M2.9 earthquake 232 km S of Sand Point, Alaska
A magnitude 2.9 earthquake struck 232 km S of Sand Point, Alaska on Thu, Dec 23, 2021, 2:39 AM AKST (11:39 UTC), 28 km (17 mi) below the surface.
A larger quake followed: M3.1 232 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.
The earthquake
- Magnitude
- 2.9 (ml), micro
- Local time
- UTC
- 2021-12-23 11:39:18 UTC
- Depth
- 28.2 km (17.5 mi), shallow
- Epicenter
- 53.248° N, 160.325° 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 4.1 km horizontally, 11.1 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 259°, poorly surrounded by stations
- Stations used
- 25
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
- 2.8212 km S of King Cove, Alaska · 1737 days ago · 14 km deep · 95 km away
- 2.3150 km S of Sand Point, Alaska · 1735 days ago · 25 km deep · 85 km away
- 2.1147 km SE of King Cove, Alaska · 1705 days ago · 40 km deep · 94 km away
- 3.1232 km SSE of Sand Point, Alaska · 1693 days ago · 10 km deep · 63 km away
- 2.9196 km SSE of King Cove, Alaska · 1681 days ago · 10 km deep · 55 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000gdt1 (also filed as ak021geln2c4). Read Sun, Sep 27, 2026, 1:04 AM UTC.