M2.3 earthquake 113 km SSW of False Pass, Alaska

A magnitude 2.3 earthquake struck 113 km SSW of False Pass, Alaska on Sun, Dec 9, 2018, 10:03 PM AKST (07:03 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M3.8 111 km ESE of Akutan, 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: 78 in the 60 days after this one and 38 in the 30 days before it.

The first 60 of 78.

From the USGS Earthquake Hazards Program and its partner networks, event ak018ft1239a. Read Wed, Sep 30, 2026, 7:51 AM UTC.