M4.5 earthquake 99 km SSE of Sand Point, Alaska

A magnitude 4.5 earthquake struck 99 km SSE of Sand Point, Alaska on Mon, Nov 17, 2025, 10:08 PM AKST (07:08 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M4.6 99 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
4.5	Mwr, regional moment	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.046 · 46 stations
4.51	ML, local (Richter)	Alaska Earthquake Center	Reviewed · ±0.3051539781888411 · 102 stations

No one has reported feeling this quake to the USGS.

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 143 in the 60 days after this one and 21 in the 30 days before it.

The first 60 of 143.

From the USGS Earthquake Hazards Program and its partner networks, event us6000rnwd (also filed as ak2025wruhsz). Read Thu, Oct 1, 2026, 9:36 AM UTC.