Alaska earthquakes

M2.2 earthquake 18 km N of Chignik, Alaska

A magnitude 2.2 earthquake struck 18 km N of Chignik, Alaska on Thu, Sep 6, 2018, 6:28 PM AKDT (02:28 UTC), 86 km (53 mi) below the surface.

A larger quake followed: M5.0 34 km SSE 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), micro
Local time
UTC
2018-09-07 02:28:09 UTC
Depth
85.7 km (53.3 mi), intermediate-depth
Epicenter
56.460° N, 158.384° 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
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.164 km ESE of Perryville, Alaska · 2944 days ago · 25 km deep · 83 km away
  2. 2.060 km E of Port Heiden, Alaska · 2944 days ago · 4 km deep · 72 km away
  3. 2.241 km E of Chignik, Alaska · 2939 days ago · 62 km deep · 42 km away
  4. 2.351 km SSW of Ugashik, Alaska · 2939 days ago · 8 km deep · 83 km away
  5. 2.252 km S of Ugashik, Alaska · 2936 days ago · 6 km deep · 83 km away
  6. 2.165 km S of Ugashik, Alaska · 2935 days ago · 84 km deep · 76 km away
  7. 1.966 km SSE of Chignik, Alaska · 2933 days ago · 45 km deep · 84 km away
  8. 3.337 km ESE of Perryville, Alaska · 2930 days ago · 63 km deep · 75 km away
  9. 2.051 km ESE of Port Heiden, Alaska · 2928 days ago · 84 km deep · 47 km away
  10. 1.849 km E of Port Heiden, Alaska · 2922 days ago · 4 km deep · 67 km away
  11. 3.052 km SE of Perryville, Alaska · 2922 days ago · 49 km deep · 91 km away
  12. 2.529 km SE of Chignik, Alaska · 2919 days ago · 71 km deep · 44 km away
  13. 2.165 km ENE of Chignik, Alaska · 2915 days ago · 58 km deep · 60 km away
  14. 2.186 km SSE of Ugashik, Alaska · 2913 days ago · 75 km deep · 96 km away
  15. 5.034 km SSE of Perryville, Alaska · 2912 days ago · 48 km deep · 97 km away · tsunami flag
  16. 2.026 km SSE of Perryville, Alaska · 2912 days ago · 49 km deep · 94 km away
  17. 2.722 km SSE of Perryville, Alaska · 2910 days ago · 44 km deep · 91 km away
  18. 2.611 km WNW of Ivanof Bay, Alaska · 2907 days ago · 107 km deep · 98 km away
  19. 2.546 km E of Port Heiden, Alaska · 2907 days ago · 8 km deep · 66 km away
  20. 2.351 km SSW of Ugashik, Alaska · 2905 days ago · 7 km deep · 83 km away
  21. 2.459 km E of Chignik, Alaska · 2904 days ago · 72 km deep · 57 km away
  22. 2.348 km ENE of Port Heiden, Alaska · 2904 days ago · 3 km deep · 75 km away
  23. 2.142 km E of Port Heiden, Alaska · 2904 days ago · 106 km deep · 66 km away
  24. 2.665 km E of Chignik, Alaska · 2902 days ago · 56 km deep · 63 km away
  25. 2.492 km ENE of Chignik, Alaska · 2901 days ago · 53 km deep · 85 km away
  26. 2.717 km WNW of Chignik Lake, Alaska · 2895 days ago · 3 km deep · 43 km away
  27. 2.528 km W of Chignik Lake, Alaska · 2889 days ago · 8 km deep · 56 km away
  28. 2.277 km ENE of Chignik, Alaska · 2889 days ago · 73 km deep · 68 km away
  29. 2.937 km SE of Perryville, Alaska · 2889 days ago · 45 km deep · 93 km away

Before

  1. 2.325 km S of Chignik, Alaska · 2949 days ago · 70 km deep · 44 km away
  2. 2.054 km ESE of Chignik, Alaska · 2951 days ago · 40 km deep · 61 km away
  3. 1.731 km ENE of Chignik, Alaska · 2952 days ago · 67 km deep · 31 km away
  4. 2.744 km ESE of Chignik, Alaska · 2952 days ago · 54 km deep · 51 km away
  5. 2.458 km E of Port Heiden, Alaska · 2953 days ago · 93 km deep · 71 km away
  6. 1.778 km E of Chignik, Alaska · 2959 days ago · 67 km deep · 78 km away
  7. 1.821 km SE of Chignik, Alaska · 2966 days ago · 84 km deep · 38 km away
  8. 1.772 km SSE of Ugashik, Alaska · 2966 days ago · 102 km deep · 96 km away
  9. 2.515 km S of Chignik Lake, Alaska · 2967 days ago · 73 km deep · 43 km away
  10. 2.536 km SE of Perryville, Alaska · 2971 days ago · 48 km deep · 93 km away
  11. 3.0Alaska Peninsula · 2972 days ago · 132 km deep · 75 km away
  12. 2.96 km SSW of Chignik Lagoon, Alaska · 2975 days ago · 79 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aacse018bhhpnf5. Read Wed, Sep 30, 2026, 1:37 AM UTC.