Alaska earthquakes

M3.8 earthquake 264 km SE of Chiniak, Alaska

A magnitude 3.8 earthquake struck 264 km SE of Chiniak, Alaska on Fri, May 14, 2021, 2:48 AM AKDT (10:48 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.5 226 km SE of Chiniak, 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: 3.8 (mb), minor
Local time: Fri, May 14, 2021, 2:48 AM AKDT
UTC: 2021-05-14 10:48:13 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 55.875° N, 149.319° W
Region: Alaska
Felt reports: 1
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.9 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.19
Depth from: Operator assigned
Station coverage gap: 162°
Stations used: 42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 39 in the 60 days after this one and 17 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000e31a (also filed as ak02165s9537). Read Thu, Sep 24, 2026, 12:46 PM UTC.