Alaska earthquakes

M3.1 earthquake 226 km WSW of Adak, Alaska

A magnitude 3.1 earthquake struck 226 km WSW of Adak, Alaska on Fri, May 27, 2022, 12:52 PM HADT (21:52 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.4 258 km W 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
3.1 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-05-27 21:52:14 UTC
Depth
18.1 km (11.3 mi), shallow
Epicenter
51.353° N, 179.798° 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
3.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
2.6ML, 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 4.3 km horizontally, 10.5 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
198°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 128 in the 30 days before it.

After

  1. 1.6240 km WSW of Adak, Alaska · 1587 days ago · 13 km deep · 23 km away
  2. 1.5191 km WSW of Adak, Alaska · 1587 days ago · 24 km deep · 42 km away
  3. 2.3258 km W of Adak, Alaska · 1587 days ago · 195 km deep · 87 km away
  4. 1.7192 km W of Adak, Alaska · 1587 days ago · 85 km deep · 48 km away
  5. 1.5140 km W of Adak, Alaska · 1586 days ago · 83 km deep · 87 km away
  6. 1.5206 km W of Adak, Alaska · 1586 days ago · 13 km deep · 46 km away
  7. 1.7262 km W of Adak, Alaska · 1586 days ago · 156 km deep · 97 km away
  8. 2.6182 km W of Adak, Alaska · 1586 days ago · 76 km deep · 47 km away
  9. 1.6199 km WSW of Adak, Alaska · 1585 days ago · 23 km deep · 42 km away
  10. 1.5Rat Islands, Aleutian Islands, Alaska · 1585 days ago · 71 km deep · 90 km away
  11. 3.4247 km W of Adak, Alaska · 1585 days ago · 10 km deep · 39 km away
  12. 1.5291 km W of Adak, Alaska · 1584 days ago · 75 km deep · 85 km away
  13. 3.5Rat Islands, Aleutian Islands, Alaska · 1584 days ago · 59 km deep · 96 km away
  14. 3.1287 km WSW of Adak, Alaska · 1583 days ago · 40 km deep · 60 km away
  15. 3.4277 km WSW of Adak, Alaska · 1583 days ago · 25 km deep · 53 km away
  16. 3.3276 km WSW of Adak, Alaska · 1583 days ago · 29 km deep · 52 km away
  17. 2.1281 km W of Adak, Alaska · 1582 days ago · 84 km deep · 77 km away
  18. 3.6155 km WSW of Adak, Alaska · 1582 days ago · 43 km deep · 90 km away
  19. 1.7154 km WSW of Adak, Alaska · 1582 days ago · 10 km deep · 72 km away
  20. 1.5155 km WSW of Adak, Alaska · 1582 days ago · 15 km deep · 71 km away
  21. 1.6155 km WSW of Adak, Alaska · 1582 days ago · 13 km deep · 71 km away
  22. 4.3Rat Islands, Aleutian Islands, Alaska · 1582 days ago · 35 km deep · 99 km away
  23. 2.8194 km W of Adak, Alaska · 1581 days ago · 97 km deep · 52 km away
  24. 1.7Rat Islands, Aleutian Islands, Alaska · 1581 days ago · 13 km deep · 100 km away
  25. 2.6198 km WSW of Adak, Alaska · 1580 days ago · 87 km deep · 32 km away
  26. 2.7267 km W of Adak, Alaska · 1579 days ago · 150 km deep · 84 km away
  27. 1.7238 km WSW of Adak, Alaska · 1579 days ago · 13 km deep · 35 km away
  28. 1.5Rat Islands, Aleutian Islands, Alaska · 1579 days ago · 58 km deep · 99 km away
  29. 1.5210 km WSW of Adak, Alaska · 1578 days ago · 19 km deep · 20 km away
  30. 2.3143 km W of Adak, Alaska · 1578 days ago · 8 km deep · 94 km away
  31. 1.6202 km WSW of Adak, Alaska · 1578 days ago · 23 km deep · 36 km away
  32. 1.6252 km W of Adak, Alaska · 1577 days ago · 90 km deep · 60 km away
  33. 1.7Rat Islands, Aleutian Islands, Alaska · 1576 days ago · 19 km deep · 82 km away
  34. 3.9229 km W of Adak, Alaska · 1576 days ago · 72 km deep · 21 km away
  35. 1.7Rat Islands, Aleutian Islands, Alaska · 1576 days ago · 12 km deep · 86 km away
  36. 2.1207 km W of Adak, Alaska · 1576 days ago · 182 km deep · 88 km away
  37. 2.9272 km WSW of Adak, Alaska · 1576 days ago · 31 km deep · 48 km away
  38. 1.6295 km WSW of Adak, Alaska · 1575 days ago · 43 km deep · 70 km away
  39. 1.6128 km WSW of Adak, Alaska · 1574 days ago · 7 km deep · 98 km away
  40. 1.5233 km WSW of Adak, Alaska · 1574 days ago · 19 km deep · 12 km away
  41. 1.8134 km W of Adak, Alaska · 1574 days ago · 11 km deep · 94 km away
  42. 3.1225 km W of Adak, Alaska · 1574 days ago · 19 km deep · 42 km away
  43. 1.6197 km WSW of Adak, Alaska · 1573 days ago · 21 km deep · 30 km away
  44. 3.7Rat Islands, Aleutian Islands, Alaska · 1573 days ago · 32 km deep · 94 km away
  45. 1.5148 km WSW of Adak, Alaska · 1573 days ago · 40 km deep · 92 km away
  46. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1573 days ago · 22 km deep · 91 km away
  47. 1.5190 km WSW of Adak, Alaska · 1573 days ago · 16 km deep · 37 km away
  48. 1.9Rat Islands, Aleutian Islands, Alaska · 1572 days ago · 38 km deep · 95 km away
  49. 1.7189 km WSW of Adak, Alaska · 1572 days ago · 24 km deep · 45 km away
  50. 1.9290 km W of Adak, Alaska · 1572 days ago · 50 km deep · 68 km away
  51. 2.8264 km W of Adak, Alaska · 1571 days ago · 90 km deep · 60 km away
  52. 1.5132 km WSW of Adak, Alaska · 1571 days ago · 13 km deep · 94 km away
  53. 2.9273 km WSW of Adak, Alaska · 1571 days ago · 68 km deep · 49 km away
  54. 2.8260 km W of Adak, Alaska · 1571 days ago · 64 km deep · 42 km away
  55. 2.6241 km WSW of Adak, Alaska · 1570 days ago · 10 km deep · 40 km away
  56. 1.7279 km W of Adak, Alaska · 1570 days ago · 82 km deep · 90 km away
  57. 2.9Rat Islands, Aleutian Islands, Alaska · 1568 days ago · 27 km deep · 92 km away
  58. 2.6191 km WSW of Adak, Alaska · 1567 days ago · 29 km deep · 49 km away
  59. 2.3253 km W of Adak, Alaska · 1567 days ago · 87 km deep · 69 km away
  60. 2.6203 km W of Adak, Alaska · 1566 days ago · 76 km deep · 38 km away

