Alaska earthquakes

M1.9 earthquake 144 km ESE of Chignik, Alaska

A magnitude 1.9 earthquake struck 144 km ESE of Chignik, Alaska on Thu, Aug 26, 2021, 6:51 PM AKDT (02:51 UTC), 50 km (31 mi) below the surface.

A larger quake followed: M2.5 136 km SE 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
2021-08-27 02:51:25 UTC
Depth
49.5 km (30.8 mi), shallow
Epicenter
55.734° N, 156.310° 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
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 181 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.5136 km SE of Chignik, Alaska · 1853 days ago · 15 km deep · 62 km away
  2. 3.377 km ESE of Chignik, Alaska · 1853 days ago · 10 km deep · 68 km away
  3. 2.387 km SSE of Chignik, Alaska · 1852 days ago · 8 km deep · 86 km away
  4. 3.0158 km SE of Chignik, Alaska · 1852 days ago · 40 km deep · 31 km away
  5. 2.7144 km SE of Perryville, Alaska · 1852 days ago · 34 km deep · 89 km away
  6. 2.8190 km SSW of Akhiok, Alaska · 1852 days ago · 17 km deep · 55 km away
  7. 2.1144 km SE of Chignik, Alaska · 1851 days ago · 47 km deep · 60 km away
  8. 1.892 km E of Chignik, Alaska · 1851 days ago · 31 km deep · 75 km away
  9. 1.675 km ESE of Chignik, Alaska · 1851 days ago · 12 km deep · 70 km away
  10. 1.6south of Alaska · 1851 days ago · 2 km deep · 44 km away
  11. 3.0169 km ESE of Chignik, Alaska · 1849 days ago · 18 km deep · 25 km away
  12. 2.7146 km SE of Chignik, Alaska · 1849 days ago · 10 km deep · 44 km away
  13. 2.8137 km SSE of Chignik, Alaska · 1849 days ago · 33 km deep · 87 km away
  14. 2.6136 km SE of Chignik, Alaska · 1848 days ago · 16 km deep · 39 km away
  15. 2.0122 km SE of Chignik, Alaska · 1847 days ago · 27 km deep · 41 km away
  16. 1.990 km ENE of Chignik, Alaska · 1847 days ago · 43 km deep · 98 km away
  17. 1.8124 km SE of Ugashik, Alaska · 1847 days ago · 68 km deep · 97 km away
  18. 2.5161 km SE of Chignik, Alaska · 1847 days ago · 18 km deep · 68 km away
  19. 3.3158 km SE of Chignik, Alaska · 1846 days ago · 39 km deep · 39 km away
  20. 1.8157 km SSW of Akhiok, Alaska · 1846 days ago · 10 km deep · 47 km away
  21. 2.2119 km ESE of Chignik, Alaska · 1846 days ago · 20 km deep · 36 km away
  22. 2.6153 km SSE of Chignik, Alaska · 1846 days ago · 22 km deep · 84 km away
  23. 3.3164 km SE of Chignik, Alaska · 1845 days ago · 6 km deep · 68 km away
  24. 2.9118 km SSE of Chignik, Alaska · 1845 days ago · 11 km deep · 81 km away
  25. 2.9185 km SSW of Akhiok, Alaska · 1845 days ago · 11 km deep · 70 km away
  26. 3.5105 km WSW of Akhiok, Alaska · 1845 days ago · 70 km deep · 92 km away
  27. 2.2118 km ESE of Chignik, Alaska · 1844 days ago · 8 km deep · 42 km away
  28. 2.8199 km SE of Chignik, Alaska · 1844 days ago · 12 km deep · 75 km away
  29. 2.5115 km SSE of Chignik, Alaska · 1843 days ago · 10 km deep · 77 km away
  30. 3.1139 km SE of Chignik, Alaska · 1842 days ago · 19 km deep · 73 km away · felt by 1
  31. 2.6177 km SSW of Akhiok, Alaska · 1842 days ago · 10 km deep · 40 km away
  32. 2.4205 km SE of Chignik, Alaska · 1842 days ago · 9 km deep · 100 km away
  33. 1.9165 km SE of Chignik, Alaska · 1841 days ago · 15 km deep · 33 km away
  34. 2.8110 km SE of Chignik, Alaska · 1841 days ago · 13 km deep · 71 km away
  35. 3.0190 km SE of Chignik, Alaska · 1841 days ago · 32 km deep · 53 km away
  36. 2.2161 km SW of Akhiok, Alaska · 1841 days ago · 1 km deep · 34 km away
  37. 2.9167 km SW of Akhiok, Alaska · 1840 days ago · 5 km deep · 37 km away
  38. 2.371 km SE of Chignik, Alaska · 1840 days ago · 47 km deep · 91 km away
  39. 2.6137 km SE of Chignik, Alaska · 1839 days ago · 21 km deep · 65 km away
  40. 2.275 km ESE of Chignik, Alaska · 1839 days ago · 19 km deep · 70 km away
  41. 2.3167 km SW of Akhiok, Alaska · 1838 days ago · 27 km deep · 36 km away
  42. 1.9128 km SSW of Akhiok, Alaska · 1838 days ago · 7 km deep · 69 km away
  43. 2.5147 km SW of Akhiok, Alaska · 1837 days ago · 2 km deep · 47 km away
  44. 2.8149 km SSE of Chignik, Alaska · 1835 days ago · 12 km deep · 79 km away
  45. 2.8148 km SSE of Chignik, Alaska · 1835 days ago · 26 km deep · 81 km away
  46. 3.9197 km SE of Chignik, Alaska · 1834 days ago · 33 km deep · 84 km away
  47. 5.6181 km SE of Chignik, Alaska · 1833 days ago · 37 km deep · 75 km away · felt by 2
  48. 3.2191 km SE of Chignik, Alaska · 1833 days ago · 34 km deep · 80 km away
  49. 5.1200 km SE of Chignik, Alaska · 1833 days ago · 33 km deep · 88 km away · felt by 1 · tsunami flag
  50. 2.7118 km WSW of Akhiok, Alaska · 1831 days ago · 8 km deep · 98 km away
  51. 2.3160 km SSW of Akhiok, Alaska · 1827 days ago · 8 km deep · 68 km away
  52. 1.8109 km SSE of Ugashik, Alaska · 1827 days ago · 59 km deep · 100 km away
  53. 2.0157 km SW of Akhiok, Alaska · 1827 days ago · 3 km deep · 37 km away
  54. 2.9144 km SE of Chignik, Alaska · 1827 days ago · 6 km deep · 70 km away
  55. 2.7168 km ESE of Chignik, Alaska · 1823 days ago · 12 km deep · 24 km away
  56. 3.1south of Alaska · 1820 days ago · 8 km deep · 45 km away
  57. 4.8137 km ESE of Chignik, Alaska · 1818 days ago · 45 km deep · 18 km away · felt by 1 · tsunami flag
  58. 2.4165 km SSW of Akhiok, Alaska · 1816 days ago · 3 km deep · 74 km away
  59. 2.8152 km SE of Chignik, Alaska · 1815 days ago · 60 km deep · 58 km away
  60. 1.9167 km SW of Akhiok, Alaska · 1815 days ago · 9 km deep · 37 km away

