Alaska earthquakes

M1.6 earthquake 19 km W of Tyonek, Alaska

A magnitude 1.6 earthquake struck 19 km W of Tyonek, Alaska on Wed, Oct 27, 2021, 8:37 AM AKDT (16:37 UTC), 70 km (44 mi) below the surface.

A larger quake followed: M2.3 7 km WSW of Point MacKenzie, 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
1.6 (ml), micro
Local time
UTC
2021-10-27 16:37:57 UTC
Depth
70.4 km (43.7 mi), intermediate-depth
Epicenter
61.057° N, 151.499° 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
43

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. 2.37 km WSW of Point MacKenzie, Alaska · 1767 days ago · 40 km deep · 81 km away
  2. 1.537 km S of Skwentna, Alaska · 1767 days ago · 76 km deep · 68 km away
  3. 2.112 km SW of Salamatof, Alaska · 1766 days ago · 69 km deep · 57 km away
  4. 1.813 km WNW of Clam Gulch, Alaska · 1766 days ago · 63 km deep · 85 km away
  5. 1.634 km SSW of Skwentna, Alaska · 1766 days ago · 82 km deep · 74 km away
  6. 1.678 km W of Salamatof, Alaska · 1766 days ago · 113 km deep · 87 km away
  7. 1.554 km NW of Ninilchik, Alaska · 1766 days ago · 102 km deep · 88 km away
  8. 1.7Southern Alaska · 1766 days ago · 6 km deep · 56 km away
  9. 1.625 km SE of Skwentna, Alaska · 1765 days ago · 64 km deep · 87 km away
  10. 1.965 km SW of Skwentna, Alaska · 1765 days ago · 127 km deep · 63 km away
  11. 2.338 km W of Cohoe, Alaska · 1765 days ago · 85 km deep · 74 km away
  12. 1.629 km SSE of Skwentna, Alaska · 1765 days ago · 68 km deep · 81 km away
  13. 1.623 km SSW of Susitna, Alaska · 1764 days ago · 51 km deep · 54 km away
  14. 1.67 km SE of Soldotna, Alaska · 1764 days ago · 53 km deep · 75 km away
  15. 1.515 km S of Anchorage, Alaska · 1764 days ago · 33 km deep · 85 km away · felt by 1
  16. 1.628 km ESE of Skwentna, Alaska · 1764 days ago · 71 km deep · 98 km away
  17. 1.814 km SSW of Skwentna, Alaska · 1763 days ago · 75 km deep · 90 km away · felt by 1
  18. 1.611 km WSW of Salamatof, Alaska · 1763 days ago · 65 km deep · 55 km away
  19. 1.646 km NW of Ninilchik, Alaska · 1763 days ago · 83 km deep · 89 km away
  20. 1.547 km W of Tyonek, Alaska · 1763 days ago · 90 km deep · 29 km away
  21. 1.745 km WNW of Beluga, Alaska · 1763 days ago · 83 km deep · 36 km away
  22. 1.559 km NW of Ninilchik, Alaska · 1762 days ago · 89 km deep · 92 km away
  23. 1.513 km WNW of Susitna, Alaska · 1762 days ago · 45 km deep · 72 km away
  24. 1.861 km W of Salamatof, Alaska · 1762 days ago · 101 km deep · 68 km away
  25. 2.111 km WSW of Point MacKenzie, Alaska · 1762 days ago · 48 km deep · 77 km away
  26. 1.650 km NW of Beluga, Alaska · 1761 days ago · 92 km deep · 51 km away
  27. 1.820 km ESE of Skwentna, Alaska · 1761 days ago · 68 km deep · 98 km away
  28. 1.531 km ESE of Skwentna, Alaska · 1761 days ago · 66 km deep · 95 km away
  29. 1.627 km WSW of Hope, Alaska · 1761 days ago · 41 km deep · 80 km away
  30. 1.59 km NE of Susitna, Alaska · 1760 days ago · 44 km deep · 85 km away
  31. 1.912 km S of Soldotna, Alaska · 1760 days ago · 39 km deep · 79 km away
  32. 1.630 km NW of Nikiski, Alaska · 1760 days ago · 74 km deep · 23 km away
  33. 1.65 km ENE of Point MacKenzie, Alaska · 1760 days ago · 18 km deep · 94 km away
  34. 1.748 km NW of Ninilchik, Alaska · 1760 days ago · 81 km deep · 91 km away
  35. 1.943 km NW of Ninilchik, Alaska · 1760 days ago · 89 km deep · 89 km away
  36. 1.624 km NW of Ninilchik, Alaska · 1759 days ago · 73 km deep · 96 km away
  37. 1.627 km SE of Skwentna, Alaska · 1759 days ago · 73 km deep · 86 km away
  38. 1.925 km WNW of Nikiski, Alaska · 1759 days ago · 81 km deep · 32 km away
  39. 1.764 km WNW of Nikiski, Alaska · 1759 days ago · 102 km deep · 48 km away
  40. 1.712 km SSE of Soldotna, Alaska · 1759 days ago · 66 km deep · 80 km away
  41. 1.525 km SE of Point Possession, Alaska · 1759 days ago · 39 km deep · 69 km away
  42. 1.832 km WNW of Salamatof, Alaska · 1759 days ago · 95 km deep · 46 km away
  43. 1.771 km WNW of Nikiski, Alaska · 1759 days ago · 116 km deep · 53 km away
  44. 1.79 km NNW of Point Possession, Alaska · 1759 days ago · 14 km deep · 41 km away
  45. 1.840 km SSW of Skwentna, Alaska · 1759 days ago · 97 km deep · 71 km away
  46. 1.741 km NNW of Beluga, Alaska · 1758 days ago · 12 km deep · 49 km away
  47. 1.638 km NW of Ninilchik, Alaska · 1758 days ago · 86 km deep · 89 km away
  48. 1.5Southern Alaska · 1758 days ago · 91 km deep · 30 km away
  49. 2.151 km NW of Ninilchik, Alaska · 1758 days ago · 89 km deep · 87 km away
  50. 1.631 km WNW of Nikiski, Alaska · 1758 days ago · 82 km deep · 32 km away
  51. 1.965 km W of Tyonek, Alaska · 1758 days ago · 115 km deep · 46 km away
  52. 1.55 km W of Point MacKenzie, Alaska · 1757 days ago · 43 km deep · 82 km away
  53. 1.65 km E of Susitna, Alaska · 1757 days ago · 69 km deep · 80 km away
  54. 1.641 km NW of Beluga, Alaska · 1757 days ago · 85 km deep · 39 km away
  55. 1.557 km NW of Ninilchik, Alaska · 1757 days ago · 83 km deep · 83 km away
  56. 1.549 km NW of Beluga, Alaska · 1757 days ago · 84 km deep · 47 km away
  57. 1.923 km SSW of Skwentna, Alaska · 1757 days ago · 94 km deep · 83 km away
  58. 1.517 km SSE of Tyonek, Alaska · 1757 days ago · 20 km deep · 30 km away
  59. 1.817 km SW of Hope, Alaska · 1757 days ago · 7 km deep · 91 km away
  60. 1.537 km W of Susitna, Alaska · 1757 days ago · 73 km deep · 56 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021dsez3pc. Read Thu, Sep 24, 2026, 10:04 AM UTC.