M3.2 earthquake 133 km S of McCarthy, Alaska

A magnitude 3.2 earthquake struck 133 km S of McCarthy, Alaska on Sat, Oct 7, 2023, 1:22 AM AKDT (09:22 UTC), 1 km (1 mi) below the surface.

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
3.2	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.3	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.031 · 136 stations

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 11 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ak023cv7yw33 (also filed as us6000ldsh). Read Sat, Oct 3, 2026, 2:48 PM UTC.