Alaska earthquakes

M1.9 earthquake 70 km NE of Chignik, Alaska

A magnitude 1.9 earthquake struck 70 km NE of Chignik, Alaska on Thu, Aug 19, 2021, 4:58 AM AKDT (12:58 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.4 36 km SSE of Chignik, 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
1.9 (ml), micro
Local time
UTC
2021-08-19 12:58:02 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
56.672° N, 157.486° 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
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 153 in the 60 days after this one and 46 in the 30 days before it.

After

  1. 1.921 km N of Chignik Lagoon, Alaska · 1860 days ago · 93 km deep · 67 km away
  2. 1.680 km ENE of Chignik, Alaska · 1858 days ago · 10 km deep · 22 km away
  3. 2.436 km SSE of Chignik, Alaska · 1858 days ago · 74 km deep · 88 km away
  4. 1.677 km SE of Ugashik, Alaska · 1858 days ago · 78 km deep · 67 km away
  5. 1.773 km ESE of Ugashik, Alaska · 1858 days ago · 80 km deep · 88 km away
  6. 2.2111 km SE of Ugashik, Alaska · 1857 days ago · 67 km deep · 83 km away
  7. 1.792 km ESE of Ugashik, Alaska · 1856 days ago · 20 km deep · 95 km away
  8. 2.036 km SE of Chignik, Alaska · 1856 days ago · 46 km deep · 80 km away
  9. 1.951 km SE of Ugashik, Alaska · 1855 days ago · 9 km deep · 68 km away
  10. 2.1119 km SSE of Ugashik, Alaska · 1855 days ago · 73 km deep · 61 km away
  11. 1.942 km ESE of Chignik, Alaska · 1855 days ago · 55 km deep · 64 km away
  12. 1.986 km ESE of Ugashik, Alaska · 1854 days ago · 2 km deep · 92 km away
  13. 1.6111 km W of Akhiok, Alaska · 1854 days ago · 12 km deep · 93 km away
  14. 2.893 km ESE of Ugashik, Alaska · 1853 days ago · 4 km deep · 100 km away
  15. 3.377 km ESE of Chignik, Alaska · 1852 days ago · 10 km deep · 71 km away
  16. 2.538 km SSW of Ugashik, Alaska · 1851 days ago · 8 km deep · 56 km away
  17. 1.892 km E of Chignik, Alaska · 1850 days ago · 31 km deep · 52 km away
  18. 1.675 km ESE of Chignik, Alaska · 1850 days ago · 12 km deep · 81 km away
  19. 1.975 km SE of Ugashik, Alaska · 1848 days ago · 3 km deep · 83 km away
  20. 2.141 km ENE of Chignik, Alaska · 1847 days ago · 81 km deep · 36 km away
  21. 1.990 km ENE of Chignik, Alaska · 1846 days ago · 43 km deep · 34 km away
  22. 1.8124 km SE of Ugashik, Alaska · 1846 days ago · 68 km deep · 78 km away
  23. 2.2119 km ESE of Chignik, Alaska · 1845 days ago · 20 km deep · 92 km away
  24. 1.646 km ENE of Chignik, Alaska · 1845 days ago · 65 km deep · 28 km away
  25. 2.080 km SE of Ugashik, Alaska · 1844 days ago · 2 km deep · 72 km away
  26. 1.585 km SE of Ugashik, Alaska · 1844 days ago · 14 km deep · 73 km away
  27. 2.2118 km ESE of Chignik, Alaska · 1843 days ago · 8 km deep · 87 km away
  28. 1.745 km ESE of Port Heiden, Alaska · 1841 days ago · 83 km deep · 30 km away
  29. 1.664 km ENE of Chignik, Alaska · 1840 days ago · 65 km deep · 12 km away
  30. 3.296 km ENE of Chignik, Alaska · 1838 days ago · 6 km deep · 33 km away
  31. 2.275 km ESE of Chignik, Alaska · 1838 days ago · 19 km deep · 77 km away
  32. 1.7105 km W of Akhiok, Alaska · 1836 days ago · 29 km deep · 100 km away
  33. 1.646 km SE of Ugashik, Alaska · 1834 days ago · 1 km deep · 81 km away
  34. 1.671 km SE of Ugashik, Alaska · 1834 days ago · 1 km deep · 80 km away
  35. 1.754 km ESE of Ugashik, Alaska · 1834 days ago · 2 km deep · 92 km away
  36. 1.860 km ESE of Ugashik, Alaska · 1833 days ago · 3 km deep · 85 km away
  37. 2.074 km NE of Chignik, Alaska · 1832 days ago · 2 km deep · 4 km away
  38. 1.995 km ESE of Ugashik, Alaska · 1832 days ago · 17 km deep · 99 km away
  39. 3.299 km ENE of Chignik, Alaska · 1831 days ago · 7 km deep · 36 km away
  40. 2.586 km ENE of Chignik, Alaska · 1831 days ago · 12 km deep · 30 km away
  41. 2.892 km SSE of Ugashik, Alaska · 1831 days ago · 41 km deep · 26 km away
  42. 2.7118 km WSW of Akhiok, Alaska · 1830 days ago · 8 km deep · 91 km away
  43. 2.231 km ESE of Chignik, Alaska · 1827 days ago · 61 km deep · 65 km away
  44. 1.856 km SE of Ugashik, Alaska · 1826 days ago · 89 km deep · 77 km away
  45. 1.8109 km SSE of Ugashik, Alaska · 1826 days ago · 59 km deep · 49 km away
  46. 2.1101 km SE of Ugashik, Alaska · 1820 days ago · 2 km deep · 74 km away
  47. 2.098 km SE of Ugashik, Alaska · 1814 days ago · 59 km deep · 76 km away
  48. 1.722 km E of Chignik, Alaska · 1813 days ago · 9 km deep · 57 km away
  49. 2.490 km SE of Ugashik, Alaska · 1813 days ago · 60 km deep · 82 km away
  50. 3.0119 km E of Chignik, Alaska · 1813 days ago · 69 km deep · 70 km away
  51. 2.113 km E of Ugashik, Alaska · 1812 days ago · 118 km deep · 94 km away
  52. 2.0Alaska Peninsula · 1810 days ago · 4 km deep · 83 km away
  53. 1.770 km ESE of Ugashik, Alaska · 1810 days ago · 2 km deep · 92 km away
  54. 3.389 km SE of Ugashik, Alaska · 1809 days ago · 12 km deep · 85 km away
  55. 2.797 km SE of Ugashik, Alaska · 1809 days ago · 6 km deep · 88 km away
  56. 2.796 km SE of Ugashik, Alaska · 1809 days ago · 8 km deep · 87 km away
  57. 2.4106 km E of Chignik, Alaska · 1809 days ago · 1 km deep · 62 km away
  58. 6.9112 km E of Chignik, Alaska · 1808 days ago · 52 km deep · 70 km away · felt by 320 · tsunami flag
  59. 4.2115 km E of Chignik, Alaska · 1807 days ago · 53 km deep · 73 km away
  60. 3.5113 km E of Chignik, Alaska · 1807 days ago · 67 km deep · 76 km away

