Alaska earthquakes

M3.1 earthquake 54 km NNE of Chase, Alaska

A magnitude 3.1 earthquake struck 54 km NNE of Chase, Alaska on Wed, Mar 17, 2021, 8:59 PM AKDT (04:59 UTC), 71 km (44 mi) below the surface.

A larger quake followed: M5.5 28 km SE of Cantwell, 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
3.1 (ml), minor
Local time
UTC
2021-03-18 04:59:25 UTC
Depth
71.4 km (44.4 mi), intermediate-depth
Epicenter
62.895° N, 149.654° 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
244

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 131 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0213jf45nz (also filed as us7000dkgm). Read Sat, Sep 26, 2026, 1:17 PM UTC.