Alaska earthquakes

M1.6 earthquake 28 km N of Old Harbor, Alaska

A magnitude 1.6 earthquake struck 28 km N of Old Harbor, Alaska on Wed, Feb 24, 2021, 6:18 PM AKST (03:18 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M2.9 38 km NNE of Karluk, 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
1.6 (ml), micro
Local time
UTC
2021-02-25 03:18:52 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
57.450° N, 153.394° 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
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 22 in the 30 days before it.

After

  1. 1.668 km N of Karluk, Alaska · 2042 days ago · 75 km deep · 97 km away
  2. 1.653 km N of Karluk, Alaska · 2042 days ago · 67 km deep · 86 km away
  3. 1.649 km N of Karluk, Alaska · 2040 days ago · 64 km deep · 82 km away
  4. 1.732 km ENE of Old Harbor, Alaska · 2038 days ago · 2 km deep · 39 km away
  5. 2.033 km WNW of Karluk, Alaska · 2038 days ago · 72 km deep · 97 km away
  6. 1.564 km N of Larsen Bay, Alaska · 2037 days ago · 20 km deep · 85 km away
  7. 1.538 km WSW of Port Lions, Alaska · 2035 days ago · 50 km deep · 39 km away
  8. 1.528 km WSW of Port Lions, Alaska · 2035 days ago · 38 km deep · 35 km away
  9. 1.521 km SW of Karluk, Alaska · 2033 days ago · 10 km deep · 78 km away
  10. 2.938 km NNE of Karluk, Alaska · 2032 days ago · 71 km deep · 70 km away
  11. 1.627 km N of Karluk, Alaska · 2032 days ago · 71 km deep · 72 km away
  12. 1.923 km SSW of Karluk, Alaska · 2029 days ago · 25 km deep · 75 km away
  13. 1.830 km WSW of Karluk, Alaska · 2028 days ago · 61 km deep · 92 km away
  14. 2.38 km N of Aleneva, Alaska · 2027 days ago · 65 km deep · 82 km away
  15. 2.434 km NNE of Larsen Bay, Alaska · 2027 days ago · 46 km deep · 48 km away
  16. 1.632 km W of Port Lions, Alaska · 2025 days ago · 9 km deep · 43 km away
  17. 1.545 km NW of Aleneva, Alaska · 2024 days ago · 64 km deep · 97 km away
  18. 2.413 km WSW of Akhiok, Alaska · 2023 days ago · 11 km deep · 86 km away
  19. 2.414 km SSW of Port Lions, Alaska · 2022 days ago · 58 km deep · 42 km away
  20. 1.970 km WNW of Aleneva, Alaska · 2022 days ago · 70 km deep · 92 km away
  21. 1.871 km WNW of Aleneva, Alaska · 2022 days ago · 72 km deep · 93 km away
  22. 1.518 km E of Akhiok, Alaska · 2018 days ago · 7 km deep · 63 km away
  23. 2.057 km NNE of Karluk, Alaska · 2018 days ago · 81 km deep · 80 km away
  24. 2.433 km S of Larsen Bay, Alaska · 2018 days ago · 8 km deep · 44 km away
  25. 1.836 km WSW of Karluk, Alaska · 2017 days ago · 69 km deep · 99 km away
  26. 1.543 km NNE of Larsen Bay, Alaska · 2016 days ago · 55 km deep · 58 km away
  27. 1.712 km SSW of Larsen Bay, Alaska · 2015 days ago · 12 km deep · 38 km away
  28. 2.336 km NNE of Larsen Bay, Alaska · 2014 days ago · 46 km deep · 46 km away
  29. 2.835 km SW of Karluk, Alaska · 2011 days ago · 60 km deep · 93 km away
  30. 1.652 km W of Aleneva, Alaska · 2011 days ago · 65 km deep · 67 km away
  31. 1.917 km WNW of Karluk, Alaska · 2007 days ago · 50 km deep · 81 km away
  32. 1.517 km W of Karluk, Alaska · 2007 days ago · 2 km deep · 82 km away
  33. 2.137 km SW of Karluk, Alaska · 2006 days ago · 47 km deep · 91 km away
  34. 2.233 km NNW of Larsen Bay, Alaska · 2006 days ago · 47 km deep · 61 km away
  35. 2.925 km WNW of Karluk, Alaska · 2003 days ago · 69 km deep · 91 km away
  36. 1.6Kodiak Island region, Alaska · 2002 days ago · 53 km deep · 59 km away
  37. 1.929 km WSW of Old Harbor, Alaska · 2001 days ago · 36 km deep · 42 km away
  38. 1.659 km ESE of Akhiok, Alaska · 2000 days ago · 18 km deep · 89 km away
  39. 1.766 km N of Karluk, Alaska · 1997 days ago · 78 km deep · 96 km away
  40. 1.917 km NNW of Larsen Bay, Alaska · 1996 days ago · 85 km deep · 50 km away
  41. 1.526 km WSW of Karluk, Alaska · 1995 days ago · 71 km deep · 88 km away
  42. 1.536 km NNW of Larsen Bay, Alaska · 1995 days ago · 53 km deep · 63 km away
  43. 1.527 km SE of Larsen Bay, Alaska · 1995 days ago · 45 km deep · 14 km away
  44. 1.616 km S of Karluk, Alaska · 1994 days ago · 61 km deep · 66 km away
  45. 1.744 km WNW of Aleneva, Alaska · 1994 days ago · 64 km deep · 79 km away
  46. 1.834 km NW of Akhiok, Alaska · 1994 days ago · 49 km deep · 82 km away
  47. 2.019 km SW of Karluk, Alaska · 1993 days ago · 44 km deep · 79 km away
  48. 1.829 km SSW of Karluk, Alaska · 1993 days ago · 43 km deep · 79 km away
  49. 2.211 km WNW of Larsen Bay, Alaska · 1992 days ago · 37 km deep · 48 km away
  50. 1.619 km ENE of Akhiok, Alaska · 1991 days ago · 41 km deep · 55 km away
  51. 2.546 km WSW of Aleneva, Alaska · 1991 days ago · 50 km deep · 58 km away
  52. 2.0Kodiak Island region, Alaska · 1987 days ago · 58 km deep · 65 km away
  53. 1.523 km W of Karluk, Alaska · 1986 days ago · 24 km deep · 88 km away

