Alaska earthquakes

M2.6 earthquake 240 km ESE of Chiniak, Alaska

A magnitude 2.6 earthquake struck 240 km ESE of Chiniak, Alaska on Sun, Apr 5, 2020, 2:04 AM AKDT (10:04 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 229 km SE 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: 2.6 (ml), micro
Local time: Sun, Apr 5, 2020, 2:04 AM AKDT
UTC: 2020-04-05 10:04:36 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.672° N, 148.696° 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 7.9 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 204°, poorly surrounded by stations
Stations used: 53

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 47 in the 60 days after this one and 21 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60009eid (also filed as ak0204exkspm). Read Thu, Sep 24, 2026, 12:05 PM UTC.