Alaska earthquakes

M4.1 earthquake 76 km SSE of Akutan, Alaska

A magnitude 4.1 earthquake struck 76 km SSE of Akutan, Alaska on Sat, Mar 14, 2020, 7:37 PM AKDT (03:37 UTC), 46 km (29 mi) below the surface.

A larger quake followed: M4.8 35 km SE of Unalaska, Alaska. This one was a foreshock.

Akutan forecast More in Alaska

Map

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

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The earthquake

Magnitude: 4.1 (mb), light
Local time: Sat, Mar 14, 2020, 7:37 PM AKDT
UTC: 2020-03-15 03:37:11 UTC
Depth: 46.1 km (28.6 mi), shallow
Epicenter: 53.493° N, 165.356° 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.

Location uncertainty: About 5.4 km horizontally, 8.5 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 164°
Stations used: 69

Nearest places

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

Akutan, AlaskaPopulation 1,040. Forecast76 kmSSE

Nearby

Within 100 km, magnitude 1.5 and up: 45 in the 60 days after this one and 34 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 us60008fx2 (also filed as ak0203g3babv). Read Wed, Sep 30, 2026, 7:24 AM UTC.