What the records say
- When
- 19 Oct 2020
- Kind
- Tsunami
- Coordinates
- 54.60° N, 159.63° W
- Max water height m
- 0.76
- Source quake magnitude
- 7.6
- Runups
- 33
Placed at the area, not an exact site.
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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