Alaska earthquakes

M2.1 earthquake 31 km S of Chignik, Alaska

A magnitude 2.1 earthquake struck 31 km S of Chignik, Alaska on Sun, Jul 20, 2025, 5:04 PM AKDT (01:04 UTC), 61 km (38 mi) below the surface.

A larger quake followed: M2.9 60 km SE 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
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2025-07-21 01:04:21 UTC
Depth
60.7 km (37.7 mi), shallow
Epicenter
56.012° N, 158.433° 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
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 2.629 km WSW of Ivanof Bay, Alaska · 438 days ago · 88 km deep · 95 km away
  2. 1.959 km ESE of Chignik, Alaska · 438 days ago · 57 km deep · 63 km away
  3. 2.325 km SSW of Ivanof Bay, Alaska · 435 days ago · 70 km deep · 82 km away
  4. 2.330 km SE of Chignik, Alaska · 435 days ago · 89 km deep · 20 km away
  5. 1.945 km SE of Chignik, Alaska · 435 days ago · 53 km deep · 32 km away
  6. 2.656 km S of Ivanof Bay, Alaska · 435 days ago · 13 km deep · 91 km away
  7. 1.738 km SE of Chignik, Alaska · 431 days ago · 44 km deep · 34 km away
  8. 1.772 km SE of Perryville, Alaska · 428 days ago · 43 km deep · 63 km away
  9. 2.175 km SSE of Perryville, Alaska · 426 days ago · 21 km deep · 89 km away
  10. 2.270 km SE of Perryville, Alaska · 423 days ago · 11 km deep · 55 km away
  11. 2.373 km ESE of Chignik, Alaska · 423 days ago · 41 km deep · 70 km away
  12. 2.08 km ESE of Chignik, Alaska · 423 days ago · 71 km deep · 30 km away
  13. 2.338 km SSW of Ivanof Bay, Alaska · 421 days ago · 74 km deep · 94 km away
  14. 2.451 km SE of Perryville, Alaska · 421 days ago · 42 km deep · 48 km away
  15. 2.076 km S of Perryville, Alaska · 421 days ago · 23 km deep · 100 km away
  16. 2.261 km SSE of Chignik, Alaska · 421 days ago · 68 km deep · 33 km away
  17. 2.623 km ENE of Perryville, Alaska · 421 days ago · 65 km deep · 22 km away
  18. 2.121 km N of Perryville, Alaska · 417 days ago · 102 km deep · 47 km away
  19. 2.069 km S of Ivanof Bay, Alaska · 417 days ago · 10 km deep · 98 km away
  20. 1.734 km E of Perryville, Alaska · 416 days ago · 63 km deep · 13 km away
  21. 1.730 km WNW of Chignik Lake, Alaska · 414 days ago · 100 km deep · 61 km away
  22. 1.525 km N of Perryville, Alaska · 411 days ago · 8 km deep · 46 km away
  23. 2.461 km SE of Perryville, Alaska · 411 days ago · 26 km deep · 57 km away
  24. 2.379 km ENE of Chignik, Alaska · 411 days ago · 67 km deep · 94 km away
  25. 1.99 km NNW of Chignik Lagoon, Alaska · 410 days ago · 91 km deep · 42 km away
  26. 1.635 km SE of Perryville, Alaska · 410 days ago · 49 km deep · 38 km away
  27. 1.561 km ENE of Chignik, Alaska · 409 days ago · 67 km deep · 82 km away
  28. 1.667 km SSE of Chignik, Alaska · 409 days ago · 26 km deep · 44 km away
  29. 1.572 km SE of Perryville, Alaska · 408 days ago · 25 km deep · 63 km away
  30. 1.634 km S of Chignik, Alaska · 407 days ago · 84 km deep · 5 km away
  31. 2.960 km SE of Chignik, Alaska · 405 days ago · 38 km deep · 52 km away
  32. 2.319 km SSW of Ivanof Bay, Alaska · 404 days ago · 5 km deep · 77 km away
  33. 1.813 km NW of Chignik Lake, Alaska · 402 days ago · 7 km deep · 48 km away
  34. 1.613 km NW of Chignik Lake, Alaska · 401 days ago · 5 km deep · 47 km away
  35. 1.923 km WSW of Chignik Lake, Alaska · 398 days ago · 6 km deep · 44 km away
  36. 2.326 km N of Chignik, Alaska · 391 days ago · 95 km deep · 58 km away
  37. 1.938 km ESE of Chignik, Alaska · 389 days ago · 32 km deep · 39 km away

Before

  1. 2.161 km S of Perryville, Alaska · 440 days ago · 15 km deep · 86 km away
  2. 2.654 km SE of Perryville, Alaska · 442 days ago · 22 km deep · 53 km away
  3. 1.531 km SE of Perryville, Alaska · 444 days ago · 56 km deep · 40 km away
  4. 2.252 km S of Perryville, Alaska · 445 days ago · 44 km deep · 76 km away
  5. 1.672 km SSE of Perryville, Alaska · 445 days ago · 13 km deep · 77 km away
  6. 1.513 km SSE of Ivanof Bay, Alaska · 447 days ago · 81 km deep · 66 km away
  7. 2.292 km SE of Perryville, Alaska · 450 days ago · 5 km deep · 77 km away
  8. 1.827 km SSE of Ivanof Bay, Alaska · 452 days ago · 70 km deep · 70 km away
  9. 2.875 km E of Chignik, Alaska · 452 days ago · 47 km deep · 86 km away
  10. 1.950 km S of Perryville, Alaska · 452 days ago · 15 km deep · 76 km away
  11. 1.951 km S of Perryville, Alaska · 452 days ago · 27 km deep · 73 km away
  12. 2.651 km S of Perryville, Alaska · 452 days ago · 20 km deep · 78 km away
  13. 2.765 km S of Perryville, Alaska · 453 days ago · 26 km deep · 84 km away
  14. 1.748 km S of Perryville, Alaska · 455 days ago · 5 km deep · 77 km away
  15. 2.08 km WSW of Ivanof Bay, Alaska · 461 days ago · 84 km deep · 75 km away
  16. 2.313 km E of Chignik, Alaska · 462 days ago · 71 km deep · 37 km away
  17. 2.634 km E of Chignik, Alaska · 463 days ago · 62 km deep · 47 km away
  18. 2.222 km NNE of Ivanof Bay, Alaska · 463 days ago · 90 km deep · 57 km away
  19. 1.813 km WSW of Chignik Lake, Alaska · 465 days ago · 82 km deep · 39 km away
  20. 1.999 km SE of Perryville, Alaska · 466 days ago · 9 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0259a36fvx. Read Fri, Oct 2, 2026, 10:04 AM UTC.