M1.9 earthquake 115 km ESE of Akutan, Alaska

A magnitude 1.9 earthquake struck 115 km ESE of Akutan, Alaska on Sat, Jul 21, 2018, 5:15 AM AKDT (13:15 UTC), 26 km (16 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: 77 in the 60 days after this one and 44 in the 30 days before it.

The first 60 of 77.

From the USGS Earthquake Hazards Program and its partner networks, event ak0189aae04k (also filed as ak19931610). Read Thu, Oct 1, 2026, 5:08 PM UTC.