Alaska earthquakes

M2.1 earthquake 243 km WSW of Adak, Alaska

A magnitude 2.1 earthquake struck 243 km WSW of Adak, Alaska on Wed, May 23, 2018, 10:57 PM GMT-12 (10:57 UTC), 22 km (13 mi) below the surface.

A larger quake followed: M4.2 211 km WSW of Adak, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-05-24 10:57:50 UTC
Depth
21.6 km (13.4 mi), shallow
Epicenter
51.257° N, 179.998° 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
8

Nearby

Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 28 in the 30 days before it.

After

  1. 2.4238 km WSW of Adak, Alaska · 3052 days ago · 6 km deep · 29 km away
  2. 2.6Rat Islands, Aleutian Islands, Alaska · 3052 days ago · 23 km deep · 65 km away
  3. 3.3Rat Islands, Aleutian Islands, Alaska · 3052 days ago · 46 km deep · 91 km away
  4. 2.1209 km WSW of Adak, Alaska · 3052 days ago · 53 km deep · 38 km away
  5. 2.8199 km W of Adak, Alaska · 3051 days ago · 94 km deep · 60 km away
  6. 2.5281 km WSW of Adak, Alaska · 3049 days ago · 63 km deep · 44 km away
  7. 2.8216 km W of Adak, Alaska · 3049 days ago · 80 km deep · 44 km away
  8. 2.4276 km W of Adak, Alaska · 3048 days ago · 61 km deep · 52 km away
  9. 2.6274 km W of Adak, Alaska · 3047 days ago · 77 km deep · 55 km away
  10. 2.3253 km W of Adak, Alaska · 3046 days ago · 73 km deep · 46 km away
  11. 2.4Rat Islands, Aleutian Islands, Alaska · 3046 days ago · 59 km deep · 75 km away
  12. 3.3223 km W of Adak, Alaska · 3044 days ago · 87 km deep · 45 km away
  13. 2.9Rat Islands, Aleutian Islands, Alaska · 3042 days ago · 40 km deep · 87 km away
  14. 2.2251 km W of Adak, Alaska · 3042 days ago · 67 km deep · 37 km away
  15. 2.6241 km W of Adak, Alaska · 3041 days ago · 12 km deep · 34 km away
  16. 1.9203 km WSW of Adak, Alaska · 3041 days ago · 15 km deep · 40 km away
  17. 1.9272 km WSW of Adak, Alaska · 3041 days ago · 21 km deep · 30 km away
  18. 1.5229 km WSW of Adak, Alaska · 3040 days ago · 20 km deep · 17 km away
  19. 1.7188 km WSW of Adak, Alaska · 3040 days ago · 26 km deep · 56 km away
  20. 1.6216 km W of Adak, Alaska · 3040 days ago · 13 km deep · 51 km away
  21. 2.0187 km WSW of Adak, Alaska · 3040 days ago · 26 km deep · 59 km away
  22. 1.6Rat Islands, Aleutian Islands, Alaska · 3039 days ago · 56 km deep · 89 km away
  23. 1.9Rat Islands, Aleutian Islands, Alaska · 3039 days ago · 18 km deep · 60 km away
  24. 1.6296 km WSW of Adak, Alaska · 3039 days ago · 22 km deep · 53 km away
  25. 1.6231 km W of Adak, Alaska · 3039 days ago · 71 km deep · 39 km away
  26. 1.9235 km WSW of Adak, Alaska · 3039 days ago · 26 km deep · 14 km away
  27. 2.1147 km WSW of Adak, Alaska · 3038 days ago · 65 km deep · 95 km away
  28. 2.2235 km W of Adak, Alaska · 3037 days ago · 94 km deep · 55 km away
  29. 3.6278 km W of Adak, Alaska · 3037 days ago · 81 km deep · 54 km away
  30. 2.1205 km WSW of Adak, Alaska · 3037 days ago · 46 km deep · 38 km away
  31. 2.1213 km W of Adak, Alaska · 3036 days ago · 77 km deep · 46 km away
  32. 1.8260 km W of Adak, Alaska · 3035 days ago · 6 km deep · 82 km away
  33. 2.1222 km W of Adak, Alaska · 3033 days ago · 91 km deep · 47 km away
  34. 2.5218 km WSW of Adak, Alaska · 3033 days ago · 22 km deep · 34 km away
  35. 1.8169 km WSW of Adak, Alaska · 3032 days ago · 33 km deep · 76 km away
  36. 3.1249 km WSW of Adak, Alaska · 3031 days ago · 61 km deep · 26 km away
  37. 2.8Rat Islands, Aleutian Islands, Alaska · 3030 days ago · 26 km deep · 87 km away
  38. 2.0192 km WSW of Adak, Alaska · 3029 days ago · 26 km deep · 51 km away
  39. 2.8Rat Islands, Aleutian Islands, Alaska · 3029 days ago · 197 km deep · 79 km away
  40. 1.5146 km W of Adak, Alaska · 3029 days ago · 14 km deep · 99 km away
  41. 1.9193 km WSW of Adak, Alaska · 3028 days ago · 13 km deep · 49 km away
  42. 2.3Rat Islands, Aleutian Islands, Alaska · 3028 days ago · 55 km deep · 93 km away
  43. 1.9218 km WSW of Adak, Alaska · 3028 days ago · 15 km deep · 41 km away
  44. 1.9226 km WSW of Adak, Alaska · 3027 days ago · 13 km deep · 30 km away
  45. 2.0Rat Islands, Aleutian Islands, Alaska · 3027 days ago · 32 km deep · 84 km away
  46. 3.7189 km WSW of Adak, Alaska · 3026 days ago · 25 km deep · 53 km away
  47. 2.0Rat Islands, Aleutian Islands, Alaska · 3026 days ago · 15 km deep · 98 km away
  48. 2.4183 km W of Adak, Alaska · 3026 days ago · 105 km deep · 82 km away
  49. 2.0187 km WSW of Adak, Alaska · 3026 days ago · 13 km deep · 56 km away
  50. 2.8253 km W of Adak, Alaska · 3026 days ago · 100 km deep · 58 km away
  51. 2.1251 km WSW of Adak, Alaska · 3026 days ago · 51 km deep · 24 km away
  52. 4.0222 km W of Adak, Alaska · 3026 days ago · 116 km deep · 56 km away
  53. 1.7168 km W of Adak, Alaska · 3025 days ago · 8 km deep · 83 km away
  54. 2.4168 km W of Adak, Alaska · 3025 days ago · 8 km deep · 83 km away
  55. 2.2206 km W of Adak, Alaska · 3025 days ago · 65 km deep · 44 km away
  56. 2.5246 km WSW of Adak, Alaska · 3025 days ago · 35 km deep · 28 km away
  57. 2.1Rat Islands, Aleutian Islands, Alaska · 3025 days ago · 63 km deep · 96 km away
  58. 2.1Rat Islands, Aleutian Islands, Alaska · 3024 days ago · 52 km deep · 78 km away
  59. 2.0193 km W of Adak, Alaska · 3024 days ago · 71 km deep · 56 km away
  60. 2.5Rat Islands, Aleutian Islands, Alaska · 3022 days ago · 36 km deep · 99 km away

