Alaska earthquakes

M2.1 earthquake 116 km ENE of Chignik, Alaska

A magnitude 2.1 earthquake struck 116 km ENE of Chignik, Alaska on Thu, Oct 11, 2018, 1:14 AM AKDT (09:14 UTC), 81 km (50 mi) below the surface.

A larger quake followed: M3.2 54 km SE of Chignik, 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
2.1 (ml), micro
Local time
UTC
2018-10-11 09:14:33 UTC
Depth
81.0 km (50.3 mi), intermediate-depth
Epicenter
56.513° N, 156.564° 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
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 2.546 km E of Port Heiden, Alaska · 2906 days ago · 8 km deep · 95 km away
  2. 2.392 km WSW of Karluk, Alaska · 2905 days ago · 86 km deep · 88 km away
  3. 1.962 km SE of Ugashik, Alaska · 2904 days ago · 10 km deep · 62 km away
  4. 2.351 km SSW of Ugashik, Alaska · 2904 days ago · 7 km deep · 87 km away
  5. 2.459 km E of Chignik, Alaska · 2903 days ago · 72 km deep · 57 km away
  6. 2.142 km E of Port Heiden, Alaska · 2902 days ago · 106 km deep · 100 km away
  7. 2.865 km SSE of Ugashik, Alaska · 2902 days ago · 82 km deep · 57 km away
  8. 2.665 km E of Chignik, Alaska · 2901 days ago · 56 km deep · 50 km away
  9. 2.492 km ENE of Chignik, Alaska · 2900 days ago · 53 km deep · 32 km away
  10. 2.149 km SSE of Ugashik, Alaska · 2898 days ago · 103 km deep · 73 km away
  11. 2.562 km W of Akhiok, Alaska · 2896 days ago · 1 km deep · 94 km away
  12. 3.1103 km E of Chignik, Alaska · 2896 days ago · 54 km deep · 41 km away
  13. 2.074 km SE of Ugashik, Alaska · 2895 days ago · 73 km deep · 63 km away
  14. 2.298 km SSE of Ugashik, Alaska · 2895 days ago · 76 km deep · 24 km away
  15. 1.759 km W of Akhiok, Alaska · 2894 days ago · 18 km deep · 95 km away
  16. 2.293 km W of Akhiok, Alaska · 2892 days ago · 47 km deep · 63 km away
  17. 2.277 km ENE of Chignik, Alaska · 2888 days ago · 73 km deep · 48 km away
  18. 2.4115 km E of Chignik, Alaska · 2886 days ago · 77 km deep · 3 km away
  19. 2.7123 km WSW of Akhiok, Alaska · 2883 days ago · 61 km deep · 34 km away
  20. 3.254 km SE of Chignik, Alaska · 2882 days ago · 47 km deep · 90 km away
  21. 1.8123 km WSW of Akhiok, Alaska · 2880 days ago · 62 km deep · 31 km away
  22. 1.685 km W of Akhiok, Alaska · 2880 days ago · 31 km deep · 72 km away
  23. 3.2154 km ESE of Chignik, Alaska · 2880 days ago · 72 km deep · 82 km away
  24. 2.052 km ENE of Port Heiden, Alaska · 2880 days ago · 16 km deep · 97 km away
  25. 1.984 km SE of Ugashik, Alaska · 2872 days ago · 78 km deep · 52 km away
  26. 1.593 km SW of Karluk, Alaska · 2872 days ago · 41 km deep · 82 km away
  27. 2.577 km SE of Chignik, Alaska · 2869 days ago · 31 km deep · 98 km away
  28. 2.569 km SE of Chignik, Alaska · 2869 days ago · 1 km deep · 100 km away
  29. 1.993 km ESE of Ugashik, Alaska · 2869 days ago · 71 km deep · 90 km away
  30. 2.4120 km E of Chignik, Alaska · 2869 days ago · 78 km deep · 5 km away
  31. 2.078 km ESE of Ugashik, Alaska · 2861 days ago · 84 km deep · 95 km away
  32. 1.893 km ESE of Ugashik, Alaska · 2860 days ago · 68 km deep · 82 km away
  33. 2.0117 km SE of Ugashik, Alaska · 2856 days ago · 64 km deep · 25 km away

Before

  1. 2.186 km SSE of Ugashik, Alaska · 2912 days ago · 75 km deep · 37 km away
  2. 1.783 km W of Akhiok, Alaska · 2913 days ago · 61 km deep · 79 km away
  3. 2.067 km W of Akhiok, Alaska · 2913 days ago · 25 km deep · 97 km away
  4. 2.165 km ENE of Chignik, Alaska · 2914 days ago · 58 km deep · 52 km away
  5. 2.564 km SE of Ugashik, Alaska · 2920 days ago · 84 km deep · 72 km away
  6. 1.849 km E of Port Heiden, Alaska · 2921 days ago · 4 km deep · 92 km away
  7. 2.178 km SE of Ugashik, Alaska · 2924 days ago · 1 km deep · 61 km away
  8. 1.9118 km E of Chignik, Alaska · 2924 days ago · 5 km deep · 38 km away
  9. 2.073 km WSW of Akhiok, Alaska · 2927 days ago · 20 km deep · 81 km away
  10. 1.756 km SE of Ugashik, Alaska · 2927 days ago · 87 km deep · 77 km away
  11. 2.051 km ESE of Port Heiden, Alaska · 2927 days ago · 84 km deep · 84 km away
  12. 2.2132 km ESE of Chignik, Alaska · 2931 days ago · 70 km deep · 74 km away
  13. 1.574 km SW of Karluk, Alaska · 2932 days ago · 70 km deep · 100 km away
  14. 2.165 km S of Ugashik, Alaska · 2934 days ago · 84 km deep · 72 km away
  15. 1.890 km W of Akhiok, Alaska · 2935 days ago · 61 km deep · 74 km away
  16. 2.252 km S of Ugashik, Alaska · 2935 days ago · 6 km deep · 86 km away
  17. 1.549 km SE of Ugashik, Alaska · 2937 days ago · 106 km deep · 81 km away
  18. 1.9124 km SE of Ugashik, Alaska · 2937 days ago · 81 km deep · 29 km away
  19. 1.668 km WSW of Akhiok, Alaska · 2938 days ago · 11 km deep · 86 km away
  20. 2.351 km SSW of Ugashik, Alaska · 2938 days ago · 8 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018d1u2jbd (also filed as ak20285802, aacse018d1u2jbd). Read Tue, Sep 29, 2026, 12:44 AM UTC.