M1.6 earthquake 100 km SE of Sand Point, Alaska

A magnitude 1.6 earthquake struck 100 km SE of Sand Point, Alaska on Sun, Jul 18, 2021, 5:25 PM AKDT (01:25 UTC), 38 km (24 mi) below the surface.

A larger quake followed: M5.5 106 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: at least 200 in the 60 days after this one and 108 in the 30 days before it.

The first 60 of at least 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak02196s89jt. Read Sun, Sep 27, 2026, 8:42 AM UTC.