M2.3 earthquake 140 km SSE of Sand Point, Alaska

A magnitude 2.3 earthquake struck 140 km SSE of Sand Point, Alaska on Tue, Mar 16, 2021, 9:15 PM AKDT (05:15 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.5 112 km SSE of Sand Point, 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: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak0213hrwtut. Read Thu, Sep 24, 2026, 2:58 AM UTC.