Alaska earthquakes

M2.2 earthquake 41 km E of Chignik, Alaska

A magnitude 2.2 earthquake struck 41 km E of Chignik, Alaska on Wed, Sep 12, 2018, 6:38 AM AKDT (14:38 UTC), 62 km (38 mi) below the surface.

A larger quake followed: M3.3 37 km ESE of Perryville, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-09-12 14:38:30 UTC
Depth
61.9 km (38.5 mi), shallow
Epicenter
56.340° N, 157.735° 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
2.2ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.2ML, local (Richter)AACSEPreliminary

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
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 35 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 2.351 km SSW of Ugashik, Alaska · 2941 days ago · 8 km deep · 81 km away
  2. 2.252 km S of Ugashik, Alaska · 2937 days ago · 6 km deep · 80 km away
  3. 2.165 km S of Ugashik, Alaska · 2936 days ago · 84 km deep · 67 km away
  4. 1.966 km SSE of Chignik, Alaska · 2935 days ago · 45 km deep · 73 km away
  5. 2.2132 km ESE of Chignik, Alaska · 2934 days ago · 70 km deep · 98 km away
  6. 3.337 km ESE of Perryville, Alaska · 2931 days ago · 63 km deep · 80 km away
  7. 2.051 km ESE of Port Heiden, Alaska · 2930 days ago · 84 km deep · 48 km away
  8. 1.9118 km E of Chignik, Alaska · 2927 days ago · 5 km deep · 79 km away
  9. 1.849 km E of Port Heiden, Alaska · 2924 days ago · 4 km deep · 70 km away
  10. 3.052 km SE of Perryville, Alaska · 2923 days ago · 49 km deep · 90 km away
  11. 2.529 km SE of Chignik, Alaska · 2921 days ago · 71 km deep · 35 km away
  12. 2.165 km ENE of Chignik, Alaska · 2917 days ago · 58 km deep · 26 km away
  13. 2.399 km SE of Chignik, Alaska · 2915 days ago · 12 km deep · 88 km away
  14. 2.186 km SSE of Ugashik, Alaska · 2915 days ago · 75 km deep · 69 km away
  15. 2.1116 km ENE of Chignik, Alaska · 2912 days ago · 81 km deep · 75 km away
  16. 2.546 km E of Port Heiden, Alaska · 2908 days ago · 8 km deep · 72 km away
  17. 1.962 km SE of Ugashik, Alaska · 2907 days ago · 10 km deep · 98 km away
  18. 2.351 km SSW of Ugashik, Alaska · 2906 days ago · 7 km deep · 81 km away
  19. 2.459 km E of Chignik, Alaska · 2906 days ago · 72 km deep · 18 km away
  20. 2.348 km ENE of Port Heiden, Alaska · 2905 days ago · 3 km deep · 82 km away
  21. 2.142 km E of Port Heiden, Alaska · 2905 days ago · 106 km deep · 75 km away
  22. 2.865 km SSE of Ugashik, Alaska · 2904 days ago · 82 km deep · 85 km away
  23. 2.665 km E of Chignik, Alaska · 2904 days ago · 56 km deep · 24 km away
  24. 2.492 km ENE of Chignik, Alaska · 2903 days ago · 53 km deep · 54 km away
  25. 2.149 km SSE of Ugashik, Alaska · 2901 days ago · 103 km deep · 99 km away
  26. 3.1103 km E of Chignik, Alaska · 2898 days ago · 54 km deep · 63 km away
  27. 2.298 km SSE of Ugashik, Alaska · 2897 days ago · 76 km deep · 76 km away
  28. 2.717 km WNW of Chignik Lake, Alaska · 2897 days ago · 3 km deep · 79 km away
  29. 2.528 km W of Chignik Lake, Alaska · 2891 days ago · 8 km deep · 92 km away
  30. 2.277 km ENE of Chignik, Alaska · 2891 days ago · 73 km deep · 42 km away
  31. 2.937 km SE of Perryville, Alaska · 2890 days ago · 45 km deep · 100 km away
  32. 2.4115 km E of Chignik, Alaska · 2889 days ago · 77 km deep · 74 km away
  33. 2.416 km NE of Perryville, Alaska · 2886 days ago · 80 km deep · 85 km away
  34. 3.254 km SE of Chignik, Alaska · 2885 days ago · 47 km deep · 37 km away
  35. 2.052 km ENE of Port Heiden, Alaska · 2882 days ago · 16 km deep · 81 km away

Before

  1. 2.060 km E of Port Heiden, Alaska · 2945 days ago · 4 km deep · 69 km away
  2. 2.164 km ESE of Perryville, Alaska · 2945 days ago · 25 km deep · 74 km away
  3. 2.218 km N of Chignik, Alaska · 2946 days ago · 86 km deep · 42 km away
  4. 2.325 km S of Chignik, Alaska · 2951 days ago · 70 km deep · 53 km away
  5. 2.2133 km E of Chignik, Alaska · 2952 days ago · 62 km deep · 92 km away
  6. 2.054 km ESE of Chignik, Alaska · 2953 days ago · 40 km deep · 21 km away
  7. 1.731 km ENE of Chignik, Alaska · 2953 days ago · 67 km deep · 11 km away
  8. 2.0south of Alaska · 2953 days ago · 47 km deep · 97 km away
  9. 2.744 km ESE of Chignik, Alaska · 2954 days ago · 54 km deep · 17 km away
  10. 2.458 km E of Port Heiden, Alaska · 2954 days ago · 93 km deep · 69 km away
  11. 1.778 km E of Chignik, Alaska · 2961 days ago · 67 km deep · 37 km away
  12. 2.0133 km E of Chignik, Alaska · 2967 days ago · 80 km deep · 92 km away
  13. 1.821 km SE of Chignik, Alaska · 2967 days ago · 84 km deep · 37 km away
  14. 1.772 km SSE of Ugashik, Alaska · 2967 days ago · 102 km deep · 76 km away
  15. 2.5116 km SSE of Ugashik, Alaska · 2968 days ago · 57 km deep · 81 km away
  16. 2.515 km S of Chignik Lake, Alaska · 2968 days ago · 73 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018bpylryg (also filed as aacse018bpylryg). Read Thu, Oct 1, 2026, 12:42 PM UTC.