M3.8 earthquake 237 km S of Sand Point, Alaska
A magnitude 3.8 earthquake struck 237 km S of Sand Point, Alaska on Mon, Jun 21, 2021, 5:53 AM AKDT (13:53 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.8 (mb), minor
- Local time
- UTC
- 2021-06-21 13:53:42 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 53.209° N, 160.259° 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 8.0 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- Operator assigned
- Station coverage gap
- 232°, poorly surrounded by stations
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.5236 km S of Sand Point, Alaska · 1913 days ago · 29 km deep · 7 km away
- 2.1219 km S of Sand Point, Alaska · 1899 days ago · 29 km deep · 19 km away
- 2.7227 km S of Sand Point, Alaska · 1891 days ago · 26 km deep · 20 km away
- 2.3220 km S of Sand Point, Alaska · 1887 days ago · 30 km deep · 18 km away
- 2.3215 km SSE of King Cove, Alaska · 1879 days ago · 8 km deep · 35 km away
- 2.8south of Alaska · 1871 days ago · 10 km deep · 12 km away
- 3.6193 km S of Sand Point, Alaska · 1870 days ago · 10 km deep · 48 km away
- 2.3218 km S of Sand Point, Alaska · 1869 days ago · 18 km deep · 24 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000eex9. Read Wed, Sep 23, 2026, 3:54 PM UTC.