M3.5 earthquake 11 km NNE of Hope, Alaska

A magnitude 3.5 earthquake struck 11 km NNE of Hope, Alaska on Fri, Dec 17, 2021, 2:01 AM AKST (11:01 UTC), 28 km (18 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
3.5	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.8	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.026 · 194 stations

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

227 people 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: 160 in the 60 days after this one and 98 in the 30 days before it.

The first 60 of 160.

From the USGS Earthquake Hazards Program and its partner networks, event ak021g4o6w7q (also filed as us6000gd2f). Read Fri, Oct 2, 2026, 4:44 AM UTC.