M4.1 earthquake 87 km SSW of Sand Point, Alaska

A magnitude 4.1 earthquake struck 87 km SSW of Sand Point, Alaska on Sun, Dec 22, 2019, 10:11 PM AKST (07:11 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.2 91 km SE of King Cove, 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
4.1	mb, body-wave	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.082 · 41 stations
4.0	ML, local (Richter)	Alaska Earthquake Center	Preliminary

3 people reported to the USGS what they felt; the strongest reported shaking was IV, light 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: 84 in the 60 days after this one and 38 in the 30 days before it.

The first 60 of 84.

From the USGS Earthquake Hazards Program and its partner networks, event us70006q3a (also filed as ak019gej3du7). Read Thu, Oct 1, 2026, 8:05 PM UTC.