Alaska earthquakes

M3.1 earthquake 74 km ESE of Atka, Alaska

A magnitude 3.1 earthquake struck 74 km ESE of Atka, Alaska on Sun, Apr 21, 2019, 4:36 PM HADT (01:36 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M4.4 100 km SSE 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
Alaska Earthquake Center
Local time
UTC
2019-04-22 01:36:52 UTC
Depth
26.7 km (16.6 mi), shallow
Epicenter
51.891° N, 173.235° 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.

Stations used
13

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.980 km ENE of Atka, Alaska · 2715 days ago · 169 km deep · 71 km away
  2. 1.846 km E of Atka, Alaska · 2709 days ago · 59 km deep · 39 km away
  3. 3.529 km SW of Atka, Alaska · 2708 days ago · 73 km deep · 85 km away
  4. 3.413 km NW of Atka, Alaska · 2704 days ago · 196 km deep · 86 km away
  5. 2.811 km NNE of Atka, Alaska · 2697 days ago · 10 km deep · 75 km away
  6. 3.382 km SE of Atka, Alaska · 2685 days ago · 35 km deep · 13 km away
  7. 3.710 km WSW of Atka, Alaska · 2682 days ago · 71 km deep · 82 km away
  8. 4.160 km E of Atka, Alaska · 2679 days ago · 184 km deep · 46 km away
  9. 3.280 km S of Atka, Alaska · 2676 days ago · 35 km deep · 83 km away
  10. 4.4100 km SSE of Atka, Alaska · 2675 days ago · 10 km deep · 75 km away
  11. 3.082 km SSE of Atka, Alaska · 2675 days ago · 41 km deep · 60 km away
  12. 2.475 km SE of Atka, Alaska · 2675 days ago · 34 km deep · 34 km away
  13. 3.176 km ESE of Atka, Alaska · 2673 days ago · 30 km deep · 4 km away
  14. 2.633 km N of Atka, Alaska · 2672 days ago · 195 km deep · 93 km away
  15. 3.075 km ESE of Atka, Alaska · 2672 days ago · 35 km deep · 4 km away
  16. 2.148 km S of Atka, Alaska · 2663 days ago · 43 km deep · 77 km away
  17. 2.7132 km ESE of Atka, Alaska · 2661 days ago · 35 km deep · 63 km away
  18. 2.556 km NNE of Atka, Alaska · 2661 days ago · 158 km deep · 92 km away

Before

  1. 2.885 km ESE of Atka, Alaska · 2725 days ago · 33 km deep · 13 km away
  2. 3.088 km SE of Atka, Alaska · 2730 days ago · 38 km deep · 21 km away
  3. 2.544 km SW of Atka, Alaska · 2733 days ago · 70 km deep · 97 km away
  4. 3.372 km SE of Atka, Alaska · 2745 days ago · 27 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01955908ha. Read Fri, Oct 2, 2026, 3:01 PM UTC.