M3.1 earthquake 298 km SW of Adak, Alaska
A magnitude 3.1 earthquake struck 298 km SW of Adak, Alaska on Sun, Dec 24, 2023, 3:10 AM GMT-12 (15:10 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.9 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-12-24 15:10:05 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 50.193° N, 179.958° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
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 |
|---|---|---|---|
| 3.1 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.105 · 12 stations |
| 2.8 | ML, local (Richter) | Alaska Earthquake Center | Preliminary |
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 3.5 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 273°, poorly surrounded by stations
- Stations used
- 13
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.4219 km WSW of Adak, Alaska · 1011 days ago · 9 km deep · 90 km away
- 3.9Andreanof Islands, Aleutian Islands, Alaska · 1009 days ago · 35 km deep · 3 km away
- 2.1245 km WSW of Adak, Alaska · 1005 days ago · 11 km deep · 99 km away
- 3.2237 km WSW of Adak, Alaska · 1001 days ago · 10 km deep · 98 km away
- 2.7222 km WSW of Adak, Alaska · 995 days ago · 10 km deep · 100 km away
- 2.8Rat Islands, Aleutian Islands, Alaska · 977 days ago · 10 km deep · 18 km away
- 3.0south of the Aleutian Islands · 967 days ago · 16 km deep · 47 km away
- 2.3228 km WSW of Adak, Alaska · 965 days ago · 13 km deep · 85 km away
- 2.1238 km WSW of Adak, Alaska · 961 days ago · 9 km deep · 96 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000m2zg (also filed as ak023ggbdwn8). Read Fri, Oct 2, 2026, 8:15 AM UTC.