M2.3 earthquake 98 km SSE of False Pass, Alaska

A magnitude 2.3 earthquake struck 98 km SSE of False Pass, Alaska on Sun, Mar 4, 2018, 4:06 AM AKST (13:06 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.6 167 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: 96 in the 60 days after this one and 21 in the 30 days before it.

The first 60 of 96.

From the USGS Earthquake Hazards Program and its partner networks, event ak0182wemt31 (also filed as ak18655518). Read Thu, Oct 1, 2026, 2:38 AM UTC.