M2.3 earthquake 224 km SSE of Adak, Alaska
A magnitude 2.3 earthquake struck 224 km SSE of Adak, Alaska on Sun, Dec 24, 2023, 3:59 AM HAST (13:59 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.0 207 km S of Atka, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.3 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-12-24 13:59:28 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 50.172° N, 174.908° 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 |
|---|---|---|---|
| 2.3 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.128 · 8 stations |
| 2.7 | 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 4.5 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- Operator assigned
- Station coverage gap
- 299°, poorly surrounded by stations
- Stations used
- 12
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 6 in the 30 days before it.
After
- 2.7182 km S of Atka, Alaska · 1012 days ago · 10 km deep · 81 km away
- 3.0207 km S of Atka, Alaska · 1004 days ago · 10 km deep · 28 km away
- 2.8195 km SE of Adak, Alaska · 972 days ago · 10 km deep · 33 km away
- 2.4142 km S of Atka, Alaska · 963 days ago · 6 km deep · 94 km away
- 2.8202 km SSW of Atka, Alaska · 962 days ago · 6 km deep · 28 km away
- 2.7172 km S of Atka, Alaska · 957 days ago · 10 km deep · 97 km away
Before
- 2.7178 km S of Atka, Alaska · 1013 days ago · 10 km deep · 84 km away
- 2.8185 km S of Atka, Alaska · 1024 days ago · 10 km deep · 47 km away
- 3.8177 km SSE of Adak, Alaska · 1029 days ago · 10 km deep · 48 km away
- 2.3129 km SSE of Adak, Alaska · 1033 days ago · 29 km deep · 95 km away
- 2.5181 km S of Adak, Alaska · 1035 days ago · 10 km deep · 91 km away
- 3.2198 km SE of Adak, Alaska · 1041 days ago · 10 km deep · 32 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000m2zd (also filed as ak023ggahl2t). Read Thu, Oct 1, 2026, 1:01 PM UTC.