M3.7 earthquake 34 km N of Chase, Alaska

A magnitude 3.7 earthquake struck 34 km N of Chase, Alaska on Fri, Jan 31, 1997, 11:22 PM AKST (08:22 UTC), 87 km (54 mi) below the surface.

A larger quake followed: M4.3 19 km S of Susitna North, 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
2.8	mb, body-wave	USGS National Earthquake Information Center	Reviewed · 1 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: 174 in the 60 days after this one and 58 in the 30 days before it.

The first 60 of 174.

From the USGS Earthquake Hazards Program and its partner networks, event ak9971h23cje (also filed as usp0007wm7). Read Mon, Oct 5, 2026, 3:17 AM UTC.