Alaska earthquakes

M3.0 earthquake 114 km WSW of Nikolski, Alaska

A magnitude 3.0 earthquake struck 114 km WSW of Nikolski, Alaska on Thu, Aug 18, 2016, 12:58 AM HADT (09:58 UTC), 91 km (57 mi) below the surface.

A larger quake followed: M4.0 177 km SW of Nikolski, 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-08-18 09:58:27 UTC
Depth
91.4 km (56.8 mi), intermediate-depth
Epicenter
52.747° N, 170.527° 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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · 8 stations
2.9ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 15.9 km horizontally, 6.6 km in depth
Stations used
8

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 17 in the 30 days before it.

After

  1. 2.049 km WSW of Nikolski, Alaska · 3700 days ago · 19 km deep · 70 km away
  2. 2.053 km SW of Nikolski, Alaska · 3699 days ago · 18 km deep · 79 km away
  3. 1.752 km WSW of Nikolski, Alaska · 3699 days ago · 18 km deep · 63 km away
  4. 2.154 km NW of Nikolski, Alaska · 3697 days ago · 23 km deep · 92 km away
  5. 2.5153 km SW of Nikolski, Alaska · 3695 days ago · 37 km deep · 91 km away
  6. 2.2120 km SW of Nikolski, Alaska · 3695 days ago · 21 km deep · 66 km away
  7. 1.928 km WSW of Nikolski, Alaska · 3693 days ago · 91 km deep · 86 km away
  8. 2.250 km SW of Nikolski, Alaska · 3693 days ago · 16 km deep · 71 km away
  9. 2.069 km SW of Nikolski, Alaska · 3691 days ago · 13 km deep · 61 km away
  10. 2.258 km WNW of Nikolski, Alaska · 3690 days ago · 5 km deep · 73 km away
  11. 2.7114 km SSW of Nikolski, Alaska · 3680 days ago · 10 km deep · 97 km away
  12. 1.847 km WSW of Nikolski, Alaska · 3680 days ago · 28 km deep · 68 km away
  13. 2.4158 km WSW of Nikolski, Alaska · 3679 days ago · 69 km deep · 61 km away
  14. 1.644 km WSW of Nikolski, Alaska · 3678 days ago · 4 km deep · 72 km away
  15. 2.380 km SSW of Nikolski, Alaska · 3675 days ago · 31 km deep · 84 km away
  16. 2.890 km SW of Nikolski, Alaska · 3673 days ago · 47 km deep · 55 km away
  17. 4.0177 km SW of Nikolski, Alaska · 3672 days ago · 38 km deep · 83 km away
  18. 3.269 km SW of Nikolski, Alaska · 3671 days ago · 36 km deep · 68 km away
  19. 3.882 km WNW of Nikolski, Alaska · 3670 days ago · 10 km deep · 77 km away
  20. 3.666 km SSW of Nikolski, Alaska · 3670 days ago · 6 km deep · 87 km away
  21. 3.9Fox Islands, Aleutian Islands, Alaska · 3669 days ago · 33 km deep · 85 km away
  22. 2.678 km WSW of Nikolski, Alaska · 3669 days ago · 78 km deep · 37 km away
  23. 2.481 km SW of Nikolski, Alaska · 3664 days ago · 20 km deep · 70 km away
  24. 3.054 km WSW of Nikolski, Alaska · 3662 days ago · 8 km deep · 60 km away
  25. 2.697 km SW of Nikolski, Alaska · 3661 days ago · 37 km deep · 57 km away
  26. 2.292 km WSW of Nikolski, Alaska · 3659 days ago · 64 km deep · 41 km away
  27. 2.0118 km WSW of Nikolski, Alaska · 3659 days ago · 69 km deep · 38 km away
  28. 3.031 km WSW of Nikolski, Alaska · 3656 days ago · 22 km deep · 82 km away
  29. 3.7143 km SW of Nikolski, Alaska · 3656 days ago · 30 km deep · 77 km away
  30. 2.485 km SW of Nikolski, Alaska · 3655 days ago · 64 km deep · 53 km away
  31. 3.680 km SSW of Nikolski, Alaska · 3650 days ago · 42 km deep · 85 km away
  32. 2.286 km SSW of Nikolski, Alaska · 3648 days ago · 24 km deep · 86 km away
  33. 3.685 km SW of Nikolski, Alaska · 3648 days ago · 46 km deep · 77 km away
  34. 2.291 km SW of Nikolski, Alaska · 3648 days ago · 46 km deep · 80 km away
  35. 2.4103 km SW of Nikolski, Alaska · 3646 days ago · 11 km deep · 75 km away
  36. 2.445 km WSW of Nikolski, Alaska · 3642 days ago · 14 km deep · 70 km away

Before

  1. 2.329 km WSW of Nikolski, Alaska · 3701 days ago · 61 km deep · 85 km away
  2. 2.459 km WSW of Nikolski, Alaska · 3709 days ago · 10 km deep · 57 km away
  3. 1.927 km W of Nikolski, Alaska · 3711 days ago · 30 km deep · 88 km away
  4. 2.035 km SSW of Nikolski, Alaska · 3711 days ago · 55 km deep · 93 km away
  5. 2.5162 km SW of Nikolski, Alaska · 3713 days ago · 41 km deep · 81 km away
  6. 3.3169 km SW of Nikolski, Alaska · 3714 days ago · 58 km deep · 89 km away
  7. 2.041 km SW of Nikolski, Alaska · 3716 days ago · 24 km deep · 80 km away
  8. 1.544 km WSW of Nikolski, Alaska · 3717 days ago · 22 km deep · 75 km away
  9. 2.9122 km WSW of Nikolski, Alaska · 3718 days ago · 63 km deep · 37 km away
  10. 3.1184 km SW of Nikolski, Alaska · 3720 days ago · 10 km deep · 92 km away
  11. 2.646 km W of Nikolski, Alaska · 3720 days ago · 85 km deep · 72 km away
  12. 2.6152 km SW of Nikolski, Alaska · 3721 days ago · 35 km deep · 73 km away
  13. 1.735 km SW of Nikolski, Alaska · 3721 days ago · 63 km deep · 91 km away
  14. 3.8151 km WSW of Nikolski, Alaska · 3723 days ago · 125 km deep · 44 km away
  15. 1.941 km WSW of Nikolski, Alaska · 3726 days ago · 21 km deep · 74 km away
  16. 3.389 km WNW of Nikolski, Alaska · 3728 days ago · 210 km deep · 55 km away
  17. 1.950 km WSW of Nikolski, Alaska · 3728 days ago · 12 km deep · 66 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10006jts (also filed as ak016am6uk7a). Read Mon, Oct 5, 2026, 1:45 PM UTC.