M2.3 earthquake 161 km S of False Pass, Alaska

A magnitude 2.3 earthquake struck 161 km S of False Pass, Alaska on Thu, Jun 28, 2018, 12:28 PM AKDT (20:28 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M3.9 160 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: 56 in the 60 days after this one and 48 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak01888d9x47 (also filed as ak19807714). Read Thu, Oct 1, 2026, 5:50 AM UTC.