Alaska earthquakes

M2.3 earthquake 40 km NE of Atka, Alaska

A magnitude 2.3 earthquake struck 40 km NE of Atka, Alaska on Fri, Aug 18, 2017, 6:39 AM HADT (15:39 UTC), 195 km (121 mi) below the surface.

A larger quake followed: M4.2 47 km NNW of Atka, Alaska. This one was a foreshock.

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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
2017-08-18 15:39:34 UTC
Depth
195.4 km (121.4 mi), intermediate-depth
Epicenter
52.494° N, 173.854° 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
11

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 31 in the 30 days before it.

After

  1. 3.317 km ESE of Atka, Alaska · 3330 days ago · 66 km deep · 42 km away
  2. 4.247 km NNW of Atka, Alaska · 3327 days ago · 174 km deep · 36 km away
  3. 2.064 km SSE of Atka, Alaska · 3324 days ago · 22 km deep · 89 km away
  4. 2.945 km E of Atka, Alaska · 3324 days ago · 174 km deep · 35 km away
  5. 2.045 km E of Atka, Alaska · 3322 days ago · 13 km deep · 43 km away
  6. 3.929 km ESE of Atka, Alaska · 3321 days ago · 71 km deep · 40 km away
  7. 1.746 km SSW of Atka, Alaska · 3321 days ago · 31 km deep · 87 km away
  8. 2.458 km SSE of Atka, Alaska · 3315 days ago · 7 km deep · 88 km away
  9. 2.840 km ESE of Atka, Alaska · 3315 days ago · 168 km deep · 46 km away
  10. 2.437 km W of Atka, Alaska · 3311 days ago · 13 km deep · 69 km away
  11. 1.945 km SE of Atka, Alaska · 3311 days ago · 12 km deep · 70 km away
  12. 2.077 km SE of Atka, Alaska · 3310 days ago · 13 km deep · 89 km away
  13. 4.032 km NNW of Atka, Alaska · 3309 days ago · 238 km deep · 34 km away
  14. 3.470 km ENE of Atka, Alaska · 3308 days ago · 96 km deep · 36 km away
  15. 4.150 km ENE of Atka, Alaska · 3307 days ago · 66 km deep · 34 km away
  16. 1.967 km SE of Atka, Alaska · 3307 days ago · 33 km deep · 79 km away
  17. 3.4100 km ENE of Atka, Alaska · 3307 days ago · 220 km deep · 64 km away
  18. 3.010 km SSW of Atka, Alaska · 3307 days ago · 229 km deep · 51 km away
  19. 1.851 km SSW of Atka, Alaska · 3305 days ago · 29 km deep · 91 km away
  20. 1.849 km WSW of Atka, Alaska · 3305 days ago · 7 km deep · 88 km away
  21. 2.811 km SSW of Atka, Alaska · 3305 days ago · 79 km deep · 52 km away
  22. 1.951 km WSW of Atka, Alaska · 3301 days ago · 111 km deep · 90 km away
  23. 1.855 km SW of Atka, Alaska · 3301 days ago · 86 km deep · 95 km away
  24. 3.6118 km NE of Atka, Alaska · 3298 days ago · 22 km deep · 81 km away
  25. 3.181 km ENE of Atka, Alaska · 3295 days ago · 183 km deep · 48 km away
  26. 1.545 km WSW of Atka, Alaska · 3293 days ago · 25 km deep · 84 km away
  27. 2.426 km WNW of Atka, Alaska · 3291 days ago · 175 km deep · 51 km away
  28. 2.359 km SSW of Atka, Alaska · 3289 days ago · 3 km deep · 99 km away
  29. 1.631 km S of Atka, Alaska · 3289 days ago · 68 km deep · 70 km away
  30. 1.637 km SE of Atka, Alaska · 3287 days ago · 28 km deep · 57 km away
  31. 1.644 km SSW of Atka, Alaska · 3287 days ago · 19 km deep · 85 km away
  32. 2.442 km S of Atka, Alaska · 3286 days ago · 90 km deep · 79 km away
  33. 2.018 km SW of Atka, Alaska · 3281 days ago · 5 km deep · 59 km away
  34. 2.762 km S of Atka, Alaska · 3278 days ago · 21 km deep · 97 km away
  35. 3.325 km N of Atka, Alaska · 3278 days ago · 155 km deep · 26 km away
  36. 1.949 km WSW of Atka, Alaska · 3277 days ago · 13 km deep · 86 km away
  37. 1.653 km S of Atka, Alaska · 3275 days ago · 21 km deep · 89 km away
  38. 2.161 km SSE of Atka, Alaska · 3273 days ago · 38 km deep · 88 km away

Before

  1. 1.872 km SE of Atka, Alaska · 3334 days ago · 16 km deep · 94 km away
  2. 2.417 km SE of Atka, Alaska · 3334 days ago · 154 km deep · 47 km away
  3. 2.133 km SE of Atka, Alaska · 3335 days ago · 2 km deep · 54 km away
  4. 2.128 km ESE of Atka, Alaska · 3335 days ago · 82 km deep · 41 km away
  5. 1.932 km SSW of Atka, Alaska · 3337 days ago · 71 km deep · 73 km away
  6. 1.669 km SSE of Atka, Alaska · 3337 days ago · 25 km deep · 98 km away
  7. 2.243 km SE of Atka, Alaska · 3337 days ago · 60 km deep · 67 km away
  8. 1.557 km SW of Atka, Alaska · 3340 days ago · 33 km deep · 98 km away
  9. 2.587 km N of Atka, Alaska · 3340 days ago · 174 km deep · 65 km away
  10. 1.738 km SSE of Atka, Alaska · 3341 days ago · 19 km deep · 72 km away
  11. 2.257 km ESE of Atka, Alaska · 3341 days ago · 56 km deep · 67 km away
  12. 2.48 km NW of Atka, Alaska · 3341 days ago · 187 km deep · 41 km away
  13. 2.246 km SSE of Atka, Alaska · 3343 days ago · 44 km deep · 74 km away
  14. 2.423 km WNW of Atka, Alaska · 3344 days ago · 172 km deep · 50 km away
  15. 2.068 km ESE of Atka, Alaska · 3347 days ago · 45 km deep · 77 km away
  16. 1.837 km ESE of Atka, Alaska · 3348 days ago · 10 km deep · 52 km away
  17. 2.727 km NW of Atka, Alaska · 3348 days ago · 153 km deep · 42 km away
  18. 3.571 km E of Atka, Alaska · 3350 days ago · 87 km deep · 50 km away
  19. 3.372 km ESE of Atka, Alaska · 3350 days ago · 58 km deep · 77 km away
  20. 3.720 km N of Atka, Alaska · 3352 days ago · 220 km deep · 24 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017akmrr88 (also filed as ak16749635). Read Fri, Oct 2, 2026, 1:56 AM UTC.