Alaska earthquakes

M2.4 earthquake 187 km W of Adak, Alaska

A magnitude 2.4 earthquake struck 187 km W of Adak, Alaska on Tue, Feb 27, 2018, 3:24 PM HAST (01:24 UTC), 41 km (25 mi) below the surface.

A larger quake followed: M3.9 251 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
2.4 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-02-28 01:24:03 UTC
Depth
40.6 km (25.2 mi), shallow
Epicenter
51.905° N, 179.361° 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
13

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 52 in the 30 days before it.

After

  1. 3.7131 km WSW of Adak, Alaska · 3139 days ago · 16 km deep · 83 km away
  2. 1.8126 km WSW of Adak, Alaska · 3136 days ago · 13 km deep · 71 km away
  3. 1.9128 km W of Adak, Alaska · 3136 days ago · 16 km deep · 65 km away
  4. 1.8127 km W of Adak, Alaska · 3136 days ago · 22 km deep · 61 km away
  5. 3.0117 km WSW of Adak, Alaska · 3135 days ago · 19 km deep · 85 km away
  6. 2.1136 km WSW of Adak, Alaska · 3135 days ago · 26 km deep · 91 km away
  7. 2.7127 km WSW of Adak, Alaska · 3134 days ago · 16 km deep · 80 km away
  8. 2.3123 km WSW of Adak, Alaska · 3134 days ago · 9 km deep · 72 km away
  9. 2.1156 km WSW of Adak, Alaska · 3134 days ago · 53 km deep · 84 km away
  10. 2.1131 km W of Adak, Alaska · 3134 days ago · 13 km deep · 60 km away
  11. 1.7122 km WSW of Adak, Alaska · 3134 days ago · 13 km deep · 75 km away
  12. 1.9129 km WSW of Adak, Alaska · 3133 days ago · 43 km deep · 83 km away
  13. 2.4136 km WSW of Adak, Alaska · 3132 days ago · 6 km deep · 77 km away
  14. 2.0127 km W of Adak, Alaska · 3131 days ago · 1 km deep · 66 km away
  15. 2.6128 km WSW of Adak, Alaska · 3131 days ago · 21 km deep · 72 km away
  16. 2.4131 km WSW of Adak, Alaska · 3131 days ago · 16 km deep · 88 km away
  17. 2.1209 km WSW of Adak, Alaska · 3131 days ago · 16 km deep · 59 km away
  18. 2.4130 km W of Adak, Alaska · 3130 days ago · 15 km deep · 61 km away
  19. 3.3142 km WSW of Adak, Alaska · 3129 days ago · 35 km deep · 92 km away
  20. 2.2128 km WSW of Adak, Alaska · 3128 days ago · 37 km deep · 97 km away
  21. 1.9113 km WSW of Adak, Alaska · 3128 days ago · 13 km deep · 97 km away
  22. 2.3199 km W of Adak, Alaska · 3127 days ago · 66 km deep · 34 km away
  23. 2.3241 km WSW of Adak, Alaska · 3127 days ago · 14 km deep · 94 km away
  24. 1.6130 km W of Adak, Alaska · 3126 days ago · 5 km deep · 62 km away
  25. 2.2229 km WSW of Adak, Alaska · 3126 days ago · 17 km deep · 90 km away
  26. 2.1127 km WSW of Adak, Alaska · 3126 days ago · 12 km deep · 69 km away
  27. 2.2210 km WSW of Adak, Alaska · 3126 days ago · 7 km deep · 99 km away
  28. 1.9122 km WSW of Adak, Alaska · 3125 days ago · 54 km deep · 75 km away
  29. 2.7195 km WSW of Adak, Alaska · 3125 days ago · 22 km deep · 95 km away
  30. 1.5126 km WSW of Adak, Alaska · 3125 days ago · 22 km deep · 69 km away
  31. 2.0127 km W of Adak, Alaska · 3125 days ago · 14 km deep · 67 km away
  32. 1.8125 km W of Adak, Alaska · 3124 days ago · 15 km deep · 68 km away
  33. 1.7129 km WSW of Adak, Alaska · 3124 days ago · 11 km deep · 73 km away
  34. 1.9124 km W of Adak, Alaska · 3124 days ago · 18 km deep · 70 km away
  35. 1.9270 km WSW of Adak, Alaska · 3123 days ago · 51 km deep · 94 km away
  36. 1.8105 km WSW of Adak, Alaska · 3123 days ago · 54 km deep · 93 km away
  37. 1.9111 km WSW of Adak, Alaska · 3123 days ago · 37 km deep · 96 km away
  38. 2.0131 km WSW of Adak, Alaska · 3123 days ago · 7 km deep · 68 km away
  39. 2.2129 km W of Adak, Alaska · 3123 days ago · 14 km deep · 64 km away
  40. 2.3227 km W of Adak, Alaska · 3123 days ago · 86 km deep · 44 km away
  41. 3.5131 km W of Adak, Alaska · 3122 days ago · 19 km deep · 63 km away
  42. 1.7132 km W of Adak, Alaska · 3122 days ago · 19 km deep · 57 km away
  43. 1.9132 km W of Adak, Alaska · 3122 days ago · 17 km deep · 57 km away
  44. 2.6129 km W of Adak, Alaska · 3121 days ago · 26 km deep · 60 km away
  45. 2.6129 km WSW of Adak, Alaska · 3121 days ago · 8 km deep · 83 km away
  46. 1.5123 km W of Adak, Alaska · 3121 days ago · 3 km deep · 66 km away
  47. 1.7128 km W of Adak, Alaska · 3121 days ago · 28 km deep · 60 km away
  48. 2.0134 km W of Adak, Alaska · 3121 days ago · 15 km deep · 59 km away
  49. 2.4Andreanof Islands, Aleutian Islands, Alaska · 3121 days ago · 27 km deep · 73 km away
  50. 2.1124 km WSW of Adak, Alaska · 3120 days ago · 49 km deep · 89 km away
  51. 2.4221 km W of Adak, Alaska · 3120 days ago · 66 km deep · 50 km away
  52. 2.1132 km WSW of Adak, Alaska · 3119 days ago · 41 km deep · 80 km away
  53. 1.7118 km WSW of Adak, Alaska · 3118 days ago · 28 km deep · 92 km away
  54. 1.8174 km W of Adak, Alaska · 3118 days ago · 10 km deep · 21 km away
  55. 2.3102 km WSW of Adak, Alaska · 3118 days ago · 13 km deep · 96 km away
  56. 2.0137 km WSW of Adak, Alaska · 3117 days ago · 26 km deep · 80 km away
  57. 3.9251 km WSW of Adak, Alaska · 3116 days ago · 59 km deep · 86 km away
  58. 2.9256 km WSW of Adak, Alaska · 3115 days ago · 47 km deep · 97 km away
  59. 2.5127 km WSW of Adak, Alaska · 3115 days ago · 15 km deep · 81 km away
  60. 1.8128 km WSW of Adak, Alaska · 3111 days ago · 9 km deep · 71 km away

