M3.2 earthquake 231 km S of Sand Point, Alaska
A magnitude 3.2 earthquake struck 231 km S of Sand Point, Alaska on Sun, Oct 10, 2021, 6:34 AM AKDT (14:34 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.3 234 km S of Sand Point, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.2 (ml), minor
- Local time
- UTC
- 2021-10-10 14:34:26 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 53.273° N, 160.020° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.6 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 227°, poorly surrounded by stations
- Stations used
- 23
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.3234 km S of Sand Point, Alaska · 1809 days ago · 10 km deep · 11 km away
- 2.6209 km S of Sand Point, Alaska · 1763 days ago · 10 km deep · 34 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000g9k1 (also filed as ak021d09mmvh). Read Thu, Sep 24, 2026, 6:16 AM UTC.