Alaska earthquakes

M4.1 earthquake 174 km S of Adak, Alaska

A magnitude 4.1 earthquake struck 174 km S of Adak, Alaska on Tue, Mar 26, 2019, 1:08 PM HADT (22:08 UTC), 10 km (6 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
2019-03-26 22:08:23 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.321° N, 176.304° 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 · ±0.213 · 6 stations
3.5ML, 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 6.9 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.21
Depth from
Operator assigned
Station coverage gap
253°, poorly surrounded by stations
Stations used
35

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.8170 km S of Adak, Alaska · 2745 days ago · 10 km deep · 4 km away
  2. 3.3155 km SSW of Adak, Alaska · 2739 days ago · 10 km deep · 86 km away
  3. 2.793 km SSE of Adak, Alaska · 2735 days ago · 26 km deep · 82 km away
  4. 2.3Andreanof Islands, Aleutian Islands, Alaska · 2720 days ago · 23 km deep · 83 km away
  5. 2.8177 km SSE of Adak, Alaska · 2716 days ago · 10 km deep · 78 km away
  6. 1.679 km SSE of Adak, Alaska · 2699 days ago · 19 km deep · 95 km away
  7. 2.388 km SSE of Adak, Alaska · 2696 days ago · 14 km deep · 89 km away
  8. 2.5116 km SE of Adak, Alaska · 2694 days ago · 13 km deep · 92 km away
  9. 1.7110 km SSE of Adak, Alaska · 2694 days ago · 11 km deep · 86 km away
  10. 2.6168 km S of Adak, Alaska · 2694 days ago · 10 km deep · 28 km away
  11. 2.685 km S of Adak, Alaska · 2688 days ago · 24 km deep · 89 km away
  12. 3.994 km S of Adak, Alaska · 2688 days ago · 35 km deep · 80 km away
  13. 2.684 km S of Adak, Alaska · 2688 days ago · 20 km deep · 91 km away
  14. 2.189 km S of Adak, Alaska · 2688 days ago · 21 km deep · 85 km away
  15. 2.8110 km SSW of Adak, Alaska · 2686 days ago · 31 km deep · 89 km away

Before

  1. 3.8158 km S of Adak, Alaska · 2748 days ago · 10 km deep · 39 km away
  2. 2.1133 km SSE of Adak, Alaska · 2757 days ago · 16 km deep · 80 km away
  3. 2.183 km SSE of Adak, Alaska · 2768 days ago · 15 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70003a7r (also filed as ak0193wxtt5n). Read Thu, Oct 1, 2026, 8:22 PM UTC.