M2.8 earthquake 50 km W of Tatitlek, Alaska

A magnitude 2.8 earthquake struck 50 km W of Tatitlek, Alaska on Sat, Oct 24, 2020, 6:42 AM AKDT (14:42 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.6 20 km WSW of Glacier View, 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
2.8	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.0	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.03 · 146 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: 102 in the 60 days after this one and 42 in the 30 days before it.

The first 60 of 102.

From the USGS Earthquake Hazards Program and its partner networks, event ak020dp2qi5w (also filed as us6000ccmk). Read Thu, Oct 1, 2026, 7:38 PM UTC.