M2.4 earthquake 59 km NNE of Chenega, Alaska

A magnitude 2.4 earthquake struck 59 km NNE of Chenega, Alaska on Thu, Oct 15, 2020, 4:54 AM AKDT (12:54 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.2 46 km E of Chenega, 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
2.7	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.033 · 118 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: 69 in the 60 days after this one and 36 in the 30 days before it.

The first 60 of 69.

From the USGS Earthquake Hazards Program and its partner networks, event ak020da5s6db (also filed as us6000c8i4). Read Thu, Oct 1, 2026, 3:18 PM UTC.