M2.2 earthquake 63 km SW of Nikolski, Alaska

A magnitude 2.2 earthquake struck 63 km SW of Nikolski, Alaska on Wed, Sep 25, 2024, 5:00 AM AKDT (13:00 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M5.0 129 km WSW of Nikolski, 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
2.2	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
1.88	ML, local (Richter)	AV	Final · ±0.24877460605396 · 10 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: 53 in the 60 days after this one and 44 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak024cd3b3kt (also filed as av93285903). Read Sun, Oct 4, 2026, 6:32 AM UTC.