Alaska earthquakes

M1.6 earthquake 39 km S of Tonsina, Alaska

A magnitude 1.6 earthquake struck 39 km S of Tonsina, Alaska on Sat, Jul 25, 2026, 9:19 AM AKDT (17:19 UTC), 36 km (22 mi) below the surface.

A larger quake followed: M3.5 21 km NE of Valdez, Alaska. This one was a foreshock.

Valdez forecastMore in Alaska

Map

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

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-07-25 17:19:14 UTC
Depth
35.5 km (22.1 mi), shallow
Epicenter
61.299° N, 145.218° 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.

Location uncertainty
About 5.0 km horizontally, 3.5 km in depth
Magnitude uncertainty
±0.20
Station coverage gap
71°
Stations used
20

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 49 in the 30 days before it.

After

  1. 2.056 km ENE of Kenny Lake, Alaska · 66 days ago · 1 km deep · 99 km away
  2. 1.840 km N of Valdez, Alaska · 66 days ago · 28 km deep · 57 km away
  3. 1.552 km W of Tonsina, Alaska · 65 days ago · 28 km deep · 60 km away
  4. 1.945 km NNW of Valdez, Alaska · 65 days ago · 20 km deep · 79 km away
  5. 1.828 km WNW of Valdez, Alaska · 64 days ago · 17 km deep · 86 km away
  6. 1.842 km S of Nelchina, Alaska · 61 days ago · 35 km deep · 86 km away
  7. 1.637 km SSE of Nelchina, Alaska · 59 days ago · 28 km deep · 80 km away
  8. 1.539 km NE of Valdez, Alaska · 59 days ago · 39 km deep · 39 km away
  9. 1.516 km NE of Valdez, Alaska · 58 days ago · 27 km deep · 50 km away
  10. 1.617 km SW of Valdez, Alaska · 58 days ago · 16 km deep · 78 km away
  11. 1.531 km S of Tolsona, Alaska · 56 days ago · 43 km deep · 75 km away
  12. 1.543 km SE of Nelchina, Alaska · 50 days ago · 19 km deep · 70 km away
  13. 1.645 km N of Valdez, Alaska · 48 days ago · 35 km deep · 71 km away
  14. 2.130 km WNW of Valdez, Alaska · 48 days ago · 16 km deep · 86 km away
  15. 2.148 km SSE of Nelchina, Alaska · 45 days ago · 24 km deep · 71 km away
  16. 1.643 km SSE of Nelchina, Alaska · 44 days ago · 46 km deep · 73 km away
  17. 1.537 km WSW of Tonsina, Alaska · 44 days ago · 34 km deep · 38 km away
  18. 1.548 km NNW of Valdez, Alaska · 42 days ago · 28 km deep · 82 km away
  19. 1.838 km NNW of Valdez, Alaska · 40 days ago · 13 km deep · 76 km away
  20. 1.521 km SSE of Tatitlek, Alaska · 40 days ago · 23 km deep · 96 km away
  21. 1.649 km NE of Cordova, Alaska · 39 days ago · 14 km deep · 55 km away
  22. 1.547 km N of Valdez, Alaska · 38 days ago · 28 km deep · 73 km away
  23. 1.930 km SSE of Nelchina, Alaska · 38 days ago · 14 km deep · 87 km away
  24. 1.746 km N of Valdez, Alaska · 36 days ago · 23 km deep · 72 km away
  25. 1.646 km N of Valdez, Alaska · 36 days ago · 23 km deep · 68 km away
  26. 1.648 km N of Valdez, Alaska · 34 days ago · 33 km deep · 73 km away
  27. 1.88 km WNW of Valdez, Alaska · 34 days ago · 27 km deep · 69 km away
  28. 1.625 km NNW of Valdez, Alaska · 33 days ago · 25 km deep · 69 km away
  29. 1.841 km SSE of Nelchina, Alaska · 32 days ago · 14 km deep · 76 km away
  30. 1.948 km SSE of Nelchina, Alaska · 32 days ago · 24 km deep · 70 km away
  31. 2.549 km N of Valdez, Alaska · 31 days ago · 21 km deep · 72 km away
  32. 1.845 km NNW of Valdez, Alaska · 30 days ago · 16 km deep · 75 km away
  33. 1.540 km NW of Valdez, Alaska · 28 days ago · 24 km deep · 90 km away
  34. 1.541 km WNW of Valdez, Alaska · 27 days ago · 24 km deep · 95 km away
  35. 2.648 km SSE of Nelchina, Alaska · 26 days ago · 20 km deep · 70 km away
  36. 2.846 km N of Valdez, Alaska · 26 days ago · 20 km deep · 73 km away
  37. 1.647 km N of Valdez, Alaska · 26 days ago · 22 km deep · 73 km away
  38. 2.348 km N of Valdez, Alaska · 25 days ago · 19 km deep · 74 km away
  39. 2.816 km SSE of Kenny Lake, Alaska · 23 days ago · 39 km deep · 39 km away
  40. 1.627 km NNW of Valdez, Alaska · 23 days ago · 10 km deep · 72 km away
  41. 1.811 km NNE of Kenny Lake, Alaska · 22 days ago · 58 km deep · 60 km away
  42. 1.937 km NW of Valdez, Alaska · 21 days ago · 11 km deep · 82 km away
  43. 2.330 km WNW of Valdez, Alaska · 21 days ago · 19 km deep · 87 km away
  44. 2.149 km SSE of Nelchina, Alaska · 21 days ago · 27 km deep · 70 km away
  45. 3.521 km NE of Valdez, Alaska · 20 days ago · 13 km deep · 48 km away · felt by 14
  46. 1.59 km ESE of Kenny Lake, Alaska · 18 days ago · 35 km deep · 47 km away
  47. 2.546 km NNW of Valdez, Alaska · 16 days ago · 18 km deep · 86 km away
  48. 1.616 km SW of Valdez, Alaska · 16 days ago · 14 km deep · 79 km away
  49. 1.640 km NW of Valdez, Alaska · 15 days ago · 22 km deep · 89 km away
  50. 2.250 km N of Valdez, Alaska · 14 days ago · 21 km deep · 62 km away
  51. 1.743 km NNW of Valdez, Alaska · 13 days ago · 50 km deep · 81 km away
  52. 1.631 km NW of Valdez, Alaska · 13 days ago · 33 km deep · 78 km away
  53. 1.613 km SW of Valdez, Alaska · 12 days ago · 19 km deep · 77 km away
  54. 1.839 km NNW of Valdez, Alaska · 10 days ago · 21 km deep · 81 km away
  55. 2.230 km NW of Valdez, Alaska · 10 days ago · 14 km deep · 81 km away · felt by 1
  56. 1.646 km SSE of Nelchina, Alaska · 10 days ago · 24 km deep · 75 km away
  57. 1.91 km WSW of Glennallen, Alaska · 9 days ago · 2 km deep · 91 km away

