Alaska earthquakes

M1.6 earthquake 21 km NW of Susitna, Alaska

A magnitude 1.6 earthquake struck 21 km NW of Susitna, Alaska on Thu, Mar 20, 2025, 8:14 PM AKDT (04:14 UTC), 61 km (38 mi) below the surface.

A larger quake followed: M4.5 20 km WNW of Tyonek, Alaska. This one was a foreshock.

Willow 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
2025-03-21 04:14:05 UTC
Depth
61.4 km (38.2 mi), shallow
Epicenter
61.692° N, 150.783° 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
50

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 200 in the 60 days after this one and 187 in the 30 days before it.

After

  1. 1.64 km NW of Meadow Lakes, Alaska · 560 days ago · 49 km deep · 60 km away
  2. 1.642 km WNW of Skwentna, Alaska · 560 days ago · 116 km deep · 88 km away
  3. 2.050 km NW of Skwentna, Alaska · 560 days ago · 3 km deep · 96 km away
  4. 1.735 km NW of Nikiski, Alaska · 560 days ago · 76 km deep · 100 km away
  5. 1.94 km E of Big Lake, Alaska · 560 days ago · 42 km deep · 52 km away
  6. 1.860 km W of Tyonek, Alaska · 560 days ago · 120 km deep · 96 km away
  7. 1.927 km NNW of Susitna, Alaska · 560 days ago · 68 km deep · 10 km away
  8. 3.631 km ENE of Skwentna, Alaska · 559 days ago · 61 km deep · 47 km away · felt by 70
  9. 2.535 km SSE of Skwentna, Alaska · 559 days ago · 67 km deep · 19 km away
  10. 1.826 km WSW of Point MacKenzie, Alaska · 559 days ago · 47 km deep · 50 km away
  11. 3.629 km NNE of Skwentna, Alaska · 559 days ago · 71 km deep · 62 km away
  12. 1.56 km NW of Big Lake, Alaska · 559 days ago · 45 km deep · 42 km away
  13. 2.512 km NE of Susitna, Alaska · 559 days ago · 50 km deep · 24 km away · felt by 1
  14. 1.611 km WNW of Point Possession, Alaska · 559 days ago · 15 km deep · 83 km away
  15. 1.93 km W of Susitna, Alaska · 558 days ago · 53 km deep · 20 km away
  16. 1.829 km ENE of Beluga, Alaska · 558 days ago · 50 km deep · 53 km away
  17. 1.611 km W of Big Lake, Alaska · 558 days ago · 47 km deep · 38 km away
  18. 2.817 km N of Willow, Alaska · 558 days ago · 41 km deep · 45 km away · felt by 2
  19. 1.831 km WNW of Susitna, Alaska · 558 days ago · 63 km deep · 16 km away
  20. 3.339 km WNW of Skwentna, Alaska · 557 days ago · 104 km deep · 85 km away
  21. 1.670 km WNW of Tyonek, Alaska · 557 days ago · 128 km deep · 100 km away
  22. 1.532 km SW of Skwentna, Alaska · 556 days ago · 103 km deep · 57 km away
  23. 2.815 km NNW of Hope, Alaska · 556 days ago · 35 km deep · 90 km away · felt by 102
  24. 1.823 km ENE of Skwentna, Alaska · 556 days ago · 66 km deep · 40 km away
  25. 2.14 km WNW of Point MacKenzie, Alaska · 556 days ago · 47 km deep · 53 km away
  26. 1.82 km S of Point MacKenzie, Alaska · 555 days ago · 47 km deep · 58 km away
  27. 1.86 km WSW of Butte, Alaska · 555 days ago · 29 km deep · 88 km away
  28. 2.015 km ENE of Willow, Alaska · 555 days ago · 29 km deep · 55 km away
  29. 1.615 km E of Skwentna, Alaska · 554 days ago · 73 km deep · 35 km away
  30. 2.111 km WSW of Point Possession, Alaska · 554 days ago · 8 km deep · 88 km away
  31. 2.312 km NW of Fishhook, Alaska · 554 days ago · 37 km deep · 75 km away
  32. 1.67 km E of Petersville, Alaska · 553 days ago · 68 km deep · 91 km away
  33. 1.515 km WSW of Susitna North, Alaska · 553 days ago · 9 km deep · 58 km away
  34. 1.933 km WNW of Skwentna, Alaska · 552 days ago · 102 km deep · 77 km away
  35. 2.517 km ESE of Point Possession, Alaska · 552 days ago · 45 km deep · 95 km away · felt by 1
  36. 2.14 km NW of Point MacKenzie, Alaska · 552 days ago · 44 km deep · 52 km away · felt by 1
  37. 1.818 km SSW of Susitna North, Alaska · 552 days ago · 45 km deep · 56 km away
  38. 1.68 km NE of Willow, Alaska · 552 days ago · 41 km deep · 46 km away
  39. 1.510 km W of Point Possession, Alaska · 551 days ago · 20 km deep · 84 km away
  40. 1.743 km NW of Skwentna, Alaska · 551 days ago · 98 km deep · 89 km away
  41. 2.153 km NW of Skwentna, Alaska · 551 days ago · 112 km deep · 100 km away
  42. 1.817 km NE of Beluga, Alaska · 551 days ago · 55 km deep · 51 km away
  43. 1.724 km ESE of Skwentna, Alaska · 551 days ago · 64 km deep · 29 km away
  44. 1.729 km W of Skwentna, Alaska · 551 days ago · 118 km deep · 69 km away
  45. 1.78 km NNW of Susitna, Alaska · 550 days ago · 52 km deep · 13 km away
  46. 1.520 km NNE of Willow, Alaska · 550 days ago · 11 km deep · 52 km away
  47. 1.72 km E of Tyonek, Alaska · 550 days ago · 62 km deep · 71 km away
  48. 2.346 km SW of Skwentna, Alaska · 549 days ago · 104 km deep · 66 km away
  49. 1.58 km SW of Trapper Creek, Alaska · 549 days ago · 11 km deep · 68 km away
  50. 2.27 km SE of Eagle River, Alaska · 549 days ago · 29 km deep · 83 km away · felt by 1
  51. 2.541 km WSW of Skwentna, Alaska · 548 days ago · 119 km deep · 69 km away
  52. 1.717 km NW of Skwentna, Alaska · 548 days ago · 97 km deep · 64 km away
  53. 1.621 km W of Anchorage, Alaska · 548 days ago · 13 km deep · 60 km away
  54. 1.660 km WNW of Tyonek, Alaska · 548 days ago · 116 km deep · 87 km away
  55. 1.618 km SW of Point MacKenzie, Alaska · 548 days ago · 47 km deep · 56 km away
  56. 1.57 km S of Willow, Alaska · 548 days ago · 36 km deep · 39 km away
  57. 1.916 km WSW of Trapper Creek, Alaska · 548 days ago · 13 km deep · 65 km away
  58. 1.95 km NW of Houston, Alaska · 547 days ago · 19 km deep · 48 km away
  59. 1.638 km SSW of Skwentna, Alaska · 547 days ago · 105 km deep · 46 km away
  60. 1.533 km NW of Susitna, Alaska · 547 days ago · 72 km deep · 13 km away

