Alaska earthquakes

M1.5 earthquake 43 km SSW of Cooper Landing, Alaska

A magnitude 1.5 earthquake struck 43 km SSW of Cooper Landing, Alaska on Mon, Aug 23, 2021, 2:07 AM AKDT (10:07 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M4.7 12 km SSW of Clam Gulch, Alaska. This one was a foreshock.

Seward 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
2021-08-23 10:07:40 UTC
Depth
36.8 km (22.9 mi), shallow
Epicenter
60.165° N, 150.246° 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
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 126 in the 60 days after this one and 71 in the 30 days before it.

After

  1. 1.94 km NNW of Sunrise, Alaska · 1864 days ago · 20 km deep · 95 km away
  2. 1.520 km E of Kasilof, Alaska · 1864 days ago · 54 km deep · 41 km away
  3. 1.564 km ESE of Fox River, Alaska · 1863 days ago · 15 km deep · 70 km away
  4. 1.524 km NNE of Fox River, Alaska · 1863 days ago · 49 km deep · 34 km away
  5. 2.93 km ENE of Kachemak, Alaska · 1862 days ago · 45 km deep · 83 km away · felt by 1
  6. 1.97 km ESE of Ninilchik, Alaska · 1862 days ago · 59 km deep · 75 km away
  7. 1.845 km ESE of Halibut Cove, Alaska · 1862 days ago · 30 km deep · 74 km away
  8. 2.415 km ESE of Lowell Point, Alaska · 1862 days ago · 6 km deep · 61 km away · felt by 5
  9. 1.67 km SW of Halibut Cove, Alaska · 1861 days ago · 10 km deep · 91 km away
  10. 1.624 km ENE of Point Possession, Alaska · 1861 days ago · 44 km deep · 89 km away
  11. 2.03 km SE of Nikolaevsk, Alaska · 1861 days ago · 52 km deep · 85 km away
  12. 1.713 km W of Salamatof, Alaska · 1859 days ago · 70 km deep · 89 km away
  13. 1.613 km ENE of Sterling, Alaska · 1859 days ago · 38 km deep · 50 km away
  14. 1.911 km SE of Halibut Cove, Alaska · 1859 days ago · 8 km deep · 87 km away
  15. 1.715 km NW of Kalifornsky, Alaska · 1859 days ago · 66 km deep · 80 km away
  16. 2.226 km SE of Funny River, Alaska · 1859 days ago · 45 km deep · 22 km away
  17. 2.114 km S of Clam Gulch, Alaska · 1859 days ago · 63 km deep · 65 km away
  18. 1.620 km SW of Point Possession, Alaska · 1859 days ago · 61 km deep · 82 km away
  19. 1.8Kenai Peninsula, Alaska · 1859 days ago · 18 km deep · 58 km away
  20. 2.012 km NNE of Ridgeway, Alaska · 1858 days ago · 52 km deep · 66 km away
  21. 1.7Kenai Peninsula, Alaska · 1857 days ago · 7 km deep · 78 km away
  22. 1.79 km NW of Point Possession, Alaska · 1856 days ago · 13 km deep · 95 km away
  23. 1.621 km SW of Lowell Point, Alaska · 1856 days ago · 7 km deep · 42 km away
  24. 1.612 km E of Kasilof, Alaska · 1855 days ago · 51 km deep · 48 km away
  25. 1.78 km NE of Nikiski, Alaska · 1854 days ago · 83 km deep · 82 km away
  26. 1.622 km NNW of Ninilchik, Alaska · 1854 days ago · 67 km deep · 88 km away
  27. 1.50 km SSE of Sterling, Alaska · 1854 days ago · 20 km deep · 50 km away
  28. 1.516 km ENE of Sterling, Alaska · 1854 days ago · 45 km deep · 52 km away
  29. 1.821 km W of Cooper Landing, Alaska · 1854 days ago · 39 km deep · 33 km away
  30. 1.67 km WSW of Happy Valley, Alaska · 1854 days ago · 71 km deep · 93 km away
  31. 1.640 km ESE of Fox River, Alaska · 1853 days ago · 15 km deep · 45 km away
  32. 1.518 km E of Lowell Point, Alaska · 1852 days ago · 7 km deep · 64 km away
  33. 1.510 km NW of Point Possession, Alaska · 1852 days ago · 54 km deep · 98 km away
  34. 1.64 km SSE of Ninilchik, Alaska · 1851 days ago · 80 km deep · 79 km away
  35. 1.516 km NNW of Sterling, Alaska · 1851 days ago · 52 km deep · 66 km away
  36. 1.95 km E of Ninilchik, Alaska · 1847 days ago · 51 km deep · 75 km away
  37. 3.324 km WNW of Clam Gulch, Alaska · 1846 days ago · 66 km deep · 86 km away
  38. 1.99 km SSW of Hope, Alaska · 1846 days ago · 42 km deep · 81 km away · felt by 1
  39. 2.010 km SSE of Kasilof, Alaska · 1846 days ago · 57 km deep · 54 km away
  40. 1.517 km ESE of Clam Gulch, Alaska · 1846 days ago · 62 km deep · 47 km away
  41. 2.615 km WSW of Cooper Landing, Alaska · 1846 days ago · 40 km deep · 30 km away · felt by 2
  42. 3.95 km SSW of Kasilof, Alaska · 1845 days ago · 60 km deep · 61 km away · felt by 39 · tsunami flag
  43. 1.94 km SW of Kasilof, Alaska · 1845 days ago · 58 km deep · 62 km away · felt by 1
  44. 2.063 km ESE of Halibut Cove, Alaska · 1845 days ago · 20 km deep · 81 km away
  45. 2.24 km NE of Ninilchik, Alaska · 1844 days ago · 54 km deep · 76 km away
  46. 3.114 km E of Fritz Creek, Alaska · 1843 days ago · 46 km deep · 66 km away · felt by 6
  47. 1.814 km ESE of Fritz Creek, Alaska · 1843 days ago · 46 km deep · 67 km away
  48. 1.520 km E of Kasilof, Alaska · 1840 days ago · 44 km deep · 40 km away
  49. 1.819 km ENE of Sterling, Alaska · 1839 days ago · 19 km deep · 47 km away · felt by 1
  50. 1.529 km SSW of Cooper Landing, Alaska · 1839 days ago · 37 km deep · 14 km away
  51. 1.525 km WSW of Cooper Landing, Alaska · 1839 days ago · 42 km deep · 30 km away
  52. 1.627 km S of Funny River, Alaska · 1839 days ago · 48 km deep · 31 km away
  53. 1.513 km SSE of Funny River, Alaska · 1839 days ago · 45 km deep · 35 km away
  54. 1.512 km NNE of Ninilchik, Alaska · 1839 days ago · 56 km deep · 72 km away
  55. 1.619 km NNW of Sterling, Alaska · 1837 days ago · 52 km deep · 69 km away
  56. 1.77 km NW of Kalifornsky, Alaska · 1837 days ago · 55 km deep · 71 km away
  57. 1.542 km NE of Fox River, Alaska · 1837 days ago · 10 km deep · 10 km away
  58. 1.57 km ESE of Sunrise, Alaska · 1835 days ago · 19 km deep · 94 km away
  59. 2.314 km WNW of Nikiski, Alaska · 1834 days ago · 71 km deep · 96 km away
  60. 1.68 km ENE of Ninilchik, Alaska · 1831 days ago · 56 km deep · 71 km away

