Alaska earthquakes

M2.5 earthquake 65 km W of False Pass, Alaska

A magnitude 2.5 earthquake struck 65 km W of False Pass, Alaska on Sat, Feb 20, 2016, 6:03 AM AKST (15:03 UTC), 138 km (86 mi) below the surface.

A larger quake followed: M4.1 84 km NW of Cold Bay, Alaska. This one was a foreshock.

Akutan forecastMore in Alaska

Map

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
USGS National Earthquake Information Center
Local time
UTC
2016-02-20 15:03:37 UTC
Depth
138.0 km (85.7 mi), intermediate-depth
Epicenter
54.880° N, 164.424° 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.ScaleComputed byNotes
2.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · 11 stations
2.5ML, local (Richter)Alaska Earthquake CenterPreliminary

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.

Location uncertainty
About 15.2 km horizontally, 5.8 km in depth
Stations used
11

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 30 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.128 km S of False Pass, Alaska · 3878 days ago · 7 km deep · 69 km away
  2. 2.390 km E of Akutan, Alaska · 3878 days ago · 60 km deep · 99 km away
  3. 3.234 km NE of Akutan, Alaska · 3876 days ago · 87 km deep · 86 km away
  4. 2.377 km E of Akutan, Alaska · 3875 days ago · 50 km deep · 97 km away
  5. 2.1100 km SSW of False Pass, Alaska · 3871 days ago · 48 km deep · 96 km away
  6. 2.979 km E of Akutan, Alaska · 3870 days ago · 72 km deep · 71 km away
  7. 2.371 km SSW of False Pass, Alaska · 3868 days ago · 54 km deep · 79 km away
  8. 2.381 km SSW of False Pass, Alaska · 3867 days ago · 56 km deep · 88 km away
  9. 2.094 km E of Akutan, Alaska · 3866 days ago · 58 km deep · 89 km away
  10. 2.853 km SSE of False Pass, Alaska · 3864 days ago · 74 km deep · 98 km away
  11. 3.491 km SSW of False Pass, Alaska · 3858 days ago · 32 km deep · 84 km away
  12. 1.941 km SSW of False Pass, Alaska · 3853 days ago · 82 km deep · 61 km away
  13. 2.815 km N of False Pass, Alaska · 3849 days ago · 161 km deep · 68 km away
  14. 2.325 km ENE of Akutan, Alaska · 3849 days ago · 89 km deep · 97 km away
  15. 2.268 km S of False Pass, Alaska · 3848 days ago · 39 km deep · 93 km away
  16. 4.184 km NW of Cold Bay, Alaska · 3848 days ago · 183 km deep · 94 km away
  17. 2.462 km S of False Pass, Alaska · 3847 days ago · 61 km deep · 87 km away
  18. 2.099 km SSW of False Pass, Alaska · 3845 days ago · 64 km deep · 90 km away
  19. 1.8Unimak Island region, Alaska · 3845 days ago · 62 km deep · 83 km away
  20. 2.116 km SW of False Pass, Alaska · 3844 days ago · 18 km deep · 54 km away
  21. 2.344 km SSE of False Pass, Alaska · 3844 days ago · 70 km deep · 96 km away
  22. 2.278 km ENE of Akutan, Alaska · 3833 days ago · 79 km deep · 61 km away
  23. 2.186 km E of Akutan, Alaska · 3833 days ago · 64 km deep · 84 km away
  24. 2.250 km SSW of False Pass, Alaska · 3832 days ago · 18 km deep · 59 km away
  25. 2.799 km SSW of False Pass, Alaska · 3830 days ago · 29 km deep · 90 km away
  26. 2.785 km E of Akutan, Alaska · 3830 days ago · 64 km deep · 86 km away
  27. 2.537 km S of False Pass, Alaska · 3829 days ago · 9 km deep · 74 km away
  28. 2.477 km E of Akutan, Alaska · 3828 days ago · 71 km deep · 79 km away
  29. 2.192 km SSW of False Pass, Alaska · 3826 days ago · 21 km deep · 88 km away
  30. 2.293 km SSW of False Pass, Alaska · 3826 days ago · 26 km deep · 87 km away

Before

  1. 2.182 km E of Akutan, Alaska · 3879 days ago · 13 km deep · 70 km away
  2. 2.154 km SSW of False Pass, Alaska · 3883 days ago · 96 km deep · 64 km away
  3. 2.485 km ENE of Akutan, Alaska · 3885 days ago · 2 km deep · 41 km away
  4. 1.994 km SSW of False Pass, Alaska · 3886 days ago · 27 km deep · 89 km away
  5. 2.498 km E of Akutan, Alaska · 3890 days ago · 29 km deep · 98 km away
  6. 2.730 km W of False Pass, Alaska · 3894 days ago · 141 km deep · 35 km away
  7. 2.515 km SE of False Pass, Alaska · 3898 days ago · 103 km deep · 77 km away
  8. 2.053 km SSW of False Pass, Alaska · 3905 days ago · 58 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10004tee (also filed as ak12909016, ak0162clcxa7). Read Sun, Oct 4, 2026, 5:44 AM UTC.