Alaska earthquakes

M2.3 earthquake 140 km ESE of Chignik, Alaska

A magnitude 2.3 earthquake struck 140 km ESE of Chignik, Alaska on Thu, Apr 5, 2018, 1:07 AM AKDT (09:07 UTC), 59 km (36 mi) below the surface.

A larger quake followed: M3.3 128 km SW of Akhiok, 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
Alaska Earthquake Center
Local time
UTC
2018-04-05 09:07:15 UTC
Depth
58.5 km (36.4 mi), shallow
Epicenter
55.641° N, 156.478° 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
10

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 11 in the 30 days before it.

After

  1. 2.7133 km E of Chignik, Alaska · 3099 days ago · 61 km deep · 51 km away
  2. 2.360 km E of Chignik, Alaska · 3094 days ago · 46 km deep · 90 km away
  3. 2.6118 km SSE of Chignik, Alaska · 3089 days ago · 25 km deep · 66 km away
  4. 2.9153 km SW of Akhiok, Alaska · 3087 days ago · 37 km deep · 52 km away
  5. 3.3128 km SW of Akhiok, Alaska · 3085 days ago · 61 km deep · 75 km away
  6. 2.477 km SSE of Chignik, Alaska · 3084 days ago · 14 km deep · 81 km away
  7. 2.6133 km WSW of Akhiok, Alaska · 3083 days ago · 69 km deep · 90 km away
  8. 2.8121 km SE of Chignik, Alaska · 3077 days ago · 24 km deep · 38 km away
  9. 2.4118 km SE of Chignik, Alaska · 3070 days ago · 36 km deep · 27 km away
  10. 3.1114 km SE of Perryville, Alaska · 3068 days ago · 18 km deep · 96 km away
  11. 2.5158 km SW of Akhiok, Alaska · 3064 days ago · 29 km deep · 51 km away
  12. 2.7191 km SE of Chignik, Alaska · 3063 days ago · 20 km deep · 81 km away
  13. 1.866 km E of Chignik, Alaska · 3062 days ago · 57 km deep · 98 km away
  14. 1.8135 km SE of Chignik, Alaska · 3062 days ago · 9 km deep · 46 km away
  15. 2.5123 km SE of Chignik, Alaska · 3059 days ago · 23 km deep · 39 km away
  16. 2.8127 km SE of Chignik, Alaska · 3055 days ago · 16 km deep · 38 km away
  17. 2.5138 km E of Chignik, Alaska · 3054 days ago · 48 km deep · 60 km away
  18. 2.7100 km ESE of Chignik, Alaska · 3048 days ago · 43 km deep · 52 km away
  19. 2.6141 km ESE of Chignik, Alaska · 3048 days ago · 55 km deep · 19 km away
  20. 2.2140 km E of Chignik, Alaska · 3048 days ago · 29 km deep · 64 km away
  21. 2.4106 km E of Chignik, Alaska · 3048 days ago · 73 km deep · 87 km away
  22. 2.5136 km ESE of Chignik, Alaska · 3047 days ago · 48 km deep · 44 km away
  23. 2.966 km SE of Chignik, Alaska · 3047 days ago · 0 km deep · 82 km away
  24. 1.8111 km E of Chignik, Alaska · 3047 days ago · 14 km deep · 86 km away
  25. 2.4107 km ENE of Chignik, Alaska · 3044 days ago · 73 km deep · 100 km away
  26. 2.378 km ESE of Chignik, Alaska · 3044 days ago · 17 km deep · 63 km away
  27. 2.3126 km SSW of Akhiok, Alaska · 3042 days ago · 32 km deep · 94 km away

Before

  1. 1.966 km ESE of Chignik, Alaska · 3107 days ago · 49 km deep · 78 km away
  2. 2.3112 km SW of Akhiok, Alaska · 3110 days ago · 14 km deep · 94 km away
  3. 2.564 km SSE of Chignik, Alaska · 3111 days ago · 64 km deep · 98 km away
  4. 2.646 km SE of Chignik, Alaska · 3113 days ago · 56 km deep · 96 km away
  5. 2.4130 km SE of Chignik, Alaska · 3121 days ago · 14 km deep · 46 km away
  6. 2.1116 km E of Chignik, Alaska · 3123 days ago · 51 km deep · 55 km away
  7. 2.180 km E of Chignik, Alaska · 3123 days ago · 42 km deep · 91 km away
  8. 2.5112 km SE of Chignik, Alaska · 3123 days ago · 7 km deep · 46 km away
  9. 2.787 km ESE of Chignik, Alaska · 3125 days ago · 7 km deep · 53 km away
  10. 2.279 km ESE of Chignik, Alaska · 3125 days ago · 17 km deep · 61 km away
  11. 3.4103 km ESE of Chignik, Alaska · 3125 days ago · 11 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0184d9gelb (also filed as ak19173823). Read Fri, Oct 2, 2026, 6:00 AM UTC.