M3.4 earthquake 30 km NNE of Paxson, Alaska

A magnitude 3.4 earthquake struck 30 km NNE of Paxson, Alaska on Thu, May 27, 2021, 1:40 PM AKDT (21:40 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.1 9 km ESE of Mentasta Lake, 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
3.4	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.5	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.028 · 166 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: 12 in the 60 days after this one and 9 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak0216rgqrcr (also filed as us6000efad). Read Thu, Oct 1, 2026, 2:19 PM UTC.