What the records say
- When
- 22 Jul 2020
- Kind
- Earthquake
- Magnitude
- 7.8
- Where
- Usa
- Coordinates
- 55.07° N, 158.60° W
- Intensity mmi
- 7
- Depth km
- 28
2021 Chignik earthquake
7th largest earthquake in the US
An earthquake occurred off the coast of the Alaska Peninsula on July 28, 2021, at 10:15 p.m. local time. The large megathrust earthquake had a moment magnitude of 8.2–8.3. A tsunami warning was issued by the National Oceanic and Atmospheric Administration (NOAA) but later cancelled. The mainshock was followed by a number of aftershocks, including three that were of magnitude 5.9, 6.9, and 6.9.
From Wikipedia, CC BY-SA · Read the article
The source
- NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainSource page
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