M1.9 earthquake 85 km SSE of False Pass, Alaska

A magnitude 1.9 earthquake struck 85 km SSE of False Pass, Alaska on Wed, Aug 11, 2021, 9:14 PM AKDT (05:14 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M2.1 85 km S of False Pass, 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: 136 in the 60 days after this one and 63 in the 30 days before it.

The first 60 of 136.

From the USGS Earthquake Hazards Program and its partner networks, event ak021aajg0tf. Read Wed, Sep 23, 2026, 5:34 AM UTC.