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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]
Nearly 75% of the U.S., including Alaska and Hawaii, could experience a damaging earthquake sometime within the next century, USGS study finds.
Logo of the ANSS. The Advanced National Seismic System (ANSS) is a collaboration of the United States Geological Survey (USGS) and regional, state, and academic partners that collects and analyzes data on significant earthquakes to provide near real-time (generally within 10 to 30 minutes [1]) information to emergency responders and officials, the news media, and the public. [2]
This is an incomplete list of earthquakes in Alaska. Date MMI Mag. Coordinates Depth Deaths Injuries Comments Ref 2021-07-28: VIII: 8.2 M w 32.2 km: Limited damage ...
More than 530 people reported feeling the quake, the USGS said. Early morning 4.2-magnitude earthquake rattles part of Alaska awake, seismologists say Skip to main content
2011 Oklahoma earthquake: January 5, 2013: Alaska 7.5 M w 0 2013 Craig, Alaska earthquake [29] March 29, 2014: California 5.1 M w 0 2014 La Habra earthquake: June 23, 2014: Alaska: 7.9 M ww 0: 2014 Aleutian Islands earthquake: July 25, 2014: Alaska: 6.0 M w 0: 2014 Palma Bay earthquake: August 24, 2014: California: 6.0 M w 1: 2014 South Napa ...
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 ...
The Salcha seismic zone is a fault line in the Interior region of Alaska, United States, generally located to the east of Fairbanks.The fault runs for 65 km (40 mi) from the northern edge of the Alaska Range across the Tanana Valley to the southern end of the Yukon–Tanana Uplands and is parallel to the Fairbanks and Minto Seismic Zones located further west.