M2.5 earthquake 245 km SE of Chiniak, Alaska

A magnitude 2.5 earthquake struck 245 km SE of Chiniak, Alaska on Thu, Aug 2, 2018, 10:53 AM AKDT (18:53 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M4.9 250 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: at least 201 in the 60 days after this one and 196 in the 30 days before it.

The first 60 of at least 201.

From the USGS Earthquake Hazards Program and its partner networks, event aacse0189u81jb8. Read Wed, Sep 30, 2026, 8:28 PM UTC.