Alaska earthquakes

M2.5 earthquake 223 km ESE of Chiniak, Alaska

A magnitude 2.5 earthquake struck 223 km ESE of Chiniak, Alaska on Thu, Apr 24, 2025, 12:51 AM AKDT (08:51 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.3 227 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: 2.5 (ml), micro
Local time: Thu, Apr 24, 2025, 12:51 AM AKDT
UTC: 2025-04-24 08:51:03 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 56.932° N, 148.787° 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 4.8 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.07
Depth from: Operator assigned
Station coverage gap: 262°, 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: 10 in the 60 days after this one and 3 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pxch (also filed as ak02558obyzd). Read Wed, Sep 30, 2026, 7:26 AM UTC.