M2.6 earthquake 275 km SW of Adak, Alaska
A magnitude 2.6 earthquake struck 275 km SW of Adak, Alaska on Wed, Jan 24, 2018, 1:10 AM GMT-12 (13:10 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.8 Rat 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
- 2.6 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-01-24 13:10:03 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 50.117° N, 179.403° 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 |
|---|---|---|---|
| 2.6 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed |
| 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 5.9 km horizontally, 2.0 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 272°, poorly surrounded by stations
- Stations used
- 20
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
- 2.2256 km SW of Adak, Alaska · 3173 days ago · 13 km deep · 48 km away
- 2.6271 km SW of Adak, Alaska · 3168 days ago · 10 km deep · 15 km away
- 2.8241 km SSW of Adak, Alaska · 3160 days ago · 10 km deep · 75 km away
- 3.8Rat Islands, Aleutian Islands, Alaska · 3144 days ago · 27 km deep · 82 km away
- 3.2south of the Aleutian Islands · 3144 days ago · 27 km deep · 98 km away
- 2.5210 km WSW of Adak, Alaska · 3139 days ago · 30 km deep · 90 km away
- 2.8228 km WSW of Adak, Alaska · 3125 days ago · 30 km deep · 99 km away
- 3.5266 km SW of Adak, Alaska · 3113 days ago · 21 km deep · 9 km away
- 3.2268 km SW of Adak, Alaska · 3113 days ago · 10 km deep · 10 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000cf26 (also filed as ak18300188, ak01813wp4e2). Read Fri, Oct 2, 2026, 3:18 AM UTC.