Alaska earthquakes

M1.8 earthquake 97 km ENE of Chignik, Alaska

A magnitude 1.8 earthquake struck 97 km ENE of Chignik, Alaska on Tue, Aug 12, 2025, 1:59 PM AKDT (21:59 UTC), 46 km (29 mi) below the surface.

A larger quake followed: M4.6 114 km E of Chignik, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-08-12 21:59:34 UTC
Depth
46.3 km (28.8 mi), shallow
Epicenter
56.556° N, 156.891° 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
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 1.958 km ESE of Ugashik, Alaska · 415 days ago · 2 km deep · 82 km away
  2. 1.652 km SE of Ugashik, Alaska · 414 days ago · 10 km deep · 66 km away
  3. 1.956 km S of Ugashik, Alaska · 413 days ago · 3 km deep · 65 km away
  4. 2.278 km W of Akhiok, Alaska · 412 days ago · 30 km deep · 93 km away
  5. 2.379 km ENE of Chignik, Alaska · 411 days ago · 67 km deep · 19 km away
  6. 1.561 km ENE of Chignik, Alaska · 409 days ago · 67 km deep · 39 km away
  7. 1.7103 km E of Chignik, Alaska · 407 days ago · 46 km deep · 43 km away
  8. 1.6107 km W of Akhiok, Alaska · 406 days ago · 8 km deep · 67 km away
  9. 1.976 km S of Ugashik, Alaska · 406 days ago · 75 km deep · 35 km away · felt by 1
  10. 2.960 km SE of Chignik, Alaska · 404 days ago · 38 km deep · 78 km away
  11. 1.7142 km ESE of Chignik, Alaska · 404 days ago · 20 km deep · 93 km away
  12. 1.727 km S of Ugashik, Alaska · 404 days ago · 120 km deep · 87 km away
  13. 1.969 km SE of Ugashik, Alaska · 402 days ago · 5 km deep · 71 km away
  14. 1.989 km SE of Ugashik, Alaska · 400 days ago · 12 km deep · 53 km away
  15. 2.058 km SE of Ugashik, Alaska · 399 days ago · 9 km deep · 72 km away
  16. 1.567 km SSW of Ugashik, Alaska · 398 days ago · 14 km deep · 79 km away
  17. 2.995 km W of Akhiok, Alaska · 396 days ago · 63 km deep · 89 km away
  18. 2.8129 km ESE of Chignik, Alaska · 396 days ago · 44 km deep · 71 km away
  19. 2.0115 km ENE of Chignik, Alaska · 396 days ago · 46 km deep · 19 km away
  20. 2.1135 km SW of Akhiok, Alaska · 395 days ago · 5 km deep · 68 km away
  21. 1.694 km SE of Ugashik, Alaska · 395 days ago · 74 km deep · 52 km away
  22. 2.4132 km ESE of Chignik, Alaska · 394 days ago · 18 km deep · 100 km away
  23. 2.7106 km E of Chignik, Alaska · 392 days ago · 18 km deep · 19 km away
  24. 2.326 km N of Chignik, Alaska · 391 days ago · 95 km deep · 90 km away
  25. 2.2111 km ESE of Chignik, Alaska · 389 days ago · 45 km deep · 73 km away
  26. 1.938 km ESE of Chignik, Alaska · 389 days ago · 32 km deep · 74 km away
  27. 2.193 km ESE of Ugashik, Alaska · 387 days ago · 13 km deep · 96 km away
  28. 2.7122 km SW of Akhiok, Alaska · 387 days ago · 26 km deep · 77 km away
  29. 1.688 km ESE of Ugashik, Alaska · 383 days ago · 12 km deep · 85 km away
  30. 2.591 km ESE of Ugashik, Alaska · 381 days ago · 14 km deep · 88 km away
  31. 2.595 km E of Chignik, Alaska · 379 days ago · 17 km deep · 30 km away
  32. 2.344 km SSW of Ugashik, Alaska · 377 days ago · 5 km deep · 75 km away
  33. 2.146 km SE of Ugashik, Alaska · 377 days ago · 6 km deep · 70 km away
  34. 1.871 km SSW of Ugashik, Alaska · 373 days ago · 3 km deep · 71 km away
  35. 4.6114 km E of Chignik, Alaska · 373 days ago · 45 km deep · 30 km away · felt by 2
  36. 3.1128 km E of Chignik, Alaska · 373 days ago · 50 km deep · 37 km away
  37. 2.6129 km E of Chignik, Alaska · 373 days ago · 50 km deep · 37 km away
  38. 2.7127 km E of Chignik, Alaska · 373 days ago · 50 km deep · 36 km away
  39. 2.172 km SSW of Ugashik, Alaska · 373 days ago · 112 km deep · 65 km away
  40. 2.274 km S of Ugashik, Alaska · 372 days ago · 124 km deep · 54 km away
  41. 2.3116 km E of Chignik, Alaska · 372 days ago · 15 km deep · 32 km away
  42. 3.3114 km E of Chignik, Alaska · 371 days ago · 10 km deep · 26 km away
  43. 2.452 km SSE of Ugashik, Alaska · 370 days ago · 2 km deep · 62 km away
  44. 2.652 km SSW of Pilot Point, Alaska · 369 days ago · 130 km deep · 91 km away
  45. 2.036 km SE of Ugashik, Alaska · 367 days ago · 15 km deep · 77 km away
  46. 1.947 km SE of Ugashik, Alaska · 367 days ago · 7 km deep · 70 km away
  47. 1.844 km SE of Ugashik, Alaska · 367 days ago · 8 km deep · 71 km away
  48. 2.064 km SSE of Ugashik, Alaska · 367 days ago · 14 km deep · 53 km away
  49. 1.629 km NNE of Chignik, Alaska · 367 days ago · 85 km deep · 84 km away
  50. 2.544 km S of Ugashik, Alaska · 366 days ago · 3 km deep · 71 km away
  51. 1.778 km ESE of Ugashik, Alaska · 365 days ago · 21 km deep · 83 km away
  52. 2.992 km ESE of Chignik, Alaska · 365 days ago · 76 km deep · 75 km away
  53. 2.3106 km E of Chignik, Alaska · 364 days ago · 54 km deep · 20 km away
  54. 3.1112 km E of Chignik, Alaska · 359 days ago · 37 km deep · 30 km away
  55. 2.557 km SE of Ugashik, Alaska · 359 days ago · 0 km deep · 62 km away
  56. 2.239 km SSE of Ugashik, Alaska · 358 days ago · 35 km deep · 71 km away
  57. 2.653 km ESE of Chignik, Alaska · 358 days ago · 70 km deep · 62 km away