The first 60 of 153.

Before

  1. 2.174 km ENE of Chignik, Alaska · 1861 days ago · 4 km deep · 9 km away
  2. 2.480 km ENE of Chignik, Alaska · 1861 days ago · 9 km deep · 14 km away
  3. 1.8118 km ENE of Chignik, Alaska · 1861 days ago · 79 km deep · 59 km away
  4. 1.772 km ENE of Chignik, Alaska · 1861 days ago · 1 km deep · 10 km away
  5. 2.273 km ENE of Chignik, Alaska · 1861 days ago · 8 km deep · 6 km away
  6. 2.882 km ENE of Chignik, Alaska · 1861 days ago · 6 km deep · 17 km away
  7. 2.779 km ENE of Chignik, Alaska · 1861 days ago · 2 km deep · 14 km away
  8. 4.081 km ENE of Chignik, Alaska · 1861 days ago · 11 km deep · 16 km away
  9. 2.563 km NE of Chignik, Alaska · 1861 days ago · 75 km deep · 7 km away
  10. 2.3117 km E of Chignik, Alaska · 1862 days ago · 57 km deep · 84 km away
  11. 2.231 km N of Chignik, Alaska · 1863 days ago · 93 km deep · 53 km away
  12. 3.291 km ENE of Chignik, Alaska · 1863 days ago · 56 km deep · 27 km away
  13. 1.9107 km E of Chignik, Alaska · 1864 days ago · 3 km deep · 52 km away
  14. 1.947 km SSE of Chignik, Alaska · 1864 days ago · 48 km deep · 90 km away
  15. 1.763 km ESE of Ugashik, Alaska · 1864 days ago · 1 km deep · 85 km away
  16. 2.653 km ESE of Chignik, Alaska · 1867 days ago · 46 km deep · 56 km away
  17. 1.550 km E of Port Heiden, Alaska · 1869 days ago · 12 km deep · 44 km away
  18. 1.7100 km SE of Ugashik, Alaska · 1869 days ago · 12 km deep · 89 km away
  19. 1.8102 km SE of Ugashik, Alaska · 1869 days ago · 9 km deep · 89 km away
  20. 1.660 km SE of Ugashik, Alaska · 1870 days ago · 5 km deep · 79 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021am8mt5n. Read Tue, Sep 22, 2026, 8:40 PM UTC.