M1.7 earthquake 142 km ESE of McCarthy, Alaska

A magnitude 1.7 earthquake struck 142 km ESE of McCarthy, Alaska on Thu, Oct 5, 2023, 4:14 AM AKDT (12:14 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.9 Southern 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: 23 in the 60 days after this one and 22 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak023crymokj. Read Wed, Sep 30, 2026, 2:40 AM UTC.