Alaska earthquakes

M2.1 earthquake 23 km NW of Susitna, Alaska

A magnitude 2.1 earthquake struck 23 km NW of Susitna, Alaska on Fri, Aug 10, 2018, 1:12 PM AKDT (21:12 UTC), 59 km (37 mi) below the surface.

A larger quake followed: M4.2 8 km ESE of Susitna North, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude: 2.1 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Fri, Aug 10, 2018, 1:12 PM AKDT
UTC: 2018-08-10 21:12:42 UTC
Depth: 59.0 km (36.7 mi), shallow
Epicenter: 61.706° N, 150.803° 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: 62

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 121 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018a7hvt7x (also filed as ak20056840). Read Fri, Oct 2, 2026, 10:42 PM UTC.