M2.1 earthquake 87 km SSW of False Pass, Alaska

A magnitude 2.1 earthquake struck 87 km SSW of False Pass, Alaska on Sat, Oct 31, 2015, 1:26 PM AKDT (21:26 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M3.8 95 km S of False Pass, 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: 95 in the 60 days after this one and 40 in the 30 days before it.

The first 60 of 95.

From the USGS Earthquake Hazards Program and its partner networks, event ak015dz419yq (also filed as ak11781242). Read Mon, Oct 5, 2026, 1:43 PM UTC.