M3.5 earthquake 258 km SE of Chiniak, Alaska

A magnitude 3.5 earthquake struck 258 km SE of Chiniak, Alaska on Sat, Mar 9, 2019, 12:12 PM AKST (21:12 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.8 232 km SE of Chiniak, 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: 184 in the 60 days after this one and 112 in the 30 days before it.

The first 60 of 184.

From the USGS Earthquake Hazards Program and its partner networks, event aacse01934t4d5x. Read Mon, Sep 28, 2026, 5:47 PM UTC.