M3.7 earthquake 178 km ESE of Chiniak, Alaska

A magnitude 3.7 earthquake struck 178 km ESE of Chiniak, Alaska on Sat, Nov 26, 2022, 3:11 AM AKST (12:11 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M4.2 214 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.

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
3.7	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
4.2	mb, body-wave	USGS National Earthquake Information Center	Reviewed · ±0.199 · 7 stations

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak 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: 22 in the 60 days after this one and 16 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak022f5yk4ry (also filed as us7000isjp). Read Thu, Oct 1, 2026, 7:35 PM UTC.