Alaska earthquakes

M3.5 earthquake 122 km SW of Nikolski, Alaska

A magnitude 3.5 earthquake struck 122 km SW of Nikolski, Alaska on Fri, Feb 8, 2019, 2:04 AM HAST (12:04 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.7 121 km SSW of Nikolski, 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
3.5 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-02-08 12:04:26 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.160° N, 170.142° 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
3.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
3.4ML, 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 4.7 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
206°, poorly surrounded by stations
Stations used
32

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 3.0Fox Islands, Aleutian Islands, Alaska · 2788 days ago · 35 km deep · 51 km away
  2. 3.459 km WSW of Nikolski, Alaska · 2784 days ago · 31 km deep · 74 km away
  3. 3.9193 km E of Atka, Alaska · 2776 days ago · 36 km deep · 92 km away
  4. 4.1190 km WSW of Nikolski, Alaska · 2769 days ago · 35 km deep · 76 km away
  5. 3.8146 km SW of Nikolski, Alaska · 2768 days ago · 18 km deep · 24 km away
  6. 3.9187 km SSW of Nikolski, Alaska · 2767 days ago · 10 km deep · 76 km away
  7. 3.6102 km SSW of Nikolski, Alaska · 2764 days ago · 10 km deep · 62 km away
  8. 2.792 km SSW of Nikolski, Alaska · 2764 days ago · 10 km deep · 61 km away
  9. 2.349 km WSW of Nikolski, Alaska · 2757 days ago · 71 km deep · 84 km away
  10. 3.0139 km SW of Nikolski, Alaska · 2757 days ago · 35 km deep · 23 km away
  11. 2.660 km WSW of Nikolski, Alaska · 2754 days ago · 106 km deep · 68 km away
  12. 2.141 km SW of Nikolski, Alaska · 2753 days ago · 15 km deep · 82 km away
  13. 2.350 km WSW of Nikolski, Alaska · 2753 days ago · 12 km deep · 76 km away
  14. 3.091 km SW of Nikolski, Alaska · 2751 days ago · 9 km deep · 34 km away
  15. 2.559 km SW of Nikolski, Alaska · 2747 days ago · 27 km deep · 63 km away
  16. 3.2192 km SW of Nikolski, Alaska · 2747 days ago · 36 km deep · 71 km away
  17. 4.0109 km SSW of Nikolski, Alaska · 2745 days ago · 35 km deep · 52 km away
  18. 4.1106 km SSW of Nikolski, Alaska · 2745 days ago · 35 km deep · 45 km away
  19. 2.256 km SW of Nikolski, Alaska · 2743 days ago · 14 km deep · 66 km away
  20. 2.445 km SW of Nikolski, Alaska · 2740 days ago · 13 km deep · 78 km away
  21. 3.0167 km WSW of Nikolski, Alaska · 2738 days ago · 43 km deep · 61 km away
  22. 2.594 km SW of Nikolski, Alaska · 2735 days ago · 5 km deep · 29 km away
  23. 4.7121 km SSW of Nikolski, Alaska · 2733 days ago · 23 km deep · 39 km away
  24. 2.7128 km SSW of Nikolski, Alaska · 2733 days ago · 32 km deep · 43 km away
  25. 2.245 km SW of Nikolski, Alaska · 2732 days ago · 10 km deep · 78 km away
  26. 3.083 km SW of Nikolski, Alaska · 2732 days ago · 13 km deep · 43 km away

Before

  1. 3.779 km SW of Nikolski, Alaska · 2792 days ago · 10 km deep · 44 km away
  2. 3.8117 km SSW of Nikolski, Alaska · 2793 days ago · 10 km deep · 61 km away
  3. 3.7180 km E of Atka, Alaska · 2793 days ago · 58 km deep · 97 km away
  4. 4.4180 km E of Atka, Alaska · 2793 days ago · 53 km deep · 99 km away
  5. 2.637 km WSW of Nikolski, Alaska · 2795 days ago · 87 km deep · 89 km away
  6. 2.388 km SSW of Nikolski, Alaska · 2800 days ago · 20 km deep · 65 km away
  7. 3.986 km SSW of Nikolski, Alaska · 2800 days ago · 35 km deep · 50 km away
  8. 2.453 km WSW of Nikolski, Alaska · 2812 days ago · 5 km deep · 75 km away
  9. 2.875 km SW of Nikolski, Alaska · 2813 days ago · 74 km deep · 51 km away
  10. 3.1125 km WSW of Nikolski, Alaska · 2814 days ago · 52 km deep · 49 km away
  11. 2.8161 km SW of Nikolski, Alaska · 2815 days ago · 35 km deep · 41 km away
  12. 4.596 km WSW of Nikolski, Alaska · 2817 days ago · 46 km deep · 39 km away
  13. 2.252 km SW of Nikolski, Alaska · 2818 days ago · -1 km deep · 70 km away
  14. 2.451 km SW of Nikolski, Alaska · 2820 days ago · -1 km deep · 71 km away
  15. 2.751 km SW of Nikolski, Alaska · 2820 days ago · -1 km deep · 71 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000jfe9 (also filed as ak0191sp4p62). Read Thu, Oct 1, 2026, 2:38 AM UTC.