M1.8 earthquake 109 km S of McCarthy, Alaska

A magnitude 1.8 earthquake struck 109 km S of McCarthy, Alaska on Sun, Sep 28, 2025, 4:26 PM AKDT (00:26 UTC), 16 km (10 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.0 128 km SSW of McCarthy, 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.

An automatic solution; a seismologist may revise it.

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

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 15 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak025chuc2ei. Read Thu, Oct 1, 2026, 8:05 AM UTC.