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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]
The 2021 Chignik earthquake was the largest earthquake of 2021; it was also the largest earthquake in the United States since the 1965 Rat Islands earthquake. Moderate damage was reported, with homes shifted from their foundations and cracks in walls. [ 307 ]
2021 Chignik earthquake § October 2020 [33] July 29, 2021: Alaska 8.2 M w 0 2021 Chignik earthquake [34] December 20, 2022: California 6.4 M w: 2 2022 Ferndale earthquake [35] April 5, 2024: New Jersey 4.8 M w: 0 2024 New Jersey earthquake [36] December 5, 2024: California 7.0 M w: 0 2024 Cape Mendocino earthquake [37]
Aftershocks continued Friday after a strong earthquake that prompted a tsunami warning for parts of the U.S. West Coast Thursday. "At this time, there have been 59 earthquakes of magnitude three ...
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. 7.8-magnitude earthquake in Alaska prompts ...
An unusual East Coast earthquake shook millions of people from New York and Philadelphia skyscrapers to rural New England on Friday, causing no widespread damage but startling an area unaccustomed ...
2021 Chignik earthquake: 12 August 2021 16:35 (local time) South Sandwich Islands: 0 8.1 M w [73] Complex earthquake with multiple subevents, including one that was characterized as a tsunami earthquake. Earthquake released seismic energy in the form of low-frequency seismic waves with a period of 500 seconds. [74] 2021 South Sandwich Islands ...
Taiwan and its surrounding waters have registered about 2,000 earthquakes with a magnitude of 4.0 or greater since 1980, and more than 100 earthquakes with a magnitude above 5.5, according to the ...