The first 60 of at least 200.

Before

  1. 2.79 km ESE of Skwentna, Alaska · 560 days ago · 68 km deep · 38 km away
  2. 1.62 km SSE of Meadow Lakes, Alaska · 561 days ago · 30 km deep · 64 km away
  3. 1.622 km WNW of Fishhook, Alaska · 561 days ago · 40 km deep · 65 km away
  4. 1.68 km WNW of Susitna, Alaska · 562 days ago · 46 km deep · 16 km away
  5. 1.76 km NW of Susitna, Alaska · 562 days ago · 57 km deep · 15 km away
  6. 2.221 km WSW of Point MacKenzie, Alaska · 562 days ago · 46 km deep · 52 km away
  7. 1.536 km E of Skwentna, Alaska · 562 days ago · 56 km deep · 36 km away
  8. 1.65 km W of Petersville, Alaska · 562 days ago · 74 km deep · 90 km away
  9. 1.524 km NW of Susitna, Alaska · 563 days ago · 72 km deep · 4 km away
  10. 2.867 km WNW of Beluga, Alaska · 563 days ago · 1 km deep · 90 km away
  11. 1.630 km WSW of Tyonek, Alaska · 563 days ago · 76 km deep · 96 km away
  12. 1.73 km NW of Susitna, Alaska · 563 days ago · 50 km deep · 18 km away
  13. 1.621 km SE of Skwentna, Alaska · 563 days ago · 68 km deep · 26 km away
  14. 2.330 km SW of Petersville, Alaska · 563 days ago · 84 km deep · 72 km away
  15. 1.719 km SSE of Susitna North, Alaska · 563 days ago · 41 km deep · 63 km away
  16. 1.71 km SW of Tyonek, Alaska · 563 days ago · 62 km deep · 74 km away
  17. 1.710 km NE of Point Possession, Alaska · 563 days ago · 15 km deep · 78 km away · felt by 1
  18. 1.521 km ESE of Susitna North, Alaska · 564 days ago · 44 km deep · 81 km away
  19. 2.117 km NE of Beluga, Alaska · 564 days ago · 64 km deep · 48 km away
  20. 1.621 km E of Susitna North, Alaska · 564 days ago · 44 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0253odgibi. Read Fri, Oct 2, 2026, 10:19 AM UTC.