Alaska earthquakes

M3.8 earthquake 158 km S of Adak, Alaska

A magnitude 3.8 earthquake struck 158 km S of Adak, Alaska on Sun, Mar 24, 2019, 9:35 PM HADT (06:35 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.1 174 km S of Adak, 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
3.8 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-03-25 06:35:32 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.455° N, 176.817° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

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 5.6 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
235°, poorly surrounded by stations
Stations used
65

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. 4.1174 km S of Adak, Alaska · 2746 days ago · 10 km deep · 39 km away
  2. 2.8170 km S of Adak, Alaska · 2745 days ago · 10 km deep · 36 km away
  3. 3.3155 km SSW of Adak, Alaska · 2739 days ago · 10 km deep · 47 km away
  4. 2.370 km SSE of Adak, Alaska · 2738 days ago · 19 km deep · 95 km away
  5. 2.793 km SSE of Adak, Alaska · 2735 days ago · 26 km deep · 76 km away
  6. 2.3Andreanof Islands, Aleutian Islands, Alaska · 2720 days ago · 23 km deep · 66 km away
  7. 1.969 km SSW of Adak, Alaska · 2710 days ago · 27 km deep · 91 km away
  8. 1.679 km SSE of Adak, Alaska · 2699 days ago · 19 km deep · 87 km away
  9. 2.388 km SSE of Adak, Alaska · 2696 days ago · 14 km deep · 85 km away
  10. 1.7110 km SSE of Adak, Alaska · 2694 days ago · 11 km deep · 95 km away
  11. 2.6168 km S of Adak, Alaska · 2694 days ago · 10 km deep · 13 km away
  12. 2.685 km S of Adak, Alaska · 2688 days ago · 24 km deep · 75 km away
  13. 3.994 km S of Adak, Alaska · 2688 days ago · 35 km deep · 68 km away
  14. 2.684 km S of Adak, Alaska · 2688 days ago · 20 km deep · 75 km away
  15. 2.189 km S of Adak, Alaska · 2688 days ago · 21 km deep · 73 km away

Before

  1. 1.967 km S of Adak, Alaska · 2751 days ago · 21 km deep · 92 km away
  2. 2.1133 km SSE of Adak, Alaska · 2757 days ago · 16 km deep · 99 km away
  3. 2.183 km SSE of Adak, Alaska · 2768 days ago · 15 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000k968. Read Thu, Oct 1, 2026, 8:22 PM UTC.