Alaska earthquakes

M1.8 earthquake 33 km SSW of Nanwalek, Alaska

A magnitude 1.8 earthquake struck 33 km SSW of Nanwalek, Alaska on Wed, Aug 25, 2021, 8:24 PM AKDT (04:24 UTC), 75 km (46 mi) below the surface.

A larger quake followed: M3.6 15 km WSW of Anchor Point, 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
1.8 (ml), micro
Local time
UTC
2021-08-26 04:24:48 UTC
Depth
74.5 km (46.3 mi), intermediate-depth
Epicenter
59.093° N, 152.221° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
66

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 200 in the 60 days after this one and 124 in the 30 days before it.

After

  1. 1.67 km SW of Halibut Cove, Alaska · 1857 days ago · 10 km deep · 72 km away
  2. 2.03 km SE of Nikolaevsk, Alaska · 1857 days ago · 52 km deep · 86 km away
  3. 1.556 km W of Nanwalek, Alaska · 1857 days ago · 100 km deep · 51 km away
  4. 1.655 km E of Pedro Bay, Alaska · 1856 days ago · 108 km deep · 93 km away
  5. 3.615 km WSW of Anchor Point, Alaska · 1856 days ago · 62 km deep · 68 km away · felt by 5
  6. 2.345 km WSW of Nanwalek, Alaska · 1856 days ago · 65 km deep · 26 km away
  7. 1.652 km WNW of Nanwalek, Alaska · 1856 days ago · 86 km deep · 61 km away
  8. 3.065 km WNW of Nanwalek, Alaska · 1855 days ago · 97 km deep · 68 km away
  9. 1.911 km SE of Halibut Cove, Alaska · 1855 days ago · 8 km deep · 79 km away
  10. 2.124 km S of Nanwalek, Alaska · 1855 days ago · 49 km deep · 14 km away
  11. 2.065 km W of Nanwalek, Alaska · 1855 days ago · 80 km deep · 51 km away
  12. 2.3Southern Alaska · 1855 days ago · 76 km deep · 96 km away
  13. 1.643 km E of Pedro Bay, Alaska · 1854 days ago · 127 km deep · 100 km away
  14. 2.152 km W of Nanwalek, Alaska · 1854 days ago · 76 km deep · 46 km away
  15. 1.773 km SE of Kokhanok, Alaska · 1854 days ago · 41 km deep · 98 km away
  16. 1.763 km E of Pedro Bay, Alaska · 1854 days ago · 86 km deep · 83 km away
  17. 1.638 km WSW of Anchor Point, Alaska · 1854 days ago · 68 km deep · 59 km away
  18. 1.663 km SE of Pedro Bay, Alaska · 1852 days ago · 116 km deep · 76 km away · felt by 1
  19. 1.548 km WNW of Nanwalek, Alaska · 1851 days ago · 85 km deep · 52 km away
  20. 2.160 km SE of Pedro Bay, Alaska · 1851 days ago · 98 km deep · 75 km away
  21. 1.842 km WSW of Nanwalek, Alaska · 1851 days ago · 77 km deep · 20 km away
  22. 1.846 km E of Pedro Bay, Alaska · 1851 days ago · 118 km deep · 97 km away
  23. 2.159 km WNW of Nanwalek, Alaska · 1851 days ago · 84 km deep · 62 km away
  24. 1.863 km WSW of Nanwalek, Alaska · 1850 days ago · 74 km deep · 40 km away
  25. 2.153 km E of Pedro Bay, Alaska · 1850 days ago · 97 km deep · 90 km away
  26. 2.351 km WNW of Nanwalek, Alaska · 1850 days ago · 79 km deep · 62 km away
  27. 1.751 km ESE of Pedro Bay, Alaska · 1850 days ago · 106 km deep · 81 km away
  28. 1.528 km WSW of Anchor Point, Alaska · 1850 days ago · 73 km deep · 70 km away
  29. 2.237 km WSW of Anchor Point, Alaska · 1850 days ago · 69 km deep · 62 km away
  30. 1.67 km WSW of Happy Valley, Alaska · 1850 days ago · 71 km deep · 95 km away
  31. 2.046 km SW of Nanwalek, Alaska · 1849 days ago · 59 km deep · 14 km away
  32. 1.555 km WSW of Nanwalek, Alaska · 1849 days ago · 70 km deep · 34 km away
  33. 1.946 km ESE of Pedro Bay, Alaska · 1849 days ago · 109 km deep · 91 km away
  34. 2.028 km S of Nanwalek, Alaska · 1849 days ago · 55 km deep · 15 km away
  35. 1.641 km ESE of Pedro Bay, Alaska · 1849 days ago · 112 km deep · 92 km away
  36. 2.158 km SSE of Halibut Cove, Alaska · 1848 days ago · 16 km deep · 77 km away
  37. 2.147 km WNW of Anchor Point, Alaska · 1848 days ago · 95 km deep · 98 km away
  38. 1.867 km SE of Port Graham, Alaska · 1848 days ago · 41 km deep · 74 km away
  39. 1.538 km W of Happy Valley, Alaska · 1848 days ago · 79 km deep · 99 km away
  40. 1.662 km SE of Kokhanok, Alaska · 1847 days ago · 101 km deep · 99 km away
  41. 3.625 km W of Nanwalek, Alaska · 1847 days ago · 68 km deep · 30 km away
  42. 3.167 km SW of Nanwalek, Alaska · 1847 days ago · 70 km deep · 40 km away
  43. 1.654 km W of Nanwalek, Alaska · 1847 days ago · 96 km deep · 54 km away
  44. 2.453 km E of Pedro Bay, Alaska · 1846 days ago · 108 km deep · 88 km away
  45. 1.635 km W of Anchor Point, Alaska · 1846 days ago · 77 km deep · 78 km away
  46. 1.527 km NNW of Nanwalek, Alaska · 1846 days ago · 63 km deep · 54 km away
  47. 1.555 km E of Pedro Bay, Alaska · 1846 days ago · 99 km deep · 91 km away
  48. 1.637 km SSW of Nanwalek, Alaska · 1845 days ago · 71 km deep · 4 km away
  49. 1.648 km WNW of Nanwalek, Alaska · 1843 days ago · 80 km deep · 60 km away
  50. 1.840 km W of Nanwalek, Alaska · 1843 days ago · 81 km deep · 40 km away
  51. 1.950 km SE of Pedro Bay, Alaska · 1843 days ago · 119 km deep · 82 km away
  52. 2.362 km E of Pedro Bay, Alaska · 1843 days ago · 96 km deep · 91 km away
  53. 1.976 km SW of Nanwalek, Alaska · 1842 days ago · 67 km deep · 44 km away
  54. 2.059 km SE of Pope-Vannoy Landing, Alaska · 1841 days ago · 107 km deep · 86 km away
  55. 2.042 km WNW of Nanwalek, Alaska · 1841 days ago · 75 km deep · 52 km away
  56. 1.889 km NNW of Aleneva, Alaska · 1841 days ago · 70 km deep · 65 km away
  57. 1.835 km WNW of Nanwalek, Alaska · 1841 days ago · 62 km deep · 43 km away
  58. 1.524 km SW of Anchor Point, Alaska · 1841 days ago · 87 km deep · 62 km away
  59. 1.577 km N of Aleneva, Alaska · 1840 days ago · 70 km deep · 57 km away
  60. 1.566 km SE of Port Graham, Alaska · 1840 days ago · 39 km deep · 66 km away