The first 60 of 181.

Before

  1. 2.4170 km SE of Chignik, Alaska · 1854 days ago · 36 km deep · 38 km away
  2. 2.6147 km SSE of Chignik, Alaska · 1854 days ago · 25 km deep · 77 km away
  3. 2.5155 km SE of Chignik, Alaska · 1855 days ago · 44 km deep · 41 km away
  4. 1.9103 km SSE of Chignik, Alaska · 1856 days ago · 48 km deep · 88 km away
  5. 2.8163 km SE of Chignik, Alaska · 1856 days ago · 33 km deep · 67 km away
  6. 2.1119 km SSE of Ugashik, Alaska · 1856 days ago · 73 km deep · 92 km away
  7. 2.4131 km SE of Chignik, Alaska · 1856 days ago · 34 km deep · 66 km away
  8. 2.4147 km SE of Chignik, Alaska · 1856 days ago · 36 km deep · 45 km away
  9. 2.6158 km SSW of Akhiok, Alaska · 1856 days ago · 41 km deep · 66 km away
  10. 2.6166 km ESE of Chignik, Alaska · 1857 days ago · 16 km deep · 22 km away
  11. 2.4156 km SSE of Chignik, Alaska · 1858 days ago · 30 km deep · 87 km away
  12. 2.4162 km SW of Akhiok, Alaska · 1858 days ago · 46 km deep · 35 km away
  13. 2.5152 km SW of Akhiok, Alaska · 1859 days ago · 25 km deep · 37 km away
  14. 3.3150 km ESE of Chignik, Alaska · 1860 days ago · 41 km deep · 9 km away
  15. 3.7150 km SSE of Chignik, Alaska · 1860 days ago · 7 km deep · 86 km away
  16. 3.4156 km SSE of Chignik, Alaska · 1860 days ago · 13 km deep · 86 km away
  17. 2.0132 km SE of Perryville, Alaska · 1860 days ago · 24 km deep · 97 km away
  18. 2.5138 km SE of Chignik, Alaska · 1860 days ago · 24 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021azaxsoy. Read Wed, Sep 23, 2026, 9:09 PM UTC.