Alaska earthquakes

M1.7 earthquake 78 km NW of Karluk, Alaska

A magnitude 1.7 earthquake struck 78 km NW of Karluk, Alaska on Tue, Feb 16, 2021, 6:43 AM AKST (15:43 UTC), 106 km (66 mi) below the surface.

A larger quake followed: M3.1 63 km ENE of Ugashik, 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
1.7 (ml), micro
Local time
UTC
2021-02-16 15:43:28 UTC
Depth
106.2 km (66.0 mi), intermediate-depth
Epicenter
58.074° N, 155.380° 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
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 111 in the 60 days after this one and 47 in the 30 days before it.

After

  1. 2.668 km S of Kokhanok, Alaska · 2049 days ago · 143 km deep · 87 km away
  2. 2.271 km W of Karluk, Alaska · 2049 days ago · 5 km deep · 51 km away
  3. 2.064 km WNW of Karluk, Alaska · 2049 days ago · 98 km deep · 34 km away
  4. 1.685 km NNW of Karluk, Alaska · 2049 days ago · 1 km deep · 30 km away
  5. 1.654 km NNW of Karluk, Alaska · 2049 days ago · 4 km deep · 39 km away
  6. 2.087 km W of Karluk, Alaska · 2048 days ago · 98 km deep · 52 km away
  7. 1.515 km N of Karluk, Alaska · 2048 days ago · 47 km deep · 68 km away
  8. 2.065 km W of Aleneva, Alaska · 2047 days ago · 64 km deep · 80 km away
  9. 2.854 km SSE of King Salmon, Alaska · 2047 days ago · 158 km deep · 52 km away
  10. 2.164 km ENE of Ugashik, Alaska · 2046 days ago · 127 km deep · 71 km away
  11. 2.143 km NNE of Larsen Bay, Alaska · 2046 days ago · 46 km deep · 94 km away
  12. 2.093 km E of King Salmon, Alaska · 2046 days ago · 137 km deep · 61 km away
  13. 2.566 km WSW of Karluk, Alaska · 2046 days ago · 65 km deep · 83 km away
  14. 1.766 km WSW of Karluk, Alaska · 2046 days ago · 65 km deep · 85 km away
  15. 2.973 km SE of King Salmon, Alaska · 2046 days ago · 131 km deep · 28 km away
  16. 1.646 km NNW of Karluk, Alaska · 2046 days ago · 71 km deep · 37 km away
  17. 2.258 km E of Ugashik, Alaska · 2046 days ago · 92 km deep · 94 km away
  18. 1.870 km WSW of Karluk, Alaska · 2045 days ago · 72 km deep · 84 km away
  19. 2.443 km NNW of Karluk, Alaska · 2044 days ago · 77 km deep · 38 km away
  20. 1.570 km W of Aleneva, Alaska · 2044 days ago · 73 km deep · 78 km away
  21. 1.664 km E of Ugashik, Alaska · 2043 days ago · 86 km deep · 88 km away
  22. 1.668 km WNW of Aleneva, Alaska · 2042 days ago · 79 km deep · 91 km away
  23. 1.684 km NW of Karluk, Alaska · 2042 days ago · 1 km deep · 14 km away
  24. 2.458 km NNE of Karluk, Alaska · 2041 days ago · 56 km deep · 73 km away
  25. 1.668 km N of Karluk, Alaska · 2040 days ago · 75 km deep · 65 km away
  26. 1.653 km N of Karluk, Alaska · 2040 days ago · 67 km deep · 62 km away
  27. 2.681 km ESE of Egegik, Alaska · 2040 days ago · 127 km deep · 53 km away
  28. 2.189 km N of Karluk, Alaska · 2039 days ago · 5 km deep · 50 km away
  29. 1.649 km N of Karluk, Alaska · 2038 days ago · 64 km deep · 64 km away
  30. 2.033 km WNW of Karluk, Alaska · 2037 days ago · 72 km deep · 46 km away
  31. 1.564 km N of Larsen Bay, Alaska · 2035 days ago · 20 km deep · 77 km away
  32. 2.840 km ENE of Ugashik, Alaska · 2034 days ago · 136 km deep · 95 km away
  33. 1.565 km WNW of Aleneva, Alaska · 2033 days ago · 68 km deep · 93 km away
  34. 2.883 km E of Ugashik, Alaska · 2032 days ago · 96 km deep · 70 km away
  35. 1.521 km SW of Karluk, Alaska · 2031 days ago · 10 km deep · 82 km away
  36. 2.938 km NNE of Karluk, Alaska · 2030 days ago · 71 km deep · 70 km away
  37. 1.627 km N of Karluk, Alaska · 2030 days ago · 71 km deep · 65 km away
  38. 1.883 km ESE of Egegik, Alaska · 2030 days ago · 128 km deep · 45 km away
  39. 1.783 km W of Karluk, Alaska · 2029 days ago · 85 km deep · 71 km away
  40. 1.546 km W of Karluk, Alaska · 2029 days ago · 73 km deep · 51 km away
  41. 1.923 km SSW of Karluk, Alaska · 2027 days ago · 25 km deep · 88 km away
  42. 2.369 km W of Karluk, Alaska · 2027 days ago · 12 km deep · 54 km away
  43. 2.650 km E of King Salmon, Alaska · 2027 days ago · 164 km deep · 75 km away
  44. 1.984 km E of Ugashik, Alaska · 2026 days ago · 76 km deep · 66 km away
  45. 1.830 km WSW of Karluk, Alaska · 2026 days ago · 61 km deep · 73 km away
  46. 2.387 km NNW of Karluk, Alaska · 2025 days ago · 3 km deep · 35 km away
  47. 1.6Kodiak Island region, Alaska · 2025 days ago · 74 km deep · 32 km away
  48. 2.434 km NNE of Larsen Bay, Alaska · 2025 days ago · 46 km deep · 98 km away
  49. 1.955 km E of Ugashik, Alaska · 2025 days ago · 91 km deep · 92 km away
  50. 1.781 km NW of Karluk, Alaska · 2025 days ago · 102 km deep · 5 km away
  51. 2.053 km ESE of King Salmon, Alaska · 2023 days ago · 164 km deep · 50 km away
  52. 1.552 km WNW of Karluk, Alaska · 2022 days ago · 80 km deep · 30 km away
  53. 1.557 km NNW of Karluk, Alaska · 2022 days ago · 81 km deep · 26 km away
  54. 1.979 km SSE of Igiugig, Alaska · 2022 days ago · 147 km deep · 69 km away
  55. 1.659 km SE of King Salmon, Alaska · 2021 days ago · 153 km deep · 43 km away
  56. 2.266 km W of Karluk, Alaska · 2021 days ago · 93 km deep · 53 km away
  57. 1.970 km WNW of Aleneva, Alaska · 2020 days ago · 70 km deep · 78 km away
  58. 1.871 km WNW of Aleneva, Alaska · 2020 days ago · 72 km deep · 76 km away
  59. 2.849 km E of Ugashik, Alaska · 2020 days ago · 119 km deep · 91 km away
  60. 1.685 km E of Ugashik, Alaska · 2017 days ago · 13 km deep · 60 km away

