M1.9 earthquake 43 km SSE of False Pass, Alaska

A magnitude 1.9 earthquake struck 43 km SSE of False Pass, Alaska on Sat, Aug 28, 2021, 11:45 AM AKDT (19:45 UTC), 56 km (35 mi) below the surface.

A larger quake followed: M2.6 37 km SE of King Cove, 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: 58 in the 60 days after this one and 62 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak021b18k6ho. Read Wed, Sep 23, 2026, 1:13 PM UTC.