Alaska earthquakes

M4.1 earthquake 105 km NE of Adak, Alaska

A magnitude 4.1 earthquake struck 105 km NE of Adak, Alaska on Fri, Mar 8, 2019, 3:16 PM HAST (01:16 UTC), 222 km (138 mi) below the surface.

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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
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-03-09 01:16:03 UTC
Depth
221.7 km (137.8 mi), intermediate-depth
Epicenter
52.617° N, 175.677° 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
4.1mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.075 · 49 stations
3.3ML, 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 14.7 km horizontally, 8.6 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
130°
Stations used
46

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 2.249 km E of Adak, Alaska · 2759 days ago · 65 km deep · 83 km away
  2. 4.073 km NNW of Atka, Alaska · 2757 days ago · 223 km deep · 69 km away
  3. 2.847 km WSW of Atka, Alaska · 2755 days ago · 73 km deep · 80 km away
  4. 2.854 km NE of Adak, Alaska · 2749 days ago · 178 km deep · 52 km away
  5. 2.845 km ENE of Adak, Alaska · 2748 days ago · 138 km deep · 65 km away
  6. 2.730 km W of Atka, Alaska · 2747 days ago · 35 km deep · 84 km away
  7. 2.776 km W of Atka, Alaska · 2745 days ago · 144 km deep · 52 km away
  8. 2.8101 km NW of Atka, Alaska · 2741 days ago · 210 km deep · 25 km away
  9. 2.788 km NNE of Adak, Alaska · 2739 days ago · 133 km deep · 27 km away
  10. 2.444 km E of Adak, Alaska · 2739 days ago · 72 km deep · 87 km away
  11. 2.975 km E of Adak, Alaska · 2738 days ago · 71 km deep · 80 km away
  12. 1.725 km ESE of Adak, Alaska · 2734 days ago · 70 km deep · 98 km away
  13. 1.961 km E of Adak, Alaska · 2724 days ago · 62 km deep · 93 km away
  14. 2.27 km N of Adak, Alaska · 2722 days ago · 144 km deep · 99 km away
  15. 2.980 km ENE of Adak, Alaska · 2716 days ago · 168 km deep · 38 km away
  16. 2.369 km ESE of Adak, Alaska · 2712 days ago · 51 km deep · 99 km away
  17. 1.545 km ENE of Adak, Alaska · 2710 days ago · 11 km deep · 66 km away
  18. 2.075 km ENE of Adak, Alaska · 2710 days ago · 104 km deep · 43 km away
  19. 1.879 km WSW of Atka, Alaska · 2710 days ago · 114 km deep · 69 km away
  20. 2.440 km W of Atka, Alaska · 2708 days ago · 131 km deep · 77 km away
  21. 2.375 km ESE of Adak, Alaska · 2707 days ago · 53 km deep · 100 km away
  22. 2.277 km E of Adak, Alaska · 2707 days ago · 68 km deep · 88 km away

Before

  1. 2.355 km E of Adak, Alaska · 2765 days ago · 61 km deep · 74 km away
  2. 2.783 km SW of Atka, Alaska · 2766 days ago · 35 km deep · 99 km away
  3. 5.190 km E of Adak, Alaska · 2766 days ago · 46 km deep · 99 km away
  4. 1.659 km ENE of Adak, Alaska · 2768 days ago · -2 km deep · 61 km away
  5. 1.541 km ENE of Adak, Alaska · 2770 days ago · 3 km deep · 68 km away
  6. 1.641 km ENE of Adak, Alaska · 2770 days ago · 4 km deep · 68 km away
  7. 2.568 km E of Adak, Alaska · 2770 days ago · 175 km deep · 76 km away
  8. 4.151 km N of Atka, Alaska · 2770 days ago · 201 km deep · 95 km away
  9. 2.768 km SW of Atka, Alaska · 2771 days ago · 90 km deep · 95 km away
  10. 1.88 km NNE of Adak, Alaska · 2781 days ago · 5 km deep · 97 km away
  11. 2.845 km NNW of Atka, Alaska · 2787 days ago · 161 km deep · 84 km away
  12. 2.6Andreanof Islands, Aleutian Islands, Alaska · 2788 days ago · 7 km deep · 96 km away
  13. 4.453 km ENE of Adak, Alaska · 2790 days ago · 157 km deep · 58 km away
  14. 2.485 km W of Atka, Alaska · 2794 days ago · 108 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000jcrc (also filed as ak01934h8dfy). Read Fri, Oct 2, 2026, 1:11 AM UTC.