Alaska earthquakes

M1.8 earthquake 16 km ESE of Ninilchik, Alaska

A magnitude 1.8 earthquake struck 16 km ESE of Ninilchik, Alaska on Wed, Feb 17, 2021, 11:55 AM AKST (20:55 UTC), 58 km (36 mi) below the surface.

A larger quake followed: M4.0 55 km ENE of Pedro Bay, Alaska. This one was a foreshock.

Ninilchik 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
1.8 (ml), micro
Local time
UTC
2021-02-17 20:55:48 UTC
Depth
57.6 km (35.8 mi), shallow
Epicenter
60.016° N, 151.389° 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
40

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 199 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.570 km WNW of Happy Valley, Alaska · 2051 days ago · 111 km deep · 88 km away
  2. 1.914 km ESE of Clam Gulch, Alaska · 2051 days ago · 61 km deep · 21 km away
  3. 2.531 km W of Nanwalek, Alaska · 2051 days ago · 65 km deep · 100 km away
  4. 1.546 km W of Anchor Point, Alaska · 2050 days ago · 81 km deep · 73 km away
  5. 2.062 km ENE of Pedro Bay, Alaska · 2050 days ago · 116 km deep · 92 km away
  6. 2.019 km NW of Nikiski, Alaska · 2050 days ago · 74 km deep · 91 km away
  7. 4.055 km ENE of Pedro Bay, Alaska · 2050 days ago · 139 km deep · 99 km away · felt by 3
  8. 1.533 km WSW of Anchor Point, Alaska · 2050 days ago · 72 km deep · 68 km away
  9. 1.826 km WNW of Anchor Point, Alaska · 2050 days ago · 80 km deep · 49 km away
  10. 2.022 km WSW of Nanwalek, Alaska · 2050 days ago · 59 km deep · 98 km away
  11. 1.68 km W of Happy Valley, Alaska · 2050 days ago · 56 km deep · 28 km away
  12. 1.529 km WNW of Anchor Point, Alaska · 2050 days ago · 80 km deep · 50 km away
  13. 1.530 km NW of Ninilchik, Alaska · 2050 days ago · 74 km deep · 45 km away
  14. 1.522 km NNE of Sterling, Alaska · 2049 days ago · 55 km deep · 90 km away
  15. 2.123 km WNW of Ninilchik, Alaska · 2049 days ago · 69 km deep · 39 km away
  16. 1.845 km WNW of Ninilchik, Alaska · 2049 days ago · 102 km deep · 61 km away
  17. 1.664 km NW of Ninilchik, Alaska · 2049 days ago · 103 km deep · 78 km away
  18. 1.643 km WNW of Ninilchik, Alaska · 2049 days ago · 93 km deep · 60 km away
  19. 1.759 km WNW of Anchor Point, Alaska · 2049 days ago · 94 km deep · 80 km away
  20. 1.766 km E of Port Alsworth, Alaska · 2049 days ago · 124 km deep · 98 km away
  21. 1.541 km WNW of Ninilchik, Alaska · 2048 days ago · 95 km deep · 57 km away
  22. 1.541 km W of Salamatof, Alaska · 2048 days ago · 77 km deep · 77 km away
  23. 2.840 km NW of Ninilchik, Alaska · 2048 days ago · 97 km deep · 56 km away
  24. 1.921 km SW of Nanwalek, Alaska · 2048 days ago · 57 km deep · 99 km away
  25. 1.749 km WNW of Nanwalek, Alaska · 2048 days ago · 91 km deep · 96 km away
  26. 1.861 km E of Pedro Bay, Alaska · 2048 days ago · 105 km deep · 96 km away
  27. 1.721 km WSW of Anchor Point, Alaska · 2048 days ago · 69 km deep · 57 km away
  28. 1.868 km E of Port Alsworth, Alaska · 2047 days ago · 116 km deep · 95 km away
  29. 1.657 km ENE of Pedro Bay, Alaska · 2047 days ago · 123 km deep · 99 km away
  30. 1.513 km W of Salamatof, Alaska · 2047 days ago · 73 km deep · 66 km away
  31. 1.553 km W of Anchor Point, Alaska · 2046 days ago · 87 km deep · 83 km away
  32. 1.729 km WNW of Nanwalek, Alaska · 2046 days ago · 62 km deep · 83 km away
  33. 1.868 km WNW of Happy Valley, Alaska · 2046 days ago · 102 km deep · 84 km away
  34. 1.815 km WNW of Nikiski, Alaska · 2046 days ago · 72 km deep · 82 km away
  35. 1.8Southern Alaska · 2045 days ago · 81 km deep · 52 km away
  36. 1.520 km NNW of Nanwalek, Alaska · 2045 days ago · 61 km deep · 66 km away
  37. 1.826 km WNW of Anchor Point, Alaska · 2045 days ago · 83 km deep · 49 km away
  38. 1.561 km NW of Ninilchik, Alaska · 2045 days ago · 94 km deep · 75 km away
  39. 1.558 km ENE of Pedro Bay, Alaska · 2045 days ago · 120 km deep · 97 km away
  40. 2.856 km W of Anchor Point, Alaska · 2045 days ago · 90 km deep · 86 km away
  41. 1.662 km WNW of Anchor Point, Alaska · 2044 days ago · 94 km deep · 84 km away
  42. 1.614 km ESE of Clam Gulch, Alaska · 2044 days ago · 69 km deep · 25 km away
  43. 1.659 km NW of Ninilchik, Alaska · 2044 days ago · 101 km deep · 73 km away
  44. 1.643 km NW of Ninilchik, Alaska · 2044 days ago · 91 km deep · 59 km away
  45. 1.936 km WNW of Ninilchik, Alaska · 2044 days ago · 90 km deep · 52 km away
  46. 2.610 km SW of Anchor Point, Alaska · 2044 days ago · 61 km deep · 47 km away
  47. 1.827 km W of Anchor Point, Alaska · 2044 days ago · 84 km deep · 57 km away
  48. 1.875 km E of Port Alsworth, Alaska · 2044 days ago · 121 km deep · 92 km away
  49. 1.623 km WNW of Nikiski, Alaska · 2044 days ago · 75 km deep · 88 km away
  50. 1.6Southern Alaska · 2043 days ago · 96 km deep · 87 km away
  51. 1.844 km WNW of Anchor Point, Alaska · 2043 days ago · 83 km deep · 70 km away
  52. 1.539 km W of Anchor Point, Alaska · 2043 days ago · 86 km deep · 70 km away
  53. 1.79 km NW of Happy Valley, Alaska · 2043 days ago · 60 km deep · 24 km away
  54. 1.548 km W of Anchor Point, Alaska · 2043 days ago · 89 km deep · 80 km away
  55. 1.80 km WNW of Fox River, Alaska · 2043 days ago · 39 km deep · 30 km away
  56. 1.661 km ENE of Pedro Bay, Alaska · 2043 days ago · 126 km deep · 95 km away
  57. 1.667 km ENE of Pedro Bay, Alaska · 2042 days ago · 109 km deep · 90 km away
  58. 1.738 km WNW of Ninilchik, Alaska · 2042 days ago · 92 km deep · 54 km away
  59. 2.521 km ENE of Fox River, Alaska · 2042 days ago · 2 km deep · 43 km away
  60. 1.541 km WNW of Nanwalek, Alaska · 2042 days ago · 88 km deep · 85 km away

