M3.0 earthquake 240 km SE of Akutan, Alaska
A magnitude 3.0 earthquake struck 240 km SE of Akutan, Alaska on Tue, Sep 12, 2023, 10:34 PM AKDT (06:34 UTC), 16 km (10 mi) below the surface.
A larger quake followed: M3.3 244 km SE of Akutan, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-09-13 06:34:36 UTC
- Depth
- 15.6 km (9.7 mi), shallow
- Epicenter
- 52.469° N, 163.482° 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 |
|---|---|---|---|
| 3.0 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.115 · 10 stations |
| 2.6 | 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 6.7 km horizontally, 9.4 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 258°, poorly surrounded by stations
- Stations used
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 7 in the 30 days before it.
After
- 2.9190 km SSE of Akutan, Alaska · 1113 days ago · 10 km deep · 74 km away
- 2.3Unimak Island region, Alaska · 1109 days ago · 11 km deep · 99 km away
- 3.3244 km SE of Akutan, Alaska · 1103 days ago · 10 km deep · 31 km away
- 3.0202 km SE of Akutan, Alaska · 1077 days ago · 10 km deep · 40 km away
- 3.2245 km S of False Pass, Alaska · 1074 days ago · 10 km deep · 50 km away
- 3.1166 km S of False Pass, Alaska · 1064 days ago · 35 km deep · 99 km away
Before
- 2.9210 km SSE of Akutan, Alaska · 1119 days ago · 10 km deep · 38 km away
- 2.0142 km SSE of Akutan, Alaska · 1125 days ago · 18 km deep · 100 km away
- 2.6194 km SE of Akutan, Alaska · 1134 days ago · 10 km deep · 46 km away
- 2.9183 km SSE of Akutan, Alaska · 1136 days ago · 10 km deep · 78 km away
- 2.1204 km SSE of Akutan, Alaska · 1142 days ago · 12 km deep · 43 km away
- 2.5184 km SE of Akutan, Alaska · 1144 days ago · 10 km deep · 57 km away
- 2.6228 km SSE of False Pass, Alaska · 1145 days ago · 10 km deep · 96 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000lbga (also filed as ak023brhctbu). Read Mon, Oct 5, 2026, 4:26 AM UTC.