M1.8 earthquake 90 km SSW of False Pass, Alaska

A magnitude 1.8 earthquake struck 90 km SSW of False Pass, Alaska on Thu, Aug 7, 2025, 5:51 PM AKDT (01:51 UTC), 25 km (15 mi) below the surface.

A larger quake followed: M4.5 154 km ESE of Akutan, 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: 76 in the 60 days after this one and 71 in the 30 days before it.

The first 60 of 76.

From the USGS Earthquake Hazards Program and its partner networks, event ak025a3v4qq1. Read Wed, Sep 30, 2026, 11:08 PM UTC.