M1.6 earthquake 80 km SSE of False Pass, Alaska

A magnitude 1.6 earthquake struck 80 km SSE of False Pass, Alaska on Tue, Jul 21, 2020, 8:30 AM AKDT (16:30 UTC), 67 km (42 mi) below the surface.

A larger quake followed: M5.0 82 km SSE 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: 108 in the 60 days after this one and 52 in the 30 days before it.

The first 60 of 108.

From the USGS Earthquake Hazards Program and its partner networks, event ak0209bzsui1. Read Thu, Oct 1, 2026, 1:14 PM UTC.