M5.2 earthquake 116 km SSE of Sand Point, Alaska

A magnitude 5.2 earthquake struck 116 km SSE of Sand Point, Alaska on Mon, Oct 19, 2020, 1:22 PM AKDT (21:22 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M5.9 144 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
5.2	mb, body-wave	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.079 · 53 stations
5.2	mb, body-wave	Alaska Earthquake Center	Preliminary

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 2.2 and up: at least 199 in the 60 days after this one and 74 in the 30 days before it.

The first 60 of at least 199.

From the USGS Earthquake Hazards Program and its partner networks, event us6000c9kj (also filed as ak020dgx3ke4). Read Thu, Oct 1, 2026, 5:10 AM UTC.