Alaska earthquakes

M3.1 earthquake 125 km WSW of Nikolski, Alaska

A magnitude 3.1 earthquake struck 125 km WSW of Nikolski, Alaska on Wed, Jan 16, 2019, 11:47 PM HAST (09:47 UTC), 52 km (32 mi) below the surface.

A larger quake followed: M4.4 180 km E 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
3.1 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-01-17 09:47:32 UTC
Depth
51.7 km (32.1 mi), shallow
Epicenter
52.511° N, 170.573° 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
3.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.181 · 6 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, 13.3 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
197°, poorly surrounded by stations
Stations used
16

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.875 km SW of Nikolski, Alaska · 2815 days ago · 74 km deep · 54 km away
  2. 2.453 km WSW of Nikolski, Alaska · 2814 days ago · 5 km deep · 71 km away
  3. 3.3172 km W of Nikolski, Alaska · 2808 days ago · 93 km deep · 58 km away
  4. 3.6180 km W of Nikolski, Alaska · 2808 days ago · 75 km deep · 85 km away
  5. 3.986 km SSW of Nikolski, Alaska · 2803 days ago · 35 km deep · 84 km away
  6. 2.637 km WSW of Nikolski, Alaska · 2798 days ago · 87 km deep · 87 km away
  7. 4.4180 km E of Atka, Alaska · 2796 days ago · 53 km deep · 84 km away
  8. 3.7180 km E of Atka, Alaska · 2796 days ago · 58 km deep · 81 km away
  9. 3.779 km SW of Nikolski, Alaska · 2794 days ago · 10 km deep · 56 km away
  10. 3.5122 km SW of Nikolski, Alaska · 2794 days ago · 10 km deep · 49 km away
  11. 3.0Fox Islands, Aleutian Islands, Alaska · 2790 days ago · 35 km deep · 53 km away
  12. 3.459 km WSW of Nikolski, Alaska · 2787 days ago · 31 km deep · 66 km away
  13. 3.9193 km E of Atka, Alaska · 2779 days ago · 36 km deep · 88 km away
  14. 4.1190 km WSW of Nikolski, Alaska · 2772 days ago · 35 km deep · 69 km away
  15. 3.8146 km SW of Nikolski, Alaska · 2770 days ago · 18 km deep · 58 km away
  16. 2.792 km SSW of Nikolski, Alaska · 2766 days ago · 10 km deep · 99 km away
  17. 2.349 km WSW of Nikolski, Alaska · 2760 days ago · 71 km deep · 76 km away
  18. 3.0139 km SW of Nikolski, Alaska · 2760 days ago · 35 km deep · 40 km away

Before

  1. 2.8161 km SW of Nikolski, Alaska · 2817 days ago · 35 km deep · 54 km away
  2. 4.596 km WSW of Nikolski, Alaska · 2819 days ago · 46 km deep · 31 km away
  3. 2.252 km SW of Nikolski, Alaska · 2821 days ago · -1 km deep · 79 km away
  4. 2.451 km SW of Nikolski, Alaska · 2823 days ago · -1 km deep · 79 km away
  5. 2.751 km SW of Nikolski, Alaska · 2823 days ago · -1 km deep · 79 km away
  6. 4.082 km SW of Nikolski, Alaska · 2832 days ago · 35 km deep · 56 km away
  7. 3.3181 km WSW of Nikolski, Alaska · 2833 days ago · 35 km deep · 62 km away
  8. 2.6112 km SW of Nikolski, Alaska · 2838 days ago · 24 km deep · 65 km away
  9. 3.0103 km SW of Nikolski, Alaska · 2838 days ago · 39 km deep · 58 km away
  10. 2.9187 km E of Atka, Alaska · 2839 days ago · 123 km deep · 65 km away
  11. 2.5116 km SW of Nikolski, Alaska · 2842 days ago · 29 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000j8jk (also filed as ak019s9rxuu). Read Sat, Oct 3, 2026, 6:04 PM UTC.