Alaska earthquakes

M2.4 earthquake 130 km S of Unalaska, Alaska

A magnitude 2.4 earthquake struck 130 km S of Unalaska, Alaska on Fri, Jan 10, 2020, 8:57 PM AKST (05:57 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.7 82 km S of Unalaska, 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
2.4 (ml), micro
Local time
UTC
2020-01-11 05:57:16 UTC
Depth
6.5 km (4.1 mi), shallow
Epicenter
52.710° N, 166.743° 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 5.0 km horizontally, 7.3 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
261°, poorly surrounded by stations
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 13 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70006yfi (also filed as ak020ia89a7). Read Wed, Sep 30, 2026, 2:47 AM UTC.