Before

  1. 2.088 km W of Akhiok, Alaska · 416 days ago · 15 km deep · 84 km away
  2. 2.0129 km SSE of Ugashik, Alaska · 417 days ago · 51 km deep · 42 km away
  3. 2.289 km W of Akhiok, Alaska · 417 days ago · 8 km deep · 82 km away
  4. 2.2120 km WSW of Akhiok, Alaska · 417 days ago · 62 km deep · 54 km away
  5. 1.777 km ESE of Ugashik, Alaska · 420 days ago · 82 km deep · 81 km away
  6. 1.763 km ESE of Ugashik, Alaska · 420 days ago · 11 km deep · 80 km away
  7. 1.771 km ESE of Ugashik, Alaska · 421 days ago · 6 km deep · 76 km away
  8. 1.751 km SE of Ugashik, Alaska · 422 days ago · 6 km deep · 73 km away
  9. 2.08 km ESE of Chignik, Alaska · 423 days ago · 71 km deep · 91 km away
  10. 2.373 km ESE of Chignik, Alaska · 423 days ago · 41 km deep · 62 km away
  11. 2.1106 km E of Chignik, Alaska · 423 days ago · 6 km deep · 34 km away
  12. 2.185 km ENE of Chignik, Alaska · 423 days ago · 62 km deep · 13 km away
  13. 1.860 km SE of Ugashik, Alaska · 425 days ago · 7 km deep · 60 km away
  14. 2.2114 km E of Chignik, Alaska · 425 days ago · 42 km deep · 21 km away
  15. 1.6128 km WSW of Akhiok, Alaska · 427 days ago · 8 km deep · 50 km away
  16. 1.980 km ESE of Ugashik, Alaska · 429 days ago · 76 km deep · 79 km away
  17. 2.2113 km WSW of Akhiok, Alaska · 430 days ago · 70 km deep · 70 km away
  18. 1.738 km SE of Chignik, Alaska · 431 days ago · 44 km deep · 81 km away
  19. 1.945 km SE of Chignik, Alaska · 435 days ago · 53 km deep · 89 km away
  20. 2.330 km SE of Chignik, Alaska · 435 days ago · 89 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak025aat8kdb. Read Fri, Oct 2, 2026, 6:48 AM UTC.