M2.2 earthquake 257 km SSE of Chiniak, Alaska

A magnitude 2.2 earthquake struck 257 km SSE of Chiniak, Alaska on Wed, Aug 15, 2018, 10:03 PM AKDT (06:03 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M2.8 212 km SE of Chiniak, Alaska. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event aacse018ah64g25. Read Tue, Sep 22, 2026, 10:58 AM UTC.