Alaska earthquakes

M2.5 earthquake 69 km SE of Chignik, Alaska

A magnitude 2.5 earthquake struck 69 km SE of Chignik, Alaska on Tue, Nov 20, 2018, 9:02 AM AKST (18:02 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.5 109 km SE 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
2.5 (ml), micro
Local time
UTC
2018-11-20 18:02:13 UTC
Depth
1.2 km (0.7 mi), shallow
Epicenter
55.840° N, 157.635° 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
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.969 km SE of Chignik, Alaska · 2869 days ago · 35 km deep · 3 km away
  2. 2.696 km SSE of Perryville, Alaska · 2866 days ago · 36 km deep · 97 km away
  3. 2.897 km SE of Perryville, Alaska · 2863 days ago · 32 km deep · 82 km away
  4. 2.528 km SSE of Perryville, Alaska · 2862 days ago · 48 km deep · 85 km away
  5. 2.5120 km SE of Perryville, Alaska · 2861 days ago · 20 km deep · 74 km away
  6. 2.818 km ESE of Chignik, Alaska · 2861 days ago · 51 km deep · 53 km away
  7. 2.713 km SSE of Perryville, Alaska · 2856 days ago · 56 km deep · 91 km away
  8. 3.251 km SSE of Perryville, Alaska · 2851 days ago · 58 km deep · 76 km away
  9. 2.530 km S of Perryville, Alaska · 2844 days ago · 52 km deep · 97 km away
  10. 2.598 km E of Chignik, Alaska · 2842 days ago · 6 km deep · 65 km away
  11. 2.397 km ENE of Chignik, Alaska · 2841 days ago · 4 km deep · 98 km away
  12. 1.860 km SSE of Perryville, Alaska · 2840 days ago · 15 km deep · 77 km away
  13. 2.550 km E of Chignik, Alaska · 2837 days ago · 47 km deep · 51 km away
  14. 2.8108 km SE of Perryville, Alaska · 2835 days ago · 54 km deep · 54 km away
  15. 2.4Alaska Peninsula · 2835 days ago · 62 km deep · 68 km away
  16. 2.498 km ENE of Chignik, Alaska · 2834 days ago · 36 km deep · 89 km away
  17. 2.4146 km ESE of Chignik, Alaska · 2832 days ago · 43 km deep · 98 km away
  18. 3.022 km S of Chignik, Alaska · 2830 days ago · 64 km deep · 54 km away
  19. 2.884 km ENE of Chignik, Alaska · 2828 days ago · 83 km deep · 84 km away
  20. 2.4122 km SE of Perryville, Alaska · 2825 days ago · 22 km deep · 75 km away
  21. 3.5109 km SE of Perryville, Alaska · 2824 days ago · 37 km deep · 70 km away · felt by 1
  22. 2.3125 km SE of Perryville, Alaska · 2821 days ago · 14 km deep · 83 km away
  23. 2.2129 km E of Chignik, Alaska · 2821 days ago · 58 km deep · 87 km away
  24. 2.6Alaska Peninsula · 2817 days ago · 51 km deep · 30 km away
  25. 2.771 km SE of Perryville, Alaska · 2813 days ago · 29 km deep · 69 km away
  26. 2.98 km NNW of Perryville, Alaska · 2811 days ago · 77 km deep · 99 km away

Before

  1. 3.680 km SE of Chignik, Alaska · 2869 days ago · 10 km deep · 11 km away
  2. 2.577 km SE of Chignik, Alaska · 2869 days ago · 31 km deep · 8 km away
  3. 2.216 km S of Chignik, Alaska · 2875 days ago · 66 km deep · 61 km away
  4. 2.718 km S of Chignik Lake, Alaska · 2877 days ago · 77 km deep · 77 km away
  5. 3.2154 km ESE of Chignik, Alaska · 2879 days ago · 72 km deep · 97 km away
  6. 3.254 km SE of Chignik, Alaska · 2882 days ago · 47 km deep · 19 km away
  7. 2.416 km NE of Perryville, Alaska · 2883 days ago · 80 km deep · 87 km away
  8. 2.4115 km E of Chignik, Alaska · 2886 days ago · 77 km deep · 98 km away
  9. 2.937 km SE of Perryville, Alaska · 2887 days ago · 45 km deep · 74 km away
  10. 2.277 km ENE of Chignik, Alaska · 2888 days ago · 73 km deep · 91 km away
  11. 2.8129 km SE of Chignik, Alaska · 2888 days ago · 30 km deep · 60 km away
  12. 3.1103 km E of Chignik, Alaska · 2895 days ago · 54 km deep · 65 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ew4upd5 (also filed as ak20384706, us1000hz2a, aacse018ew4upd5). Read Mon, Sep 28, 2026, 9:23 AM UTC.