M2.4 earthquake 30 km NNE of Chickaloon, Alaska

A magnitude 2.4 earthquake struck 30 km NNE of Chickaloon, Alaska on Fri, Oct 16, 2020, 3:17 PM AKDT (23:17 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M4.6 18 km SSW 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
2.4	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.6	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.028 · 169 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: 139 in the 60 days after this one and 60 in the 30 days before it.

The first 60 of 139.

From the USGS Earthquake Hazards Program and its partner networks, event ak020dbznce8 (also filed as us6000c8vw). Read Sat, Oct 3, 2026, 3:55 AM UTC.