M2.6 earthquake 189 km SSE of Adak, Alaska
A magnitude 2.6 earthquake struck 189 km SSE of Adak, Alaska on Mon, Feb 15, 2016, 12:12 PM HAST (22:12 UTC), 20 km (12 mi) below the surface.
A larger quake followed: M2.8 203 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
- 2.6 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-02-15 22:12:23 UTC
- Depth
- 20.0 km (12.4 mi), shallow
- Epicenter
- 50.357° N, 175.410° 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 11.4 km horizontally, 2.0 km in depth
- Depth from
- Operator assigned
- Stations used
- 11
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.3164 km S of Atka, Alaska · 3879 days ago · 8 km deep · 99 km away
- 2.2184 km SE of Adak, Alaska · 3872 days ago · 10 km deep · 30 km away
- 2.8203 km S of Atka, Alaska · 3872 days ago · 4 km deep · 53 km away
- 2.3189 km S of Atka, Alaska · 3872 days ago · 25 km deep · 63 km away
- 2.3130 km SSW of Atka, Alaska · 3863 days ago · 7 km deep · 91 km away
- 2.5225 km S of Atka, Alaska · 3850 days ago · 29 km deep · 65 km away
- 2.0149 km S of Adak, Alaska · 3846 days ago · 5 km deep · 63 km away
- 2.3168 km S of Atka, Alaska · 3833 days ago · 17 km deep · 87 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10004sw7 (also filed as ak12828295). Read Mon, Oct 5, 2026, 1:19 PM UTC.