Alaska earthquakes

M2.3 earthquake 99 km SE of Chignik, Alaska

A magnitude 2.3 earthquake struck 99 km SE of Chignik, Alaska on Mon, Oct 8, 2018, 1:35 AM AKDT (09:35 UTC), 12 km (8 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
2.3 (ML, local (Richter)), micro
Magnitude from
AACSE
Local time
UTC
2018-10-08 09:35:15 UTC
Depth
12.3 km (7.6 mi), shallow
Epicenter
55.561° N, 157.481° 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
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.566 km SE of Perryville, Alaska · 2916 days ago · 40 km deep · 69 km away
  2. 5.034 km SSE of Perryville, Alaska · 2915 days ago · 48 km deep · 89 km away · tsunami flag
  3. 2.026 km SSE of Perryville, Alaska · 2915 days ago · 49 km deep · 95 km away
  4. 2.722 km SSE of Perryville, Alaska · 2914 days ago · 44 km deep · 98 km away
  5. 2.463 km SE of Perryville, Alaska · 2908 days ago · 15 km deep · 63 km away
  6. 2.459 km E of Chignik, Alaska · 2907 days ago · 72 km deep · 93 km away
  7. 2.665 km E of Chignik, Alaska · 2905 days ago · 56 km deep · 94 km away
  8. 2.4139 km SSE of Perryville, Alaska · 2905 days ago · 30 km deep · 86 km away
  9. 2.671 km SE of Perryville, Alaska · 2904 days ago · 17 km deep · 67 km away
  10. 3.1103 km E of Chignik, Alaska · 2900 days ago · 54 km deep · 81 km away
  11. 2.484 km SSE of Perryville, Alaska · 2896 days ago · 26 km deep · 91 km away
  12. 2.8129 km SE of Chignik, Alaska · 2892 days ago · 30 km deep · 41 km away
  13. 2.937 km SE of Perryville, Alaska · 2892 days ago · 45 km deep · 81 km away
  14. 3.254 km SE of Chignik, Alaska · 2886 days ago · 47 km deep · 52 km away
  15. 3.2154 km ESE of Chignik, Alaska · 2884 days ago · 72 km deep · 93 km away
  16. 2.5128 km SSE of Perryville, Alaska · 2884 days ago · 30 km deep · 95 km away
  17. 2.216 km S of Chignik, Alaska · 2880 days ago · 66 km deep · 89 km away
  18. 2.7115 km SSE of Perryville, Alaska · 2877 days ago · 28 km deep · 82 km away
  19. 2.577 km SE of Chignik, Alaska · 2874 days ago · 31 km deep · 28 km away
  20. 3.680 km SE of Chignik, Alaska · 2874 days ago · 10 km deep · 24 km away
  21. 2.569 km SE of Chignik, Alaska · 2874 days ago · 1 km deep · 32 km away
  22. 2.969 km SE of Chignik, Alaska · 2874 days ago · 35 km deep · 32 km away
  23. 2.696 km SSE of Perryville, Alaska · 2871 days ago · 36 km deep · 82 km away
  24. 2.897 km SE of Perryville, Alaska · 2868 days ago · 32 km deep · 64 km away
  25. 2.528 km SSE of Perryville, Alaska · 2867 days ago · 48 km deep · 93 km away
  26. 2.5120 km SE of Perryville, Alaska · 2866 days ago · 20 km deep · 46 km away
  27. 2.818 km ESE of Chignik, Alaska · 2866 days ago · 51 km deep · 85 km away

Before

  1. 2.7122 km SSE of Perryville, Alaska · 2921 days ago · 31 km deep · 89 km away
  2. 3.7128 km SSE of Perryville, Alaska · 2921 days ago · 20 km deep · 88 km away
  3. 2.8128 km SSE of Perryville, Alaska · 2921 days ago · 26 km deep · 87 km away
  4. 2.554 km SSE of Perryville, Alaska · 2922 days ago · 21 km deep · 80 km away
  5. 2.529 km SE of Chignik, Alaska · 2923 days ago · 71 km deep · 70 km away
  6. 2.869 km SSE of Perryville, Alaska · 2923 days ago · 40 km deep · 95 km away
  7. 3.052 km SE of Perryville, Alaska · 2925 days ago · 49 km deep · 62 km away
  8. 1.9118 km E of Chignik, Alaska · 2928 days ago · 5 km deep · 92 km away
  9. 3.337 km ESE of Perryville, Alaska · 2933 days ago · 63 km deep · 74 km away
  10. 2.2132 km ESE of Chignik, Alaska · 2936 days ago · 70 km deep · 74 km away
  11. 1.966 km SSE of Chignik, Alaska · 2937 days ago · 45 km deep · 44 km away
  12. 2.241 km E of Chignik, Alaska · 2943 days ago · 62 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aacse018cwvkyh7. Read Sat, Oct 3, 2026, 6:20 AM UTC.