Alaska earthquakes

M1.8 earthquake 70 km WSW of Karluk, Alaska

A magnitude 1.8 earthquake struck 70 km WSW of Karluk, Alaska on Sat, Feb 20, 2021, 8:47 AM AKST (17:47 UTC), 72 km (45 mi) below the surface.

A larger quake followed: M3.5 50 km W of Akhiok, Alaska. This one was a foreshock.

Womens Bay forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.8 (ml), micro
Local time
UTC
2021-02-20 17:47:13 UTC
Depth
71.8 km (44.6 mi), intermediate-depth
Epicenter
57.319° N, 155.536° 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: 110 in the 60 days after this one and 72 in the 30 days before it.

After

  1. 1.746 km WNW of Akhiok, Alaska · 2044 days ago · 10 km deep · 46 km away
  2. 2.179 km WSW of Akhiok, Alaska · 2043 days ago · 65 km deep · 80 km away
  3. 1.859 km SW of Akhiok, Alaska · 2043 days ago · 31 km deep · 87 km away
  4. 2.443 km NNW of Karluk, Alaska · 2043 days ago · 77 km deep · 78 km away
  5. 3.047 km SSW of Karluk, Alaska · 2042 days ago · 56 km deep · 42 km away
  6. 1.867 km SE of Ugashik, Alaska · 2042 days ago · 87 km deep · 59 km away
  7. 2.156 km WNW of Akhiok, Alaska · 2041 days ago · 46 km deep · 36 km away
  8. 1.557 km WNW of Akhiok, Alaska · 2041 days ago · 55 km deep · 35 km away
  9. 1.664 km E of Ugashik, Alaska · 2041 days ago · 86 km deep · 50 km away
  10. 1.856 km WNW of Akhiok, Alaska · 2041 days ago · 65 km deep · 38 km away
  11. 1.684 km NW of Karluk, Alaska · 2041 days ago · 1 km deep · 98 km away
  12. 1.857 km SW of Karluk, Alaska · 2040 days ago · 65 km deep · 34 km away
  13. 1.957 km WNW of Akhiok, Alaska · 2040 days ago · 62 km deep · 37 km away
  14. 1.873 km ESE of Ugashik, Alaska · 2040 days ago · 7 km deep · 52 km away
  15. 1.981 km SE of Ugashik, Alaska · 2039 days ago · 74 km deep · 50 km away
  16. 1.856 km WNW of Akhiok, Alaska · 2039 days ago · 47 km deep · 36 km away
  17. 1.957 km WNW of Akhiok, Alaska · 2038 days ago · 56 km deep · 36 km away
  18. 2.681 km ESE of Egegik, Alaska · 2038 days ago · 127 km deep · 71 km away
  19. 1.651 km WNW of Akhiok, Alaska · 2037 days ago · 46 km deep · 42 km away
  20. 1.554 km WNW of Akhiok, Alaska · 2037 days ago · 27 km deep · 39 km away
  21. 1.741 km ESE of Ugashik, Alaska · 2037 days ago · 2 km deep · 77 km away
  22. 2.457 km WNW of Akhiok, Alaska · 2036 days ago · 63 km deep · 35 km away
  23. 2.357 km WNW of Akhiok, Alaska · 2036 days ago · 58 km deep · 36 km away
  24. 1.873 km SE of Ugashik, Alaska · 2035 days ago · 75 km deep · 61 km away
  25. 2.033 km WNW of Karluk, Alaska · 2035 days ago · 72 km deep · 59 km away
  26. 2.840 km ENE of Ugashik, Alaska · 2032 days ago · 136 km deep · 87 km away
  27. 1.856 km WNW of Akhiok, Alaska · 2032 days ago · 53 km deep · 36 km away
  28. 2.254 km SE of Ugashik, Alaska · 2031 days ago · 86 km deep · 77 km away
  29. 2.883 km E of Ugashik, Alaska · 2030 days ago · 96 km deep · 38 km away
  30. 1.521 km SW of Karluk, Alaska · 2030 days ago · 10 km deep · 52 km away
  31. 1.627 km N of Karluk, Alaska · 2028 days ago · 71 km deep · 88 km away
  32. 1.883 km ESE of Egegik, Alaska · 2028 days ago · 128 km deep · 73 km away
  33. 1.783 km W of Karluk, Alaska · 2028 days ago · 85 km deep · 26 km away
  34. 1.546 km W of Karluk, Alaska · 2028 days ago · 73 km deep · 38 km away
  35. 1.923 km SSW of Karluk, Alaska · 2026 days ago · 25 km deep · 54 km away
  36. 2.369 km W of Karluk, Alaska · 2026 days ago · 12 km deep · 32 km away
  37. 1.984 km E of Ugashik, Alaska · 2025 days ago · 76 km deep · 40 km away
  38. 1.830 km WSW of Karluk, Alaska · 2024 days ago · 61 km deep · 40 km away
  39. 1.6Kodiak Island region, Alaska · 2023 days ago · 74 km deep · 78 km away
  40. 1.955 km E of Ugashik, Alaska · 2023 days ago · 91 km deep · 59 km away
  41. 1.781 km NW of Karluk, Alaska · 2023 days ago · 102 km deep · 83 km away
  42. 1.656 km SW of Karluk, Alaska · 2022 days ago · 26 km deep · 36 km away
  43. 1.552 km WNW of Karluk, Alaska · 2021 days ago · 80 km deep · 60 km away
  44. 1.557 km NNW of Karluk, Alaska · 2021 days ago · 81 km deep · 85 km away
  45. 1.955 km WNW of Akhiok, Alaska · 2020 days ago · 56 km deep · 37 km away
  46. 1.6Alaska Peninsula · 2020 days ago · 70 km deep · 36 km away
  47. 2.057 km WNW of Akhiok, Alaska · 2020 days ago · 61 km deep · 36 km away
  48. 2.049 km ESE of Ugashik, Alaska · 2020 days ago · 91 km deep · 65 km away
  49. 2.413 km WSW of Akhiok, Alaska · 2020 days ago · 11 km deep · 86 km away
  50. 2.266 km W of Karluk, Alaska · 2020 days ago · 93 km deep · 32 km away
  51. 2.849 km E of Ugashik, Alaska · 2019 days ago · 119 km deep · 68 km away
  52. 1.925 km SE of Ugashik, Alaska · 2017 days ago · 109 km deep · 92 km away
  53. 1.754 km SW of Karluk, Alaska · 2016 days ago · 8 km deep · 36 km away
  54. 1.685 km E of Ugashik, Alaska · 2015 days ago · 13 km deep · 45 km away
  55. 1.865 km SW of Karluk, Alaska · 2015 days ago · 62 km deep · 13 km away
  56. 1.848 km SW of Akhiok, Alaska · 2015 days ago · 51 km deep · 82 km away
  57. 2.433 km S of Larsen Bay, Alaska · 2014 days ago · 8 km deep · 92 km away
  58. 1.668 km SSE of Ugashik, Alaska · 2014 days ago · 83 km deep · 96 km away
  59. 1.640 km ESE of Ugashik, Alaska · 2014 days ago · 112 km deep · 73 km away
  60. 2.364 km SW of Akhiok, Alaska · 2014 days ago · 65 km deep · 90 km away

