M3.2 earthquake 238 km S of Sand Point, Alaska
A magnitude 3.2 earthquake struck 238 km S of Sand Point, Alaska on Fri, Sep 17, 2021, 3:15 PM AKDT (23:15 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
- 2021-09-17 23:15:26 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 53.200° N, 160.164° 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 7.8 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- Operator assigned
- Station coverage gap
- 234°, poorly surrounded by stations
- Stations used
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.3218 km SSE of King Cove, Alaska · 1824 days ago · 50 km deep · 96 km away
- 2.7213 km SSE of King Cove, Alaska · 1820 days ago · 10 km deep · 62 km away
- 3.2231 km S of Sand Point, Alaska · 1809 days ago · 10 km deep · 13 km away
- 3.3234 km S of Sand Point, Alaska · 1808 days ago · 10 km deep · 22 km away
- 2.8200 km SSE of King Cove, Alaska · 1775 days ago · 23 km deep · 98 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000fc9y (also filed as ak021bydij4j). Read Wed, Sep 23, 2026, 12:43 PM UTC.