Alaska earthquakes

M3.6 earthquake 129 km NW of Atka, Alaska

A magnitude 3.6 earthquake struck 129 km NW of Atka, Alaska on Sun, Mar 13, 2022, 12:17 AM HAST (10:17 UTC), 194 km (121 mi) below the surface.

A larger quake followed: M4.5 62 km NNW 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
3.6 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-03-13 10:17:13 UTC
Depth
194.3 km (120.7 mi), intermediate-depth
Epicenter
52.948° N, 175.663° 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
3.6mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.125 · 16 stations
2.7ML, 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 9.9 km horizontally, 14.4 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
128°
Stations used
58

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.150 km NE of Adak, Alaska · 1663 days ago · 146 km deep · 93 km away
  2. 2.440 km NNW of Atka, Alaska · 1663 days ago · 178 km deep · 96 km away
  3. 3.7103 km NE of Adak, Alaska · 1662 days ago · 245 km deep · 37 km away
  4. 2.270 km ENE of Adak, Alaska · 1660 days ago · 149 km deep · 100 km away
  5. 2.058 km W of Atka, Alaska · 1660 days ago · 130 km deep · 91 km away
  6. 2.333 km WNW of Atka, Alaska · 1660 days ago · 130 km deep · 99 km away
  7. 2.969 km WNW of Atka, Alaska · 1659 days ago · 219 km deep · 70 km away
  8. 3.9101 km NNW of Atka, Alaska · 1657 days ago · 223 km deep · 57 km away
  9. 2.253 km ENE of Adak, Alaska · 1653 days ago · 146 km deep · 95 km away
  10. 2.944 km NE of Adak, Alaska · 1651 days ago · 204 km deep · 98 km away
  11. 1.880 km ENE of Adak, Alaska · 1648 days ago · 17 km deep · 96 km away
  12. 3.834 km NW of Atka, Alaska · 1647 days ago · 186 km deep · 97 km away
  13. 2.977 km WNW of Atka, Alaska · 1647 days ago · 257 km deep · 58 km away
  14. 1.781 km ENE of Adak, Alaska · 1646 days ago · 13 km deep · 97 km away
  15. 3.3Andreanof Islands, Aleutian Islands, Alaska · 1643 days ago · 245 km deep · 59 km away
  16. 2.665 km ENE of Adak, Alaska · 1642 days ago · 199 km deep · 99 km away
  17. 1.880 km ENE of Adak, Alaska · 1635 days ago · 15 km deep · 98 km away
  18. 2.880 km NE of Adak, Alaska · 1634 days ago · 161 km deep · 65 km away
  19. 2.551 km NE of Adak, Alaska · 1633 days ago · 188 km deep · 87 km away
  20. 2.755 km NNW of Atka, Alaska · 1625 days ago · 171 km deep · 83 km away
  21. 3.477 km NW of Atka, Alaska · 1624 days ago · 200 km deep · 58 km away
  22. 2.264 km NE of Adak, Alaska · 1623 days ago · 165 km deep · 74 km away
  23. 2.783 km NNE of Adak, Alaska · 1620 days ago · 173 km deep · 53 km away
  24. 2.378 km ENE of Adak, Alaska · 1619 days ago · 155 km deep · 79 km away
  25. 4.562 km NNW of Atka, Alaska · 1618 days ago · 193 km deep · 81 km away
  26. 1.673 km ENE of Adak, Alaska · 1618 days ago · 7 km deep · 100 km away
  27. 2.757 km ENE of Adak, Alaska · 1615 days ago · 237 km deep · 96 km away
  28. 2.881 km NNE of Adak, Alaska · 1610 days ago · 225 km deep · 57 km away
  29. 2.371 km ENE of Adak, Alaska · 1608 days ago · 237 km deep · 89 km away
  30. 2.057 km NE of Adak, Alaska · 1607 days ago · 167 km deep · 84 km away
  31. 2.583 km ENE of Adak, Alaska · 1604 days ago · 152 km deep · 96 km away

Before

  1. 2.082 km ENE of Adak, Alaska · 1666 days ago · 13 km deep · 95 km away
  2. 2.153 km NE of Adak, Alaska · 1666 days ago · 147 km deep · 92 km away
  3. 3.086 km NE of Adak, Alaska · 1667 days ago · 170 km deep · 56 km away
  4. 1.980 km W of Atka, Alaska · 1673 days ago · 115 km deep · 94 km away
  5. 4.075 km W of Atka, Alaska · 1673 days ago · 147 km deep · 96 km away
  6. 3.974 km NNE of Adak, Alaska · 1674 days ago · 174 km deep · 63 km away
  7. 3.075 km NE of Adak, Alaska · 1677 days ago · 222 km deep · 70 km away
  8. 3.349 km NW of Atka, Alaska · 1678 days ago · 214 km deep · 82 km away
  9. 2.182 km ENE of Adak, Alaska · 1680 days ago · 10 km deep · 96 km away
  10. 3.050 km NNW of Atka, Alaska · 1683 days ago · 155 km deep · 82 km away
  11. 1.880 km ENE of Adak, Alaska · 1685 days ago · 13 km deep · 97 km away
  12. 3.050 km ENE of Adak, Alaska · 1686 days ago · 156 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000h2mi (also filed as ak0223b8r0fi). Read Fri, Oct 2, 2026, 1:58 AM UTC.