M2.7 earthquake 33 km ENE of Chase, Alaska

A magnitude 2.7 earthquake struck 33 km ENE of Chase, Alaska on Sat, Jun 21, 1997, 6:41 PM AKDT (02:41 UTC), 65 km (40 mi) below the surface.

A larger quake followed: M4.2 12 km WSW of Petersville, 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
2.7	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.0	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

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: 138 in the 60 days after this one and 51 in the 30 days before it.

The first 60 of 138.

From the USGS Earthquake Hazards Program and its partner networks, event ak9977y5eqif (also filed as usp00083tq). Read Mon, Oct 5, 2026, 1:22 PM UTC.