Alaska earthquakes

M2.0 earthquake 204 km WSW of Adak, Alaska

A magnitude 2.0 earthquake struck 204 km WSW of Adak, Alaska on Sat, Aug 7, 2021, 10:29 AM HADT (19:29 UTC), 70 km (44 mi) below the surface.

A larger quake followed: M6.1 187 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.0 (ml), micro
Local time
UTC
2021-08-07 19:29:04 UTC
Depth
70.3 km (43.7 mi), intermediate-depth
Epicenter
51.511° N, 179.533° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
26

Nearby

Within 100 km, magnitude 1.5 and up: 186 in the 60 days after this one and 76 in the 30 days before it.

After

The first 60 of 186.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021a2i6gqo. Read Thu, Sep 24, 2026, 11:24 AM UTC.