The first 60 of 126.

Before

  1. 1.615 km SW of Cooper Landing, Alaska · 1865 days ago · 43 km deep · 29 km away
  2. 1.612 km WNW of Fox River, Alaska · 1865 days ago · 53 km deep · 58 km away
  3. 1.528 km NNE of Fox River, Alaska · 1866 days ago · 42 km deep · 28 km away
  4. 1.920 km SSE of Fox River, Alaska · 1867 days ago · 36 km deep · 60 km away
  5. 1.77 km E of Ninilchik, Alaska · 1867 days ago · 61 km deep · 72 km away
  6. 1.710 km E of Point Possession, Alaska · 1867 days ago · 10 km deep · 85 km away
  7. 2.923 km NNE of Cooper Landing, Alaska · 1867 days ago · 30 km deep · 67 km away · felt by 1
  8. 1.710 km S of Fox River, Alaska · 1868 days ago · 38 km deep · 61 km away
  9. 1.69 km S of Halibut Cove, Alaska · 1868 days ago · 5 km deep · 92 km away
  10. 2.433 km SSE of Funny River, Alaska · 1869 days ago · 11 km deep · 21 km away
  11. 2.617 km N of Nikiski, Alaska · 1869 days ago · 64 km deep · 96 km away
  12. 2.116 km SSE of Soldotna, Alaska · 1869 days ago · 55 km deep · 43 km away
  13. 1.821 km NNE of Nikiski, Alaska · 1869 days ago · 55 km deep · 90 km away
  14. 2.111 km W of Point Possession, Alaska · 1869 days ago · 12 km deep · 92 km away
  15. 1.516 km SSE of Point Possession, Alaska · 1870 days ago · 35 km deep · 71 km away
  16. 1.614 km W of Point Possession, Alaska · 1870 days ago · 11 km deep · 94 km away
  17. 1.618 km NE of Nikiski, Alaska · 1870 days ago · 6 km deep · 82 km away
  18. 1.614 km WSW of Salamatof, Alaska · 1870 days ago · 71 km deep · 87 km away
  19. 2.422 km W of Nikiski, Alaska · 1871 days ago · 73 km deep · 99 km away
  20. 1.56 km NNE of Anchor Point, Alaska · 1871 days ago · 57 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021astah76. Read Wed, Sep 30, 2026, 10:39 AM UTC.