Alaska earthquakes

M2.3 earthquake 174 km SSE of Adak, Alaska

A magnitude 2.3 earthquake struck 174 km SSE of Adak, Alaska on Fri, Feb 5, 2016, 7:51 PM HAST (05:51 UTC), 39 km (24 mi) below the surface.

A larger quake followed: M2.8 203 km S of Atka, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2016-02-06 05:51:55 UTC
Depth
38.8 km (24.1 mi), shallow
Epicenter
50.496° N, 175.450° 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.

Stations used
10

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.2196 km S of Atka, Alaska · 3889 days ago · 13 km deep · 61 km away
  2. 2.6189 km SSE of Adak, Alaska · 3885 days ago · 20 km deep · 16 km away
  3. 2.3164 km S of Atka, Alaska · 3878 days ago · 8 km deep · 96 km away
  4. 2.2184 km SE of Adak, Alaska · 3872 days ago · 10 km deep · 26 km away
  5. 2.8203 km S of Atka, Alaska · 3872 days ago · 4 km deep · 57 km away
  6. 2.3189 km S of Atka, Alaska · 3871 days ago · 25 km deep · 64 km away
  7. 1.796 km SE of Adak, Alaska · 3871 days ago · 26 km deep · 97 km away
  8. 2.3130 km SSW of Atka, Alaska · 3863 days ago · 7 km deep · 79 km away
  9. 2.079 km SSE of Adak, Alaska · 3863 days ago · 20 km deep · 100 km away
  10. 2.179 km SSE of Adak, Alaska · 3863 days ago · 40 km deep · 98 km away
  11. 2.0132 km S of Atka, Alaska · 3853 days ago · 5 km deep · 99 km away
  12. 2.5225 km S of Atka, Alaska · 3850 days ago · 29 km deep · 73 km away
  13. 1.985 km SSE of Adak, Alaska · 3849 days ago · 26 km deep · 91 km away
  14. 2.0149 km S of Adak, Alaska · 3846 days ago · 5 km deep · 56 km away
  15. 1.8112 km SSW of Atka, Alaska · 3837 days ago · 26 km deep · 96 km away

Before

  1. 1.9140 km SSE of Adak, Alaska · 3899 days ago · 18 km deep · 34 km away
  2. 2.1Andreanof Islands, Aleutian Islands, Alaska · 3899 days ago · 20 km deep · 14 km away
  3. 2.9118 km SSW of Atka, Alaska · 3902 days ago · 23 km deep · 91 km away
  4. 1.991 km S of Adak, Alaska · 3905 days ago · 18 km deep · 94 km away
  5. 2.689 km SSE of Adak, Alaska · 3915 days ago · 26 km deep · 87 km away
  6. 2.0117 km SE of Adak, Alaska · 3919 days ago · 55 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0161pa623p (also filed as ak12858996). Read Mon, Oct 5, 2026, 11:39 AM UTC.