Before

  1. 2.249 km N of Valdez, Alaska · 69 days ago · 20 km deep · 75 km away
  2. 1.647 km SE of Nelchina, Alaska · 70 days ago · 38 km deep · 67 km away
  3. 1.677 km S of Chitina, Alaska · 71 days ago · 26 km deep · 69 km away
  4. 2.245 km N of Valdez, Alaska · 71 days ago · 27 km deep · 61 km away
  5. 1.749 km N of Valdez, Alaska · 71 days ago · 35 km deep · 61 km away
  6. 2.148 km N of Valdez, Alaska · 71 days ago · 18 km deep · 61 km away
  7. 1.656 km ENE of Kenny Lake, Alaska · 72 days ago · 14 km deep · 99 km away
  8. 1.836 km NNW of Valdez, Alaska · 74 days ago · 22 km deep · 75 km away
  9. 2.614 km SE of Valdez, Alaska · 74 days ago · 18 km deep · 56 km away
  10. 1.846 km NW of Valdez, Alaska · 75 days ago · 20 km deep · 97 km away
  11. 2.726 km NNW of Valdez, Alaska · 75 days ago · 13 km deep · 70 km away
  12. 1.632 km NNW of Valdez, Alaska · 75 days ago · 27 km deep · 72 km away
  13. 1.950 km N of Valdez, Alaska · 75 days ago · 16 km deep · 62 km away
  14. 1.641 km N of Valdez, Alaska · 76 days ago · 20 km deep · 69 km away
  15. 1.656 km ENE of Cordova, Alaska · 76 days ago · 3 km deep · 64 km away
  16. 2.025 km NW of Valdez, Alaska · 76 days ago · 14 km deep · 79 km away
  17. 1.842 km SSE of Nelchina, Alaska · 76 days ago · 20 km deep · 74 km away
  18. 1.848 km NE of Cordova, Alaska · 76 days ago · 17 km deep · 49 km away
  19. 1.720 km E of Cordova, Alaska · 78 days ago · 12 km deep · 83 km away
  20. 2.038 km SSE of Nelchina, Alaska · 79 days ago · 3 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026opzdpg. Read Fri, Oct 2, 2026, 2:40 PM UTC.