M2.8 earthquake 18 km ESE of Chignik, Alaska

A magnitude 2.8 earthquake struck 18 km ESE of Chignik, Alaska on Wed, Nov 28, 2018, 1:55 AM AKST (10:55 UTC), 51 km (31 mi) below the surface.

A larger quake followed: M3.2 51 km SSE of Perryville, 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: 26 in the 60 days after this one and 13 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event aacse018f98pcj8. Read Mon, Sep 28, 2026, 5:08 AM UTC.