The first 60 of at least 200.

Before

  1. 2.257 km W of Anchor Point, Alaska · 1858 days ago · 100 km deep · 91 km away
  2. 1.658 km WNW of Nanwalek, Alaska · 1858 days ago · 96 km deep · 65 km away
  3. 2.244 km W of Happy Valley, Alaska · 1858 days ago · 96 km deep · 99 km away
  4. 1.688 km SW of Nanwalek, Alaska · 1858 days ago · 62 km deep · 58 km away
  5. 2.93 km ENE of Kachemak, Alaska · 1859 days ago · 45 km deep · 81 km away · felt by 1
  6. 1.58 km S of Nanwalek, Alaska · 1859 days ago · 54 km deep · 28 km away
  7. 1.550 km W of Nanwalek, Alaska · 1859 days ago · 75 km deep · 46 km away
  8. 1.662 km WNW of Anchor Point, Alaska · 1859 days ago · 109 km deep · 100 km away
  9. 1.517 km W of Nanwalek, Alaska · 1859 days ago · 70 km deep · 30 km away
  10. 1.861 km SE of Pedro Bay, Alaska · 1859 days ago · 104 km deep · 77 km away
  11. 1.633 km SSW of Nanwalek, Alaska · 1859 days ago · 60 km deep · 2 km away
  12. 1.669 km SW of Nanwalek, Alaska · 1860 days ago · 67 km deep · 40 km away
  13. 1.943 km E of Pedro Bay, Alaska · 1860 days ago · 128 km deep · 96 km away
  14. 1.956 km SW of Nanwalek, Alaska · 1860 days ago · 65 km deep · 26 km away
  15. 1.762 km SW of Nanwalek, Alaska · 1860 days ago · 55 km deep · 33 km away
  16. 1.653 km WNW of Nanwalek, Alaska · 1860 days ago · 88 km deep · 56 km away
  17. 1.551 km W of Nanwalek, Alaska · 1861 days ago · 68 km deep · 40 km away
  18. 1.535 km NNE of Aleneva, Alaska · 1861 days ago · 63 km deep · 87 km away
  19. 1.538 km NNE of Aleneva, Alaska · 1862 days ago · 46 km deep · 85 km away
  20. 1.850 km SW of Nanwalek, Alaska · 1862 days ago · 58 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021axofkth. Read Sat, Sep 26, 2026, 3:49 PM UTC.