Alaska earthquakes

M3.3 earthquake 238 km SE of Chiniak, Alaska

A magnitude 3.3 earthquake struck 238 km SE of Chiniak, Alaska on Sat, Aug 10, 2019, 4:28 AM AKDT (12:28 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M3.9 236 km SE of Chiniak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.3 (ml), minor
Local time: Sat, Aug 10, 2019, 4:28 AM AKDT
UTC: 2019-08-10 12:28:24 UTC
Depth: 22.3 km (13.9 mi), shallow
Epicenter: 56.176° N, 149.371° 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 6.4 km horizontally, 9.7 km in depth
Magnitude uncertainty: ±0.04
Depth from: From location
Station coverage gap: 178°
Stations used: 106

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 75 in the 60 days after this one and 67 in the 30 days before it.

After

The first 60 of 75.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600053dw (also filed as aacse019a7cmare, ak019a7cmare). Read Wed, Sep 23, 2026, 3:43 PM UTC.