M1.5 earthquake 55 km WNW of Nikiski, Alaska

A magnitude 1.5 earthquake struck 55 km WNW of Nikiski, Alaska on Thu, Oct 10, 2019, 12:49 PM AKDT (20:49 UTC), 102 km (63 mi) below the surface.

A larger quake followed: M3.7 53 km E of Port Alsworth, Alaska. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

1 person reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 103 in the 30 days before it.

The first 60 of at least 200.

From the USGS Earthquake Hazards Program and its partner networks, event ak019d0daeox. Read Mon, Sep 28, 2026, 10:35 PM UTC.