The first 60 of 121.

Before

  1. 2.3298 km WSW of Adak, Alaska · 3053 days ago · 14 km deep · 55 km away
  2. 1.7Rat Islands, Aleutian Islands, Alaska · 3056 days ago · 56 km deep · 96 km away
  3. 2.3211 km WSW of Adak, Alaska · 3059 days ago · 71 km deep · 37 km away
  4. 1.8278 km WSW of Adak, Alaska · 3059 days ago · 32 km deep · 42 km away
  5. 2.3252 km WSW of Adak, Alaska · 3059 days ago · 9 km deep · 15 km away
  6. 2.4Rat Islands, Aleutian Islands, Alaska · 3061 days ago · 54 km deep · 69 km away
  7. 4.0210 km W of Adak, Alaska · 3061 days ago · 118 km deep · 81 km away
  8. 1.9238 km WSW of Adak, Alaska · 3061 days ago · 13 km deep · 15 km away
  9. 2.5198 km WSW of Adak, Alaska · 3061 days ago · 63 km deep · 46 km away
  10. 2.6257 km WSW of Adak, Alaska · 3061 days ago · 32 km deep · 24 km away
  11. 1.8241 km WSW of Adak, Alaska · 3062 days ago · 16 km deep · 27 km away
  12. 1.6Rat Islands, Aleutian Islands, Alaska · 3062 days ago · 14 km deep · 91 km away
  13. 2.5250 km W of Adak, Alaska · 3062 days ago · 73 km deep · 43 km away
  14. 2.5299 km WSW of Adak, Alaska · 3063 days ago · 30 km deep · 56 km away
  15. 2.0292 km WSW of Adak, Alaska · 3064 days ago · 53 km deep · 57 km away
  16. 2.7168 km W of Adak, Alaska · 3066 days ago · 7 km deep · 80 km away
  17. 3.6156 km WSW of Adak, Alaska · 3071 days ago · 35 km deep · 92 km away
  18. 2.4Rat Islands, Aleutian Islands, Alaska · 3074 days ago · 7 km deep · 89 km away
  19. 4.5208 km W of Adak, Alaska · 3074 days ago · 80 km deep · 71 km away
  20. 2.8177 km WSW of Adak, Alaska · 3074 days ago · 22 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0186mbomvx (also filed as ak19694154). Read Fri, Oct 2, 2026, 1:05 PM UTC.