Alaska earthquakes

M2.3 earthquake 37 km SE of Chignik, Alaska

A magnitude 2.3 earthquake struck 37 km SE of Chignik, Alaska on Sun, Aug 6, 2017, 8:33 AM AKDT (16:33 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.4 95 km ESE 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-08-06 16:33:58 UTC
Depth
8.1 km (5.0 mi), shallow
Epicenter
56.085° N, 157.929° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.3ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.3ML, local (Richter)USGS National Earthquake Information CenterReviewed

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
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.311 km WNW of Chignik Lake, Alaska · 3339 days ago · 5 km deep · 66 km away
  2. 2.352 km E of Port Heiden, Alaska · 3335 days ago · 9 km deep · 99 km away · felt by 1
  3. 2.199 km SSE of Ugashik, Alaska · 3334 days ago · 47 km deep · 97 km away
  4. 2.070 km E of Chignik, Alaska · 3331 days ago · 44 km deep · 45 km away
  5. 1.854 km E of Port Heiden, Alaska · 3330 days ago · 2 km deep · 98 km away
  6. 1.728 km SE of Chignik, Alaska · 3330 days ago · 6 km deep · 9 km away
  7. 1.948 km ESE of Perryville, Alaska · 3328 days ago · 20 km deep · 49 km away
  8. 2.4Alaska Peninsula · 3326 days ago · 41 km deep · 71 km away
  9. 2.254 km SSE of Perryville, Alaska · 3323 days ago · 19 km deep · 81 km away
  10. 2.521 km NW of Chignik Lake, Alaska · 3320 days ago · 11 km deep · 74 km away
  11. 2.618 km WSW of Chignik Lake, Alaska · 3319 days ago · 11 km deep · 70 km away
  12. 2.221 km NW of Chignik Lake, Alaska · 3319 days ago · 12 km deep · 75 km away
  13. 2.522 km NW of Chignik Lake, Alaska · 3319 days ago · 11 km deep · 75 km away
  14. 2.530 km ENE of Chignik, Alaska · 3319 days ago · 84 km deep · 32 km away
  15. 2.123 km NNE of Ivanof Bay, Alaska · 3317 days ago · 108 km deep · 92 km away
  16. 1.717 km NW of Chignik Lake, Alaska · 3317 days ago · 24 km deep · 71 km away
  17. 1.811 km NNE of Ivanof Bay, Alaska · 3313 days ago · 101 km deep · 94 km away
  18. 2.365 km ENE of Chignik, Alaska · 3311 days ago · 93 km deep · 62 km away
  19. 2.052 km E of Port Heiden, Alaska · 3311 days ago · 13 km deep · 100 km away
  20. 2.293 km SE of Chignik, Alaska · 3310 days ago · 22 km deep · 56 km away
  21. 2.375 km SE of Perryville, Alaska · 3310 days ago · 19 km deep · 71 km away
  22. 2.357 km SE of Perryville, Alaska · 3310 days ago · 31 km deep · 61 km away
  23. 3.067 km SE of Perryville, Alaska · 3309 days ago · 25 km deep · 80 km away
  24. 2.335 km SE of Chignik, Alaska · 3308 days ago · 5 km deep · 3 km away
  25. 1.834 km SE of Chignik, Alaska · 3307 days ago · 8 km deep · 7 km away
  26. 2.818 km SE of Perryville, Alaska · 3307 days ago · 56 km deep · 74 km away
  27. 2.615 km E of Chignik, Alaska · 3305 days ago · 14 km deep · 26 km away
  28. 1.925 km SE of Chignik, Alaska · 3305 days ago · 10 km deep · 12 km away
  29. 3.495 km ESE of Chignik, Alaska · 3303 days ago · 45 km deep · 61 km away
  30. 2.151 km E of Port Heiden, Alaska · 3303 days ago · 2 km deep · 95 km away
  31. 3.034 km SSE of Perryville, Alaska · 3300 days ago · 46 km deep · 75 km away
  32. 2.154 km E of Chignik, Alaska · 3299 days ago · 52 km deep · 37 km away
  33. 2.656 km ESE of Port Heiden, Alaska · 3298 days ago · 86 km deep · 78 km away
  34. 2.9Alaska Peninsula · 3297 days ago · 8 km deep · 81 km away
  35. 2.2116 km E of Chignik, Alaska · 3297 days ago · 50 km deep · 91 km away
  36. 2.536 km SE of Port Heiden, Alaska · 3297 days ago · 113 km deep · 75 km away

Before

  1. 2.356 km NE of Chignik, Alaska · 3348 days ago · 112 km deep · 67 km away
  2. 2.067 km ENE of Chignik, Alaska · 3349 days ago · 71 km deep · 66 km away
  3. 2.359 km ESE of Chignik, Alaska · 3349 days ago · 48 km deep · 30 km away
  4. 1.572 km E of Port Heiden, Alaska · 3351 days ago · 3 km deep · 91 km away
  5. 3.247 km SE of Chignik, Alaska · 3353 days ago · 44 km deep · 11 km away
  6. 2.583 km E of Chignik, Alaska · 3354 days ago · 46 km deep · 59 km away
  7. 2.058 km E of Chignik, Alaska · 3357 days ago · 46 km deep · 34 km away
  8. 1.978 km E of Chignik, Alaska · 3357 days ago · 14 km deep · 50 km away
  9. 2.084 km S of Ugashik, Alaska · 3358 days ago · 80 km deep · 87 km away
  10. 2.2Alaska Peninsula · 3363 days ago · 52 km deep · 71 km away
  11. 2.453 km S of Chignik, Alaska · 3365 days ago · 42 km deep · 35 km away
  12. 1.8119 km E of Chignik, Alaska · 3365 days ago · 6 km deep · 90 km away
  13. 2.6121 km E of Chignik, Alaska · 3370 days ago · 38 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017a0svsfz (also filed as ak16459901, us2000ab68). Read Fri, Oct 2, 2026, 10:09 AM UTC.