Alaska earthquakes

M2.5 earthquake 181 km SSE of Atka, Alaska

A magnitude 2.5 earthquake struck 181 km SSE of Atka, Alaska on Sun, Jan 3, 2016, 4:35 PM HAST (02:35 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.0 157 km SSE 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
2.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2016-01-04 02:35:53 UTC
Depth
10.8 km (6.7 mi), shallow
Epicenter
50.635° N, 173.448° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
12

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 2.6140 km SE of Atka, Alaska · 3919 days ago · 29 km deep · 86 km away
  2. 2.4136 km S of Atka, Alaska · 3901 days ago · 21 km deep · 65 km away
  3. 2.7208 km SSE of Atka, Alaska · 3899 days ago · 19 km deep · 62 km away
  4. 2.5180 km SSE of Atka, Alaska · 3899 days ago · 29 km deep · 14 km away
  5. 2.3194 km SE of Atka, Alaska · 3894 days ago · 34 km deep · 81 km away
  6. 2.4105 km SSE of Atka, Alaska · 3892 days ago · 10 km deep · 85 km away
  7. 2.2196 km S of Atka, Alaska · 3889 days ago · 13 km deep · 84 km away
  8. 2.8106 km SE of Atka, Alaska · 3889 days ago · 26 km deep · 97 km away
  9. 4.0157 km SSE of Atka, Alaska · 3887 days ago · 27 km deep · 28 km away
  10. 2.2156 km SSE of Atka, Alaska · 3887 days ago · 10 km deep · 29 km away
  11. 2.1102 km S of Atka, Alaska · 3884 days ago · 24 km deep · 93 km away
  12. 2.3100 km S of Atka, Alaska · 3884 days ago · 15 km deep · 93 km away
  13. 2.5160 km S of Atka, Alaska · 3882 days ago · 5 km deep · 44 km away
  14. 2.3164 km S of Atka, Alaska · 3878 days ago · 8 km deep · 49 km away
  15. 2.8203 km S of Atka, Alaska · 3871 days ago · 4 km deep · 90 km away
  16. 2.3189 km S of Atka, Alaska · 3871 days ago · 25 km deep · 79 km away

Before

  1. 3.8102 km SSE of Atka, Alaska · 3944 days ago · 12 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0166njvef (also filed as ak12441431). Read Mon, Oct 5, 2026, 9:33 AM UTC.