M1.5 earthquake Alaska Peninsula

A magnitude 1.5 earthquake struck in the Alaska Peninsula on Tue, Apr 13, 2021, 6:09 PM AKDT (02:09 UTC), 152 km (94 mi) below the surface.

A larger quake followed: M3.7 85 km ESE of Egegik, 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: 62 in the 60 days after this one and 37 in the 30 days before it.

The first 60 of 62.

From the USGS Earthquake Hazards Program and its partner networks, event ak0214s14ysn. Read Sun, Sep 27, 2026, 3:33 PM UTC.