Alaska earthquakes

M3.0 earthquake 226 km SE of Chiniak, Alaska

A magnitude 3.0 earthquake struck 226 km SE of Chiniak, Alaska on Thu, Jul 9, 2020, 10:09 PM AKDT (06:09 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.1 212 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: 3.0 (ml), minor
Local time: Thu, Jul 9, 2020, 10:09 PM AKDT
UTC: 2020-07-10 06:09:34 UTC
Depth: 21.3 km (13.2 mi), shallow
Epicenter: 56.314° N, 149.418° 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 8.5 km horizontally, 10.9 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 212°, poorly surrounded by stations
Stations used: 61

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 23 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000apub (also filed as ak0208tmte3e). Read Sat, Sep 26, 2026, 3:49 PM UTC.