The first 60 of at least 199.

Before

  1. 1.543 km NW of Ninilchik, Alaska · 2051 days ago · 89 km deep · 58 km away
  2. 2.128 km W of Salamatof, Alaska · 2052 days ago · 76 km deep · 71 km away
  3. 1.917 km ESE of Kasilof, Alaska · 2052 days ago · 45 km deep · 39 km away
  4. 2.128 km WNW of Anchor Point, Alaska · 2052 days ago · 79 km deep · 55 km away
  5. 2.264 km WNW of Happy Valley, Alaska · 2052 days ago · 114 km deep · 82 km away
  6. 1.636 km WNW of Happy Valley, Alaska · 2052 days ago · 82 km deep · 54 km away
  7. 2.145 km WNW of Ninilchik, Alaska · 2052 days ago · 88 km deep · 61 km away
  8. 1.960 km WNW of Anchor Point, Alaska · 2052 days ago · 94 km deep · 84 km away
  9. 1.64 km NNE of Anchor Point, Alaska · 2052 days ago · 64 km deep · 32 km away
  10. 2.159 km ENE of Pedro Bay, Alaska · 2053 days ago · 110 km deep · 96 km away
  11. 1.565 km WNW of Anchor Point, Alaska · 2053 days ago · 97 km deep · 87 km away
  12. 1.859 km W of Anchor Point, Alaska · 2053 days ago · 104 km deep · 86 km away
  13. 1.535 km WNW of Nanwalek, Alaska · 2053 days ago · 73 km deep · 89 km away
  14. 1.54 km WSW of Halibut Cove, Alaska · 2053 days ago · 4 km deep · 48 km away
  15. 1.543 km W of Salamatof, Alaska · 2053 days ago · 112 km deep · 82 km away
  16. 2.540 km WNW of Happy Valley, Alaska · 2053 days ago · 77 km deep · 59 km away
  17. 1.916 km E of Ninilchik, Alaska · 2053 days ago · 58 km deep · 2 km away
  18. 2.041 km WNW of Nanwalek, Alaska · 2053 days ago · 71 km deep · 89 km away
  19. 1.527 km WNW of Nanwalek, Alaska · 2053 days ago · 67 km deep · 86 km away
  20. 1.667 km E of Port Alsworth, Alaska · 2054 days ago · 117 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02127q17xr. Read Wed, Sep 30, 2026, 9:01 PM UTC.