]
Printable version; In other projects ... Pages in category "Earthquakes in Alaska" ... 2021 Chignik earthquake; A.
The strongest earthquake known to have originated from it was a M7.1 that occurred on July 22, 1937. Other large earthquakes include a M4.9 in 2021, and M5.3 in 2024. [ 2 ] The 1937 earthquake likely ruptured the entire length of the fault while the 2024 earthquake was observed as originating from a depth of only 7.2 km (4.5 mi).
The Alaska peninsula was rocked late Wednesday night by the strongest earthquake to hit the United States since 1965. Alaska peninsula rocked by largest earthquake to strike United States in more ...
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 ...
8.2 M w – 8.5 M s: 7] 1585-06-11: 9.25 M w: Aleutian Islands: Unknown: Natives killed by a tsunami in Hawaii. 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.
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 ...
32.2 July 29: 2021 Chignik earthquake: 2 8.1 0 New Zealand, Kermadec Islands offshore VIII (Severe) 26.5 March 4: 2021 Kermadec Islands earthquakes: 2 8.1 0 South Georgia and the South Sandwich Islands offshore VII (Very strong) 22.8 August 12: 2021 South Sandwich Islands earthquakes: 4 7.7 0 New Caledonia offshore, southeast of the Loyalty Islands