M4.2 earthquake 24 km SSE of Chickaloon, Alaska

A magnitude 4.2 earthquake struck 24 km SSE of Chickaloon, Alaska on Sun, Oct 30, 2022, 8:48 AM AKDT (16:48 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M4.3 11 km N of Meadow Lakes, 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
4.2	mb, body-wave	Alaska Earthquake Center	Preferred · Preliminary
4.2	mb, body-wave	USGS National Earthquake Information Center	Reviewed · ±0.176 · 12 stations

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

327 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 188 in the 60 days after this one and 126 in the 30 days before it.

The first 60 of 188.

From the USGS Earthquake Hazards Program and its partner networks, event ak022dxdnf6d (also filed as us7000ilcf). Read Sat, Oct 3, 2026, 4:32 AM UTC.