The first 60 of 111.

Before

  1. 1.892 km SSE of Igiugig, Alaska · 2050 days ago · 143 km deep · 64 km away
  2. 1.959 km NW of Karluk, Alaska · 2050 days ago · 87 km deep · 20 km away
  3. 1.886 km NNW of Karluk, Alaska · 2052 days ago · 1 km deep · 24 km away
  4. 2.076 km WNW of Aleneva, Alaska · 2054 days ago · 6 km deep · 79 km away
  5. 1.979 km WNW of Aleneva, Alaska · 2054 days ago · 11 km deep · 79 km away
  6. 1.881 km WNW of Karluk, Alaska · 2056 days ago · 12 km deep · 34 km away
  7. 1.861 km N of Karluk, Alaska · 2056 days ago · 83 km deep · 50 km away
  8. 1.973 km ESE of Egegik, Alaska · 2056 days ago · 147 km deep · 55 km away
  9. 2.169 km ESE of Egegik, Alaska · 2057 days ago · 151 km deep · 56 km away
  10. 2.771 km W of Karluk, Alaska · 2057 days ago · 7 km deep · 52 km away
  11. 1.646 km NNW of Karluk, Alaska · 2057 days ago · 12 km deep · 41 km away
  12. 2.337 km NNW of Karluk, Alaska · 2057 days ago · 62 km deep · 45 km away
  13. 2.013 km W of Larsen Bay, Alaska · 2057 days ago · 43 km deep · 92 km away
  14. 1.968 km SE of King Salmon, Alaska · 2058 days ago · 148 km deep · 33 km away
  15. 3.762 km SE of King Salmon, Alaska · 2058 days ago · 144 km deep · 39 km away
  16. 2.010 km SSW of Karluk, Alaska · 2058 days ago · 51 km deep · 83 km away
  17. 1.738 km SE of King Salmon, Alaska · 2059 days ago · 12 km deep · 64 km away
  18. 1.6100 km NNW of Karluk, Alaska · 2061 days ago · 1 km deep · 52 km away
  19. 2.275 km SSE of Igiugig, Alaska · 2061 days ago · 142 km deep · 76 km away
  20. 1.539 km NNW of Karluk, Alaska · 2062 days ago · 73 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02125zg3ar. Read Mon, Sep 28, 2026, 2:39 AM UTC.