M1.8 earthquake 76 km ESE of Sand Point, Alaska

A magnitude 1.8 earthquake struck 76 km ESE of Sand Point, Alaska on Fri, Sep 24, 2021, 3:51 PM AKDT (23:51 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M5.6 115 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: 174 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of 174.

From the USGS Earthquake Hazards Program and its partner networks, event ak021c9yhleb. Read Mon, Sep 28, 2026, 12:37 AM UTC.