Alaska earthquakes

M1.5 earthquake 41 km WNW of Ninilchik, Alaska

A magnitude 1.5 earthquake struck 41 km WNW of Ninilchik, Alaska on Sat, Feb 20, 2021, 2:59 AM AKST (11:59 UTC), 95 km (59 mi) below the surface.

A larger quake followed: M4.2 41 km E 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
1.5 (ml), micro
Local time
UTC
2021-02-20 11:59:29 UTC
Depth
95.4 km (59.3 mi), intermediate-depth
Epicenter
60.242° N, 152.310° 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
31

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 at least 200 in the 30 days before it.

After

  1. 1.680 km ENE of Port Alsworth, Alaska · 2044 days ago · 154 km deep · 49 km away
  2. 2.047 km ESE of Pedro Bay, Alaska · 2044 days ago · 107 km deep · 86 km away
  3. 1.541 km W of Salamatof, Alaska · 2044 days ago · 77 km deep · 44 km away
  4. 2.249 km ENE of Pedro Bay, Alaska · 2043 days ago · 137 km deep · 63 km away
  5. 2.840 km NW of Ninilchik, Alaska · 2043 days ago · 97 km deep · 3 km away
  6. 1.749 km WNW of Nanwalek, Alaska · 2043 days ago · 91 km deep · 87 km away
  7. 1.861 km E of Pedro Bay, Alaska · 2043 days ago · 105 km deep · 68 km away
  8. 1.721 km WSW of Anchor Point, Alaska · 2043 days ago · 69 km deep · 62 km away
  9. 2.165 km ESE of Pedro Bay, Alaska · 2043 days ago · 98 km deep · 88 km away
  10. 2.062 km E of Port Alsworth, Alaska · 2043 days ago · 154 km deep · 50 km away
  11. 2.052 km ENE of Pedro Bay, Alaska · 2043 days ago · 107 km deep · 62 km away
  12. 1.868 km E of Port Alsworth, Alaska · 2043 days ago · 116 km deep · 43 km away
  13. 1.657 km ENE of Pedro Bay, Alaska · 2042 days ago · 123 km deep · 55 km away
  14. 2.435 km ENE of Pedro Bay, Alaska · 2042 days ago · 139 km deep · 77 km away
  15. 1.513 km W of Salamatof, Alaska · 2042 days ago · 73 km deep · 58 km away
  16. 1.644 km NE of Pedro Bay, Alaska · 2042 days ago · 146 km deep · 69 km away
  17. 1.768 km W of Tyonek, Alaska · 2042 days ago · 112 km deep · 88 km away
  18. 1.553 km W of Anchor Point, Alaska · 2041 days ago · 87 km deep · 60 km away
  19. 1.755 km ENE of Pedro Bay, Alaska · 2041 days ago · 110 km deep · 57 km away
  20. 1.729 km WNW of Nanwalek, Alaska · 2041 days ago · 62 km deep · 87 km away
  21. 1.868 km WNW of Happy Valley, Alaska · 2041 days ago · 102 km deep · 34 km away
  22. 1.665 km ESE of Pedro Bay, Alaska · 2041 days ago · 99 km deep · 82 km away
  23. 1.815 km WNW of Nikiski, Alaska · 2041 days ago · 72 km deep · 71 km away
  24. 1.830 km E of Pedro Bay, Alaska · 2041 days ago · 128 km deep · 84 km away
  25. 1.8Southern Alaska · 2041 days ago · 81 km deep · 6 km away
  26. 1.520 km NNW of Nanwalek, Alaska · 2041 days ago · 61 km deep · 81 km away
  27. 1.826 km WNW of Anchor Point, Alaska · 2041 days ago · 83 km deep · 38 km away
  28. 1.561 km NW of Ninilchik, Alaska · 2041 days ago · 94 km deep · 21 km away
  29. 1.558 km ENE of Pedro Bay, Alaska · 2040 days ago · 120 km deep · 54 km away
  30. 2.856 km W of Anchor Point, Alaska · 2040 days ago · 90 km deep · 63 km away
  31. 1.662 km WNW of Anchor Point, Alaska · 2040 days ago · 94 km deep · 45 km away
  32. 1.614 km ESE of Clam Gulch, Alaska · 2040 days ago · 69 km deep · 65 km away
  33. 1.659 km NW of Ninilchik, Alaska · 2040 days ago · 101 km deep · 21 km away
  34. 1.643 km NW of Ninilchik, Alaska · 2040 days ago · 91 km deep · 5 km away
  35. 1.669 km W of Tyonek, Alaska · 2040 days ago · 117 km deep · 90 km away
  36. 1.864 km W of Tyonek, Alaska · 2039 days ago · 106 km deep · 92 km away
  37. 1.655 km W of Tyonek, Alaska · 2039 days ago · 93 km deep · 94 km away
  38. 1.936 km WNW of Ninilchik, Alaska · 2039 days ago · 90 km deep · 5 km away
  39. 2.610 km SW of Anchor Point, Alaska · 2039 days ago · 61 km deep · 63 km away
  40. 1.827 km W of Anchor Point, Alaska · 2039 days ago · 84 km deep · 48 km away
  41. 1.556 km W of Tyonek, Alaska · 2039 days ago · 97 km deep · 85 km away
  42. 2.052 km NE of Pedro Bay, Alaska · 2039 days ago · 138 km deep · 61 km away
  43. 1.875 km E of Port Alsworth, Alaska · 2039 days ago · 121 km deep · 36 km away
  44. 1.623 km WNW of Nikiski, Alaska · 2039 days ago · 75 km deep · 71 km away
  45. 2.641 km ENE of Pedro Bay, Alaska · 2039 days ago · 127 km deep · 72 km away
  46. 1.6Southern Alaska · 2039 days ago · 96 km deep · 41 km away
  47. 1.844 km WNW of Anchor Point, Alaska · 2039 days ago · 83 km deep · 45 km away
  48. 1.539 km W of Anchor Point, Alaska · 2039 days ago · 86 km deep · 54 km away
  49. 1.649 km E of Pedro Bay, Alaska · 2039 days ago · 117 km deep · 66 km away
  50. 1.79 km NW of Happy Valley, Alaska · 2039 days ago · 60 km deep · 36 km away
  51. 1.548 km W of Anchor Point, Alaska · 2039 days ago · 89 km deep · 61 km away
  52. 1.80 km WNW of Fox River, Alaska · 2039 days ago · 39 km deep · 86 km away
  53. 1.661 km ENE of Pedro Bay, Alaska · 2038 days ago · 126 km deep · 51 km away
  54. 1.549 km WNW of Nikiski, Alaska · 2038 days ago · 99 km deep · 76 km away
  55. 1.667 km ENE of Pedro Bay, Alaska · 2038 days ago · 109 km deep · 44 km away
  56. 1.738 km WNW of Ninilchik, Alaska · 2038 days ago · 92 km deep · 3 km away
  57. 1.941 km E of Pedro Bay, Alaska · 2038 days ago · 117 km deep · 77 km away
  58. 2.521 km ENE of Fox River, Alaska · 2038 days ago · 2 km deep · 98 km away
  59. 1.541 km WNW of Nanwalek, Alaska · 2038 days ago · 88 km deep · 80 km away
  60. 2.070 km WNW of Nikiski, Alaska · 2037 days ago · 117 km deep · 79 km away

