Alaska earthquakes

M2.4 earthquake 281 km ESE of Chiniak, Alaska

A magnitude 2.4 earthquake struck 281 km ESE of Chiniak, Alaska on Sun, Mar 15, 2020, 11:42 AM AKDT (19:42 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M5.2 250 km ESE of Chiniak, 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: Sun, Mar 15, 2020, 11:42 AM AKDT
UTC: 2020-03-15 19:42:30 UTC
Depth: 16.4 km (10.2 mi), shallow
Epicenter: 56.803° N, 147.869° 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 8.8 km horizontally, 8.4 km in depth
Magnitude uncertainty: ±0.06
Depth from: From location
Station coverage gap: 206°, poorly surrounded by stations
Stations used: 17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70008fs8 (also filed as ak0203gcvic0). Read Thu, Sep 24, 2026, 2:05 PM UTC.