Alaska earthquakes

M2.5 earthquake 75 km SSE of Perryville, Alaska

A magnitude 2.5 earthquake struck 75 km SSE of Perryville, Alaska on Fri, Jul 16, 2021, 5:01 PM AKDT (01:01 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M8.2 2021 Chignik, Alaska Earthquake. 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
2.5 (ml), micro
Local time
UTC
2021-07-17 01:01:19 UTC
Depth
31.7 km (19.7 mi), shallow
Epicenter
55.337° N, 158.509° 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
41

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 18 in the 30 days before it.

After

  1. 2.693 km SE of Sand Point, Alaska · 1902 days ago · 10 km deep · 74 km away
  2. 2.1117 km SSE of Perryville, Alaska · 1902 days ago · 33 km deep · 46 km away
  3. 1.817 km WSW of Ivanof Bay, Alaska · 1900 days ago · 92 km deep · 95 km away
  4. 1.896 km SSE of Perryville, Alaska · 1900 days ago · 44 km deep · 21 km away
  5. 2.8139 km SSE of Perryville, Alaska · 1900 days ago · 7 km deep · 65 km away
  6. 2.242 km S of Ivanof Bay, Alaska · 1900 days ago · 55 km deep · 65 km away
  7. 1.986 km ESE of Sand Point, Alaska · 1900 days ago · 6 km deep · 66 km away
  8. 1.7south of Alaska · 1900 days ago · 13 km deep · 72 km away
  9. 2.1151 km SSE of Perryville, Alaska · 1899 days ago · 34 km deep · 78 km away
  10. 2.243 km S of Chignik, Alaska · 1898 days ago · 48 km deep · 65 km away
  11. 2.0100 km SE of Sand Point, Alaska · 1898 days ago · 42 km deep · 100 km away
  12. 1.974 km SE of Perryville, Alaska · 1897 days ago · 25 km deep · 7 km away
  13. 2.487 km SE of Perryville, Alaska · 1897 days ago · 15 km deep · 21 km away
  14. 2.371 km ESE of Sand Point, Alaska · 1894 days ago · 7 km deep · 72 km away
  15. 2.0south of Alaska · 1893 days ago · 27 km deep · 60 km away
  16. 1.876 km SSE of Perryville, Alaska · 1893 days ago · 25 km deep · 1 km away
  17. 8.22021 Chignik, Alaska Earthquake · 1890 days ago · 35 km deep · 39 km away · felt by 512 · PAGER yellow · tsunami flag
  18. 5.5106 km SSE of Perryville, Alaska · 1890 days ago · 18 km deep · 31 km away · felt by 3
  19. 5.1114 km SE of Perryville, Alaska · 1890 days ago · 35 km deep · 47 km away
  20. 5.9127 km SE of Chignik, Alaska · 1890 days ago · 1 km deep · 83 km away · felt by 14
  21. 4.5106 km SSE of Chignik, Alaska · 1890 days ago · 9 km deep · 59 km away
  22. 5.3128 km SE of Perryville, Alaska · 1890 days ago · 35 km deep · 61 km away
  23. 3.9118 km SE of Perryville, Alaska · 1890 days ago · 7 km deep · 56 km away
  24. 4.291 km SSE of Chignik, Alaska · 1890 days ago · 7 km deep · 47 km away
  25. 4.5136 km SE of Perryville, Alaska · 1890 days ago · 25 km deep · 74 km away
  26. 4.3147 km SE of Chignik, Alaska · 1890 days ago · 38 km deep · 100 km away
  27. 4.8158 km SE of Perryville, Alaska · 1890 days ago · 34 km deep · 92 km away
  28. 3.4131 km SE of Chignik, Alaska · 1890 days ago · 10 km deep · 92 km away
  29. 3.7126 km SE of Chignik, Alaska · 1890 days ago · 24 km deep · 95 km away
  30. 4.5142 km SE of Perryville, Alaska · 1890 days ago · 25 km deep · 71 km away
  31. 4.8135 km SE of Perryville, Alaska · 1890 days ago · 26 km deep · 64 km away · felt by 7
  32. 2.562 km SE of Perryville, Alaska · 1890 days ago · 11 km deep · 22 km away
  33. 3.7113 km SSE of Perryville, Alaska · 1890 days ago · 40 km deep · 39 km away
  34. 3.4126 km SE of Chignik, Alaska · 1890 days ago · 43 km deep · 79 km away
  35. 3.094 km SSE of Perryville, Alaska · 1890 days ago · 9 km deep · 20 km away
  36. 3.9105 km SSE of Perryville, Alaska · 1890 days ago · 19 km deep · 34 km away · felt by 1
  37. 3.294 km SSE of Perryville, Alaska · 1890 days ago · 7 km deep · 20 km away
  38. 3.4116 km SSE of Perryville, Alaska · 1890 days ago · 16 km deep · 41 km away
  39. 4.1131 km SE of Chignik, Alaska · 1890 days ago · 34 km deep · 97 km away · felt by 1
  40. 3.2106 km SSE of Perryville, Alaska · 1890 days ago · 8 km deep · 31 km away
  41. 4.5154 km SE of Perryville, Alaska · 1890 days ago · 12 km deep · 83 km away · felt by 1
  42. 2.668 km S of Ivanof Bay, Alaska · 1890 days ago · 35 km deep · 51 km away
  43. 3.0119 km SSE of Perryville, Alaska · 1890 days ago · 14 km deep · 45 km away
  44. 2.8157 km SE of Perryville, Alaska · 1890 days ago · 40 km deep · 83 km away
  45. 3.8122 km SSE of Perryville, Alaska · 1890 days ago · 10 km deep · 50 km away
  46. 3.2Alaska Peninsula · 1890 days ago · 5 km deep · 70 km away
  47. 4.4134 km SSE of Chignik, Alaska · 1890 days ago · 27 km deep · 74 km away
  48. 3.6131 km SE of Perryville, Alaska · 1890 days ago · 69 km deep · 64 km away
  49. 3.9135 km SE of Perryville, Alaska · 1890 days ago · 26 km deep · 66 km away
  50. 4.1107 km SE of Perryville, Alaska · 1890 days ago · 36 km deep · 43 km away
  51. 3.9142 km SE of Perryville, Alaska · 1890 days ago · 23 km deep · 74 km away
  52. 2.7104 km SSE of Perryville, Alaska · 1890 days ago · 10 km deep · 31 km away
  53. 4.1135 km SE of Chignik, Alaska · 1890 days ago · 27 km deep · 92 km away
  54. 4.6155 km SSE of Chignik, Alaska · 1890 days ago · 19 km deep · 97 km away
  55. 3.0106 km SE of Chignik, Alaska · 1890 days ago · 6 km deep · 93 km away
  56. 3.2100 km SE of Perryville, Alaska · 1890 days ago · 10 km deep · 38 km away
  57. 3.2Alaska Peninsula · 1890 days ago · 3 km deep · 24 km away
  58. 3.4147 km SE of Perryville, Alaska · 1890 days ago · 3 km deep · 72 km away
  59. 3.3122 km SE of Chignik, Alaska · 1890 days ago · 28 km deep · 79 km away
  60. 3.0117 km SSE of Perryville, Alaska · 1890 days ago · 24 km deep · 42 km away