The first 60 of at least 199.

Before

  1. 2.8Rat Islands, Aleutian Islands, Alaska · 1587 days ago · 10 km deep · 83 km away
  2. 1.6154 km W of Adak, Alaska · 1588 days ago · 5 km deep · 81 km away
  3. 3.2298 km WSW of Adak, Alaska · 1588 days ago · 32 km deep · 73 km away
  4. 2.9297 km W of Adak, Alaska · 1588 days ago · 90 km deep · 91 km away
  5. 1.6236 km W of Adak, Alaska · 1588 days ago · 13 km deep · 31 km away
  6. 1.9281 km WSW of Adak, Alaska · 1589 days ago · 26 km deep · 58 km away
  7. 1.9Rat Islands, Aleutian Islands, Alaska · 1589 days ago · 34 km deep · 85 km away
  8. 2.0222 km WSW of Adak, Alaska · 1589 days ago · 26 km deep · 9 km away
  9. 1.8266 km WSW of Adak, Alaska · 1590 days ago · 61 km deep · 44 km away
  10. 2.0Rat Islands, Aleutian Islands, Alaska · 1590 days ago · 60 km deep · 95 km away
  11. 1.5212 km WSW of Adak, Alaska · 1590 days ago · 14 km deep · 15 km away
  12. 1.5142 km WSW of Adak, Alaska · 1590 days ago · 42 km deep · 94 km away
  13. 1.5163 km WSW of Adak, Alaska · 1590 days ago · 24 km deep · 65 km away
  14. 2.9245 km WSW of Adak, Alaska · 1591 days ago · 10 km deep · 41 km away
  15. 2.6Rat Islands, Aleutian Islands, Alaska · 1591 days ago · 65 km deep · 90 km away
  16. 2.1Rat Islands, Aleutian Islands, Alaska · 1592 days ago · 16 km deep · 98 km away
  17. 1.9128 km W of Adak, Alaska · 1592 days ago · 82 km deep · 100 km away
  18. 4.5130 km WSW of Adak, Alaska · 1592 days ago · 54 km deep · 99 km away
  19. 3.0148 km W of Adak, Alaska · 1593 days ago · 25 km deep · 95 km away
  20. 2.7253 km WSW of Adak, Alaska · 1594 days ago · 19 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000htg6 (also filed as ak0226rgtami). Read Thu, Oct 1, 2026, 6:24 AM UTC.