M2.1 earthquake 45 km WSW of Nikolski, Alaska

A magnitude 2.1 earthquake struck 45 km WSW of Nikolski, Alaska on Thu, Aug 30, 2018, 7:36 PM AKDT (03:36 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.8 72 km SSE of Nikolski, 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: 99 in the 60 days after this one and 42 in the 30 days before it.

The first 60 of 99.

From the USGS Earthquake Hazards Program and its partner networks, event ak018b5xlems (also filed as ak20256742). Read Thu, Oct 1, 2026, 8:55 PM UTC.