The first 60 of 110.

Before

  1. 2.258 km E of Ugashik, Alaska · 2044 days ago · 92 km deep · 55 km away
  2. 1.646 km NNW of Karluk, Alaska · 2044 days ago · 71 km deep · 81 km away
  3. 2.973 km SE of King Salmon, Alaska · 2044 days ago · 131 km deep · 100 km away
  4. 1.766 km WSW of Karluk, Alaska · 2044 days ago · 65 km deep · 5 km away
  5. 2.566 km WSW of Karluk, Alaska · 2044 days ago · 65 km deep · 5 km away
  6. 2.164 km ENE of Ugashik, Alaska · 2045 days ago · 127 km deep · 74 km away
  7. 1.756 km WNW of Akhiok, Alaska · 2045 days ago · 50 km deep · 37 km away
  8. 1.973 km SE of Ugashik, Alaska · 2045 days ago · 79 km deep · 57 km away
  9. 1.557 km SW of Karluk, Alaska · 2046 days ago · 8 km deep · 35 km away
  10. 1.515 km N of Karluk, Alaska · 2046 days ago · 47 km deep · 78 km away
  11. 1.559 km SW of Akhiok, Alaska · 2046 days ago · 10 km deep · 83 km away
  12. 2.087 km W of Karluk, Alaska · 2046 days ago · 98 km deep · 47 km away
  13. 1.654 km NNW of Karluk, Alaska · 2047 days ago · 4 km deep · 93 km away
  14. 1.856 km WNW of Akhiok, Alaska · 2047 days ago · 49 km deep · 36 km away
  15. 1.657 km WNW of Akhiok, Alaska · 2048 days ago · 46 km deep · 36 km away
  16. 2.064 km WNW of Karluk, Alaska · 2048 days ago · 98 km deep · 50 km away
  17. 2.271 km W of Karluk, Alaska · 2048 days ago · 5 km deep · 36 km away
  18. 1.778 km NW of Karluk, Alaska · 2048 days ago · 106 km deep · 84 km away
  19. 1.757 km WNW of Akhiok, Alaska · 2048 days ago · 56 km deep · 35 km away
  20. 2.4123 km SSE of Ugashik, Alaska · 2048 days ago · 73 km deep · 92 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212cmt64t. Read Sat, Sep 26, 2026, 3:42 PM UTC.