M4.2 earthquake 58 km S of Sand Point, Alaska

A magnitude 4.2 earthquake struck 58 km S of Sand Point, Alaska on Mon, Dec 1, 2025, 3:19 PM AKST (00:19 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M5.2 123 km SSE of Sand Point, 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	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.216 · 6 stations
3.99	ML, local (Richter)	Alaska Earthquake Center	Reviewed · ±0.2656206107142625 · 58 stations

2 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: 158 in the 60 days after this one and 80 in the 30 days before it.

The first 60 of 158.

From the USGS Earthquake Hazards Program and its partner networks, event us7000rezs (also filed as ak2025xqyxtt). Read Thu, Oct 1, 2026, 2:13 PM UTC.