Alaska earthquakes

M2.0 earthquake 17 km SW of Tyonek, Alaska

A magnitude 2.0 earthquake struck 17 km SW of Tyonek, Alaska on Sat, Dec 18, 2021, 1:03 PM AKST (22:03 UTC), 84 km (52 mi) below the surface.

A larger quake followed: M5.1 48 km NW of Ninilchik, 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
2.0 (ml), micro
Local time
UTC
2021-12-18 22:03:04 UTC
Depth
83.7 km (52.0 mi), intermediate-depth
Epicenter
60.952° N, 151.353° W
Region
Alaska
Felt reports
15
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

15 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
77

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 201 in the 60 days after this one and 190 in the 30 days before it.

After

  1. 1.529 km NW of Beluga, Alaska · 1743 days ago · 76 km deep · 39 km away
  2. 1.57 km SSW of Big Lake, Alaska · 1743 days ago · 31 km deep · 91 km away
  3. 1.716 km SE of Clam Gulch, Alaska · 1743 days ago · 61 km deep · 92 km away
  4. 2.957 km WNW of Ninilchik, Alaska · 1743 days ago · 98 km deep · 100 km away
  5. 1.79 km SSW of Hope, Alaska · 1743 days ago · 28 km deep · 89 km away
  6. 3.126 km WNW of Susitna, Alaska · 1743 days ago · 63 km deep · 80 km away · felt by 1
  7. 2.021 km E of Funny River, Alaska · 1742 days ago · 38 km deep · 73 km away
  8. 1.931 km SE of Skwentna, Alaska · 1742 days ago · 76 km deep · 95 km away
  9. 1.51 km NNW of Kasilof, Alaska · 1742 days ago · 55 km deep · 67 km away
  10. 1.663 km WSW of Salamatof, Alaska · 1742 days ago · 100 km deep · 79 km away
  11. 1.917 km ESE of Kasilof, Alaska · 1742 days ago · 43 km deep · 75 km away
  12. 1.936 km WNW of Kalifornsky, Alaska · 1742 days ago · 79 km deep · 61 km away
  13. 1.848 km W of Salamatof, Alaska · 1741 days ago · 84 km deep · 60 km away
  14. 1.666 km W of Tyonek, Alaska · 1741 days ago · 112 km deep · 55 km away
  15. 1.5Kenai Peninsula, Alaska · 1741 days ago · 47 km deep · 89 km away
  16. 1.5Southern Alaska · 1740 days ago · 89 km deep · 83 km away
  17. 1.56 km S of Kenai, Alaska · 1740 days ago · 62 km deep · 51 km away
  18. 1.823 km WSW of Salamatof, Alaska · 1740 days ago · 69 km deep · 53 km away
  19. 1.567 km WNW of Nikiski, Alaska · 1740 days ago · 110 km deep · 57 km away
  20. 1.732 km W of Salamatof, Alaska · 1740 days ago · 81 km deep · 43 km away
  21. 1.511 km N of Point Possession, Alaska · 1740 days ago · 52 km deep · 36 km away
  22. 2.421 km WSW of Anchorage, Alaska · 1740 days ago · 43 km deep · 62 km away · felt by 1
  23. 1.563 km WNW of Nikiski, Alaska · 1739 days ago · 1 km deep · 52 km away
  24. 1.650 km WNW of Clam Gulch, Alaska · 1739 days ago · 86 km deep · 76 km away
  25. 1.550 km WNW of Beluga, Alaska · 1739 days ago · 92 km deep · 51 km away
  26. 1.572 km W of Nikiski, Alaska · 1739 days ago · 115 km deep · 70 km away
  27. 1.527 km NNW of Beluga, Alaska · 1738 days ago · 74 km deep · 47 km away
  28. 1.616 km SE of Kasilof, Alaska · 1738 days ago · 63 km deep · 83 km away
  29. 1.516 km SSE of Skwentna, Alaska · 1738 days ago · 77 km deep · 99 km away
  30. 1.868 km W of Salamatof, Alaska · 1738 days ago · 128 km deep · 75 km away
  31. 1.641 km SW of Skwentna, Alaska · 1738 days ago · 91 km deep · 87 km away
  32. 1.65 km NNE of Point MacKenzie, Alaska · 1737 days ago · 45 km deep · 91 km away
  33. 2.020 km WSW of Point Possession, Alaska · 1737 days ago · 10 km deep · 21 km away
  34. 1.719 km ESE of Kasilof, Alaska · 1737 days ago · 67 km deep · 78 km away
  35. 2.047 km S of Skwentna, Alaska · 1737 days ago · 77 km deep · 68 km away
  36. 1.558 km SW of Skwentna, Alaska · 1737 days ago · 111 km deep · 84 km away
  37. 1.630 km ESE of Kasilof, Alaska · 1737 days ago · 50 km deep · 89 km away
  38. 1.675 km W of Tyonek, Alaska · 1736 days ago · 120 km deep · 63 km away
  39. 3.22 km WNW of Point MacKenzie, Alaska · 1736 days ago · 44 km deep · 85 km away · felt by 33
  40. 1.635 km WNW of Beluga, Alaska · 1736 days ago · 78 km deep · 37 km away
  41. 1.514 km S of Point Possession, Alaska · 1736 days ago · 50 km deep · 40 km away
  42. 2.725 km SSW of Susitna, Alaska · 1736 days ago · 54 km deep · 55 km away
  43. 1.72 km SSW of Cooper Landing, Alaska · 1736 days ago · 38 km deep · 98 km away
  44. 1.939 km W of Salamatof, Alaska · 1736 days ago · 87 km deep · 54 km away
  45. 1.547 km WNW of Tyonek, Alaska · 1736 days ago · 90 km deep · 44 km away
  46. 2.15 km SW of Funny River, Alaska · 1736 days ago · 48 km deep · 60 km away
  47. 1.716 km WSW of Susitna, Alaska · 1736 days ago · 69 km deep · 67 km away
  48. 1.547 km WNW of Tyonek, Alaska · 1735 days ago · 95 km deep · 42 km away
  49. 1.837 km WNW of Nikiski, Alaska · 1735 days ago · 91 km deep · 38 km away
  50. 1.532 km N of Beluga, Alaska · 1735 days ago · 69 km deep · 55 km away
  51. 1.84 km SSE of Big Lake, Alaska · 1735 days ago · 41 km deep · 96 km away
  52. 1.568 km WNW of Ninilchik, Alaska · 1735 days ago · 117 km deep · 100 km away
  53. 1.532 km W of Kalifornsky, Alaska · 1734 days ago · 74 km deep · 61 km away
  54. 1.662 km W of Tyonek, Alaska · 1734 days ago · 120 km deep · 55 km away
  55. 1.8Kenai Peninsula, Alaska · 1734 days ago · 62 km deep · 71 km away
  56. 1.513 km E of Kasilof, Alaska · 1734 days ago · 50 km deep · 69 km away
  57. 1.559 km WNW of Nikiski, Alaska · 1734 days ago · 103 km deep · 56 km away
  58. 1.55 km ESE of Big Lake, Alaska · 1733 days ago · 25 km deep · 100 km away
  59. 1.825 km W of Susitna, Alaska · 1733 days ago · 70 km deep · 72 km away · felt by 1
  60. 1.514 km WSW of Cooper Landing, Alaska · 1733 days ago · 30 km deep · 90 km away