The first 60 of 107.

Before

  1. 2.7151 km WSW of Adak, Alaska · 3139 days ago · 35 km deep · 96 km away
  2. 2.8200 km W of Adak, Alaska · 3139 days ago · 123 km deep · 16 km away
  3. 2.894 km W of Adak, Alaska · 3141 days ago · 112 km deep · 93 km away
  4. 2.5128 km WSW of Adak, Alaska · 3142 days ago · 21 km deep · 78 km away
  5. 2.2122 km W of Adak, Alaska · 3142 days ago · 12 km deep · 71 km away
  6. 2.4246 km WSW of Adak, Alaska · 3142 days ago · 18 km deep · 79 km away
  7. 2.1128 km W of Adak, Alaska · 3147 days ago · 18 km deep · 65 km away
  8. 1.9265 km W of Adak, Alaska · 3147 days ago · 8 km deep · 78 km away
  9. 2.5243 km WSW of Adak, Alaska · 3149 days ago · 63 km deep · 72 km away
  10. 2.0125 km W of Adak, Alaska · 3149 days ago · 16 km deep · 66 km away
  11. 1.8124 km W of Adak, Alaska · 3150 days ago · 7 km deep · 68 km away
  12. 2.0110 km WSW of Adak, Alaska · 3151 days ago · 13 km deep · 95 km away
  13. 2.6129 km WSW of Adak, Alaska · 3152 days ago · 35 km deep · 99 km away
  14. 3.2187 km WSW of Adak, Alaska · 3154 days ago · 18 km deep · 77 km away
  15. 2.3126 km WSW of Adak, Alaska · 3155 days ago · 31 km deep · 89 km away
  16. 1.9128 km W of Adak, Alaska · 3155 days ago · 13 km deep · 66 km away
  17. 1.8129 km WSW of Adak, Alaska · 3156 days ago · 14 km deep · 68 km away
  18. 1.8171 km WSW of Adak, Alaska · 3156 days ago · 7 km deep · 56 km away
  19. 1.9124 km W of Adak, Alaska · 3156 days ago · 16 km deep · 68 km away
  20. 2.1134 km W of Adak, Alaska · 3157 days ago · 8 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0182plg284 (also filed as ak18616388). Read Fri, Oct 2, 2026, 8:07 PM UTC.