The first 60 of at least 201.

Before

  1. 2.964 km ESE of Pedro Bay, Alaska · 2044 days ago · 90 km deep · 82 km away
  2. 1.766 km E of Port Alsworth, Alaska · 2044 days ago · 124 km deep · 46 km away
  3. 1.759 km WNW of Anchor Point, Alaska · 2044 days ago · 94 km deep · 40 km away
  4. 1.643 km WNW of Ninilchik, Alaska · 2044 days ago · 93 km deep · 14 km away
  5. 1.664 km NW of Ninilchik, Alaska · 2044 days ago · 103 km deep · 26 km away
  6. 1.845 km WNW of Ninilchik, Alaska · 2044 days ago · 102 km deep · 10 km away
  7. 2.123 km WNW of Ninilchik, Alaska · 2044 days ago · 69 km deep · 19 km away
  8. 1.747 km ESE of Pedro Bay, Alaska · 2045 days ago · 118 km deep · 97 km away
  9. 1.530 km NW of Ninilchik, Alaska · 2045 days ago · 74 km deep · 14 km away
  10. 1.650 km W of Nanwalek, Alaska · 2045 days ago · 80 km deep · 94 km away
  11. 1.665 km W of Nanwalek, Alaska · 2045 days ago · 86 km deep · 100 km away
  12. 1.529 km WNW of Anchor Point, Alaska · 2046 days ago · 80 km deep · 36 km away
  13. 1.68 km W of Happy Valley, Alaska · 2046 days ago · 56 km deep · 39 km away
  14. 1.826 km WNW of Anchor Point, Alaska · 2046 days ago · 80 km deep · 38 km away
  15. 1.533 km WSW of Anchor Point, Alaska · 2046 days ago · 72 km deep · 67 km away
  16. 4.055 km ENE of Pedro Bay, Alaska · 2046 days ago · 139 km deep · 58 km away · felt by 3
  17. 2.019 km NW of Nikiski, Alaska · 2046 days ago · 74 km deep · 79 km away
  18. 2.062 km ENE of Pedro Bay, Alaska · 2046 days ago · 116 km deep · 52 km away
  19. 1.546 km W of Anchor Point, Alaska · 2046 days ago · 81 km deep · 51 km away
  20. 1.914 km ESE of Clam Gulch, Alaska · 2046 days ago · 61 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212cjb6bw. Read Sat, Sep 26, 2026, 10:08 AM UTC.