The first 60 of at least 201.

Before

  1. 1.863 km W of Tyonek, Alaska · 1744 days ago · 114 km deep · 53 km away
  2. 1.519 km ENE of Nikiski, Alaska · 1744 days ago · 63 km deep · 34 km away
  3. 1.86 km NNW of Point MacKenzie, Alaska · 1744 days ago · 27 km deep · 89 km away
  4. 1.927 km NW of Nikiski, Alaska · 1744 days ago · 71 km deep · 13 km away
  5. 2.612 km S of Point Possession, Alaska · 1745 days ago · 41 km deep · 37 km away
  6. 1.928 km WNW of Susitna, Alaska · 1745 days ago · 65 km deep · 78 km away
  7. 1.579 km W of Salamatof, Alaska · 1745 days ago · 133 km deep · 79 km away
  8. 1.658 km SW of Skwentna, Alaska · 1745 days ago · 132 km deep · 96 km away
  9. 3.511 km NNE of Hope, Alaska · 1745 days ago · 28 km deep · 97 km away · felt by 227
  10. 1.514 km SW of Point MacKenzie, Alaska · 1745 days ago · 37 km deep · 73 km away · felt by 4
  11. 1.68 km W of Point MacKenzie, Alaska · 1745 days ago · 39 km deep · 80 km away
  12. 1.634 km S of Skwentna, Alaska · 1746 days ago · 71 km deep · 82 km away
  13. 1.542 km WSW of Salamatof, Alaska · 1746 days ago · 81 km deep · 63 km away
  14. 1.618 km SSE of Point Possession, Alaska · 1746 days ago · 10 km deep · 48 km away
  15. 1.6Southern Alaska · 1746 days ago · 10 km deep · 99 km away
  16. 1.828 km S of Susitna, Alaska · 1746 days ago · 62 km deep · 56 km away
  17. 2.0Southern Alaska · 1747 days ago · 55 km deep · 60 km away
  18. 2.614 km SE of Point Possession, Alaska · 1747 days ago · 48 km deep · 49 km away
  19. 2.869 km WNW of Ninilchik, Alaska · 1747 days ago · 133 km deep · 98 km away
  20. 1.619 km SSW of Point Possession, Alaska · 1748 days ago · 48 km deep · 32 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021g6iacmx. Read Sun, Sep 27, 2026, 5:48 PM UTC.