Before

  1. 2.458 km NNE of Karluk, Alaska · 2043 days ago · 56 km deep · 82 km away
  2. 2.126 km S of Old Harbor, Alaska · 2044 days ago · 25 km deep · 53 km away
  3. 3.047 km SSW of Karluk, Alaska · 2045 days ago · 56 km deep · 93 km away
  4. 1.632 km W of Port Lions, Alaska · 2046 days ago · 44 km deep · 45 km away
  5. 1.570 km W of Aleneva, Alaska · 2046 days ago · 73 km deep · 91 km away
  6. 2.443 km NNW of Karluk, Alaska · 2046 days ago · 77 km deep · 99 km away
  7. 1.746 km WNW of Akhiok, Alaska · 2047 days ago · 10 km deep · 91 km away
  8. 2.143 km NNE of Larsen Bay, Alaska · 2048 days ago · 46 km deep · 58 km away
  9. 2.065 km W of Aleneva, Alaska · 2049 days ago · 64 km deep · 85 km away
  10. 1.515 km N of Karluk, Alaska · 2050 days ago · 47 km deep · 70 km away
  11. 1.62 km SE of Ouzinkie, Alaska · 2052 days ago · 41 km deep · 75 km away
  12. 1.810 km NW of Akhiok, Alaska · 2053 days ago · 62 km deep · 73 km away
  13. 1.518 km SW of Port Lions, Alaska · 2059 days ago · 44 km deep · 37 km away
  14. 1.646 km NNW of Karluk, Alaska · 2059 days ago · 12 km deep · 97 km away
  15. 2.337 km NNW of Karluk, Alaska · 2059 days ago · 62 km deep · 92 km away
  16. 2.013 km W of Larsen Bay, Alaska · 2059 days ago · 43 km deep · 49 km away
  17. 2.010 km SSW of Karluk, Alaska · 2060 days ago · 51 km deep · 68 km away
  18. 1.539 km NNW of Karluk, Alaska · 2063 days ago · 73 km deep · 95 km away
  19. 2.128 km NW of Aleneva, Alaska · 2065 days ago · 40 km deep · 87 km away
  20. 1.917 km W of Akhiok, Alaska · 2069 days ago · 10 km deep · 83 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0212knzpby. Read Tue, Sep 29, 2026, 6:55 PM UTC.