M2.3 earthquake 24 km WNW of Tatitlek, Alaska

A magnitude 2.3 earthquake struck 24 km WNW of Tatitlek, Alaska on Sat, Nov 28, 2020, 12:54 PM AKST (21:54 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M3.6 9 km NNW of Valdez, 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
2.3	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.5	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.041 · 79 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: 119 in the 60 days after this one and 47 in the 30 days before it.

The first 60 of 119.

From the USGS Earthquake Hazards Program and its partner networks, event ak020fb2s9ul (also filed as us7000ckq4). Read Thu, Oct 1, 2026, 5:11 PM UTC.