Alaska earthquakes

M2.3 earthquake 6 km WSW of Susitna, Alaska

A magnitude 2.3 earthquake struck 6 km WSW of Susitna, Alaska on Tue, May 18, 2021, 3:40 AM AKDT (11:40 UTC), 35 km (22 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M4.0 16 km WSW of Trapper Creek, 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: 2.3 (ml), micro
Local time: Tue, May 18, 2021, 3:40 AM AKDT
UTC: 2021-05-18 11:40:32 UTC
Depth: 34.8 km (21.6 mi), shallow
Epicenter: 61.523° N, 150.636° W
Region: Alaska
Tsunami flag: No
Status: Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Stations used: 65

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 116 in the 30 days before it.

After

The first 60 of 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0216ceyav0 (also filed as us7000e42e). Read Sun, Sep 27, 2026, 10:37 AM UTC.