Alaska earthquakes

M1.9 earthquake 259 km SE of Old Harbor, Alaska

A magnitude 1.9 earthquake struck 259 km SE of Old Harbor, Alaska on Fri, Aug 17, 2018, 12:28 AM AKDT (08:28 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.6 295 km SE of Chiniak, 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
1.9 (ml), micro
Local time
UTC
2018-08-17 08:28:50 UTC
Depth
5.4 km (3.4 mi), shallow
Epicenter
55.433° N, 150.583° 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: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 3.6295 km SE of Chiniak, Alaska · 2955 days ago · 7 km deep · 84 km away
  2. 2.7245 km SE of Chiniak, Alaska · 2955 days ago · 10 km deep · 58 km away
  3. 2.6256 km SE of Chiniak, Alaska · 2955 days ago · 12 km deep · 78 km away
  4. 2.7258 km SE of Chiniak, Alaska · 2954 days ago · 12 km deep · 79 km away
  5. 2.6202 km SE of Chiniak, Alaska · 2954 days ago · 10 km deep · 86 km away
  6. 3.1219 km SE of Chiniak, Alaska · 2954 days ago · 10 km deep · 92 km away
  7. 2.7235 km SE of Chiniak, Alaska · 2953 days ago · 20 km deep · 87 km away
  8. 2.4206 km SSE of Chiniak, Alaska · 2953 days ago · 8 km deep · 67 km away
  9. 2.8229 km SE of Chiniak, Alaska · 2953 days ago · 12 km deep · 78 km away
  10. 2.6252 km SE of Chiniak, Alaska · 2953 days ago · 9 km deep · 66 km away
  11. 2.5251 km SE of Chiniak, Alaska · 2953 days ago · 15 km deep · 72 km away
  12. 3.0232 km SE of Chiniak, Alaska · 2953 days ago · 23 km deep · 93 km away
  13. 3.1239 km SE of Chiniak, Alaska · 2953 days ago · 10 km deep · 81 km away
  14. 2.9228 km SE of Chiniak, Alaska · 2952 days ago · 21 km deep · 80 km away
  15. 2.7235 km SE of Chiniak, Alaska · 2952 days ago · 23 km deep · 80 km away
  16. 2.5294 km SE of Chiniak, Alaska · 2952 days ago · 12 km deep · 99 km away
  17. 2.4258 km SE of Chiniak, Alaska · 2951 days ago · 12 km deep · 95 km away
  18. 2.4269 km SE of Chiniak, Alaska · 2951 days ago · 12 km deep · 90 km away
  19. 2.8249 km SE of Chiniak, Alaska · 2951 days ago · 20 km deep · 98 km away
  20. 3.7284 km SE of Chiniak, Alaska · 2949 days ago · 7 km deep · 92 km away
  21. 4.7283 km SE of Chiniak, Alaska · 2949 days ago · 6 km deep · 92 km away · tsunami flag
  22. 2.8217 km SSE of Chiniak, Alaska · 2949 days ago · 10 km deep · 62 km away
  23. 2.5271 km SE of Chiniak, Alaska · 2949 days ago · 11 km deep · 96 km away
  24. 2.5239 km SSE of Chiniak, Alaska · 2949 days ago · 13 km deep · 46 km away
  25. 3.2211 km SE of Chiniak, Alaska · 2949 days ago · 31 km deep · 86 km away
  26. 2.7257 km SE of Chiniak, Alaska · 2949 days ago · 8 km deep · 62 km away
  27. 2.6219 km SE of Chiniak, Alaska · 2947 days ago · 8 km deep · 92 km away
  28. 3.4270 km SE of Chiniak, Alaska · 2947 days ago · 16 km deep · 97 km away
  29. 2.6243 km SE of Chiniak, Alaska · 2947 days ago · 14 km deep · 72 km away
  30. 2.5246 km SE of Chiniak, Alaska · 2946 days ago · 16 km deep · 82 km away
  31. 2.3243 km SE of Chiniak, Alaska · 2946 days ago · 7 km deep · 92 km away
  32. 3.1236 km SE of Chiniak, Alaska · 2946 days ago · 11 km deep · 79 km away
  33. 2.6225 km SE of Chiniak, Alaska · 2946 days ago · 23 km deep · 96 km away
  34. 2.9244 km SE of Chiniak, Alaska · 2945 days ago · 10 km deep · 79 km away
  35. 2.2241 km SE of Chiniak, Alaska · 2945 days ago · 13 km deep · 82 km away
  36. 2.3245 km SE of Chiniak, Alaska · 2945 days ago · 12 km deep · 75 km away
  37. 2.3246 km SSE of Chiniak, Alaska · 2945 days ago · 12 km deep · 51 km away
  38. 2.8235 km SE of Chiniak, Alaska · 2945 days ago · 7 km deep · 66 km away
  39. 3.2239 km SE of Chiniak, Alaska · 2945 days ago · 8 km deep · 64 km away
  40. 2.9229 km SSE of Chiniak, Alaska · 2945 days ago · 4 km deep · 42 km away
  41. 2.8244 km SE of Chiniak, Alaska · 2944 days ago · 20 km deep · 94 km away
  42. 2.6262 km SE of Chiniak, Alaska · 2944 days ago · 12 km deep · 66 km away
  43. 2.7251 km SE of Chiniak, Alaska · 2944 days ago · 12 km deep · 88 km away
  44. 2.9211 km SSE of Old Harbor, Alaska · 2943 days ago · 10 km deep · 78 km away
  45. 2.7218 km SE of Chiniak, Alaska · 2943 days ago · 28 km deep · 80 km away
  46. 2.5241 km SE of Chiniak, Alaska · 2941 days ago · 11 km deep · 61 km away
  47. 2.9235 km SE of Chiniak, Alaska · 2941 days ago · 10 km deep · 62 km away
  48. 2.4224 km SE of Chiniak, Alaska · 2941 days ago · 7 km deep · 82 km away
  49. 3.6265 km SE of Chiniak, Alaska · 2940 days ago · 8 km deep · 95 km away
  50. 2.4268 km SE of Chiniak, Alaska · 2940 days ago · 10 km deep · 93 km away
  51. 2.6265 km SE of Chiniak, Alaska · 2940 days ago · 5 km deep · 94 km away
  52. 2.5256 km SE of Chiniak, Alaska · 2940 days ago · 1 km deep · 92 km away
  53. 2.9265 km SE of Chiniak, Alaska · 2940 days ago · 9 km deep · 99 km away
  54. 2.0262 km SE of Chiniak, Alaska · 2940 days ago · 13 km deep · 63 km away
  55. 2.5215 km SE of Chiniak, Alaska · 2940 days ago · 12 km deep · 92 km away
  56. 2.8289 km SE of Chiniak, Alaska · 2940 days ago · 8 km deep · 97 km away
  57. 2.6228 km SE of Chiniak, Alaska · 2940 days ago · 12 km deep · 91 km away
  58. 2.9236 km SE of Chiniak, Alaska · 2939 days ago · 5 km deep · 80 km away
  59. 2.4256 km SE of Chiniak, Alaska · 2938 days ago · 6 km deep · 84 km away
  60. 2.7240 km SSE of Chiniak, Alaska · 2938 days ago · 12 km deep · 53 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aacse018aiv01v6. Read Tue, Sep 22, 2026, 9:24 AM UTC.