M2.8 earthquake 249 km SW of Adak, Alaska
A magnitude 2.8 earthquake struck 249 km SW of Adak, Alaska on Fri, Jan 13, 2023, 1:20 AM HAST (11:20 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.1 192 km WSW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.8 (ml), micro
- Local time
- UTC
- 2023-01-13 11:20:59 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 50.221° N, 179.031° 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, 2.0 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- Operator assigned
- Station coverage gap
- 274°, poorly surrounded by stations
- Stations used
- 16
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.0208 km WSW of Adak, Alaska · 1348 days ago · 10 km deep · 81 km away
- 4.1192 km WSW of Adak, Alaska · 1315 days ago · 35 km deep · 98 km away
Before
- 3.1Rat Islands, Aleutian Islands, Alaska · 1362 days ago · 10 km deep · 79 km away
- 2.9206 km WSW of Adak, Alaska · 1364 days ago · 35 km deep · 91 km away
- 3.9279 km SW of Adak, Alaska · 1371 days ago · 10 km deep · 31 km away
- 2.8207 km WSW of Adak, Alaska · 1372 days ago · 35 km deep · 91 km away
- 3.0183 km WSW of Adak, Alaska · 1377 days ago · 35 km deep · 99 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000jkd1 (also filed as ak023lons94). Read Wed, Sep 30, 2026, 11:34 AM UTC.