Alaska earthquakes

M2.9 earthquake 14 km SSE of King Salmon, Alaska

A magnitude 2.9 earthquake struck 14 km SSE of King Salmon, Alaska on Tue, Aug 31, 2021, 2:41 AM AKDT (10:41 UTC), 199 km (124 mi) below the surface.

A larger quake followed: M3.0 80 km ESE of King Salmon, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.9 (ml), micro
Local time
UTC
2021-08-31 10:41:00 UTC
Depth
199.0 km (123.7 mi), intermediate-depth
Epicenter
58.569° N, 156.548° 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
117

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 34 in the 60 days after this one and 15 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b61sdba (also filed as us7000f664). Read Thu, Sep 24, 2026, 6:17 AM UTC.