M2.6 earthquake 249 km SSW of Adak, Alaska
A magnitude 2.6 earthquake struck 249 km SSW of Adak, Alaska on Thu, Mar 12, 2020, 3:44 AM HADT (12:44 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.3 256 km SW 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
- 2.6 (ml), micro
- Local time
- UTC
- 2020-03-12 12:44:11 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 49.986° N, 178.542° 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 5.1 km horizontally, 2.0 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 305°, poorly surrounded by stations
- Stations used
- 20
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.3256 km SW of Adak, Alaska · 2390 days ago · 10 km deep · 47 km away
- 2.3Andreanof Islands, Aleutian Islands, Alaska · 2374 days ago · 25 km deep · 96 km away
- 2.0207 km SW of Adak, Alaska · 2339 days ago · 27 km deep · 42 km away
- 2.6157 km SSW of Adak, Alaska · 2337 days ago · 10 km deep · 97 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70008d9p (also filed as ak0203ba3ndn). Read Wed, Sep 30, 2026, 10:34 AM UTC.