The first 60 of at least 200.

Before

  1. 3.467 km SE of Perryville, Alaska · 1903 days ago · 5 km deep · 13 km away
  2. 3.088 km ESE of Sand Point, Alaska · 1903 days ago · 6 km deep · 71 km away
  3. 2.986 km SE of Sand Point, Alaska · 1903 days ago · 5 km deep · 73 km away
  4. 2.6119 km SSE of Perryville, Alaska · 1904 days ago · 21 km deep · 48 km away
  5. 2.8135 km SE of Chignik, Alaska · 1904 days ago · 28 km deep · 85 km away
  6. 2.59 km WNW of Ivanof Bay, Alaska · 1908 days ago · 115 km deep · 97 km away
  7. 2.4150 km SE of Perryville, Alaska · 1910 days ago · 20 km deep · 76 km away
  8. 1.978 km ESE of Sand Point, Alaska · 1910 days ago · 5 km deep · 69 km away
  9. 2.158 km E of Sand Point, Alaska · 1911 days ago · 48 km deep · 68 km away
  10. 2.8125 km SE of Perryville, Alaska · 1912 days ago · 35 km deep · 55 km away
  11. 3.3141 km SE of Perryville, Alaska · 1913 days ago · 1 km deep · 68 km away
  12. 2.272 km SE of Perryville, Alaska · 1913 days ago · 4 km deep · 16 km away
  13. 1.692 km SE of Sand Point, Alaska · 1920 days ago · 37 km deep · 97 km away
  14. 1.587 km SE of Sand Point, Alaska · 1921 days ago · 11 km deep · 72 km away
  15. 3.6124 km SE of Perryville, Alaska · 1922 days ago · 34 km deep · 53 km away
  16. 2.577 km SE of Chignik, Alaska · 1931 days ago · 20 km deep · 94 km away
  17. 3.072 km S of Perryville, Alaska · 1931 days ago · 34 km deep · 28 km away
  18. 3.253 km S of Ivanof Bay, Alaska · 1931 days ago · 35 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02193h0e17. Read Wed, Sep 30, 2026, 10:15 PM UTC.