M3.0 earthquake 178 km SE of Chignik, Alaska

A magnitude 3.0 earthquake struck 178 km SE of Chignik, Alaska on Thu, Jun 26, 2025, 5:42 PM AKDT (01:42 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.5 213 km SE of Perryville, Alaska. This one was a foreshock.

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
3.0	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.0	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.071 · 26 stations

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: 18 in the 60 days after this one and 7 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak02586ei7yq (also filed as us7000q911). Read Sat, Oct 3, 2026, 9:33 AM UTC.