Alaska earthquakes

M1.6 earthquake 42 km SSE of Old Harbor, Alaska

A magnitude 1.6 earthquake struck 42 km SSE of Old Harbor, Alaska on Wed, Aug 21, 2019, 2:54 PM AKDT (22:54 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.1 111 km SE of Akhiok, Alaska. This one was a foreshock.

Womens Bay forecast More in Alaska

Map

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

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The earthquake

Magnitude: 1.6 (ml), micro
Local time: Wed, Aug 21, 2019, 2:54 PM AKDT
UTC: 2019-08-21 22:54:15 UTC
Depth: 10.3 km (6.4 mi), shallow
Epicenter: 56.879° N, 152.952° 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.

Stations used: 21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 18 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 ak019appn07l (also filed as aacse019appn07l). Read Tue, Sep 29, 2026, 2:08 AM UTC.