Alaska earthquakes

M1.6 earthquake 274 km W of Adak, Alaska

A magnitude 1.6 earthquake struck 274 km W of Adak, Alaska on Wed, Nov 1, 2023, 1:06 PM GMT+12 (01:06 UTC), 15 km (10 mi) below the surface.

A larger quake followed: M5.1 Rat Islands, Aleutian Islands, 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
1.6 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2023-11-01 01:06:47 UTC
Depth
15.3 km (9.5 mi), shallow
Epicenter
51.793° N, 179.385° E
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 2.1 km horizontally, 3.7 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
323°, poorly surrounded by stations
Stations used
6

Nearby

Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 78 in the 30 days before it.

After

  1. 3.1246 km W of Adak, Alaska · 1067 days ago · 184 km deep · 33 km away
  2. 2.3299 km WSW of Adak, Alaska · 1067 days ago · 23 km deep · 79 km away
  3. 2.1276 km WSW of Adak, Alaska · 1067 days ago · 15 km deep · 91 km away
  4. 1.8235 km WSW of Adak, Alaska · 1066 days ago · 18 km deep · 70 km away
  5. 1.9Rat Islands, Aleutian Islands, Alaska · 1066 days ago · 11 km deep · 75 km away
  6. 2.9197 km W of Adak, Alaska · 1066 days ago · 104 km deep · 80 km away
  7. 3.5233 km WSW of Adak, Alaska · 1065 days ago · 60 km deep · 69 km away
  8. 3.4241 km WSW of Adak, Alaska · 1065 days ago · 24 km deep · 89 km away
  9. 2.6222 km WSW of Adak, Alaska · 1064 days ago · 74 km deep · 66 km away
  10. 2.7260 km WSW of Adak, Alaska · 1064 days ago · 74 km deep · 42 km away
  11. 3.4Rat Islands, Aleutian Islands, Alaska · 1064 days ago · 29 km deep · 86 km away
  12. 4.1Rat Islands, Aleutian Islands, Alaska · 1064 days ago · 35 km deep · 69 km away
  13. 3.1Rat Islands, Aleutian Islands, Alaska · 1063 days ago · 96 km deep · 51 km away
  14. 2.7232 km W of Adak, Alaska · 1063 days ago · 10 km deep · 45 km away
  15. 3.3Rat Islands, Aleutian Islands, Alaska · 1063 days ago · 108 km deep · 92 km away
  16. 3.4Rat Islands, Aleutian Islands, Alaska · 1063 days ago · 77 km deep · 52 km away
  17. 5.1Rat Islands, Aleutian Islands, Alaska · 1063 days ago · 70 km deep · 84 km away · tsunami flag
  18. 2.8288 km WSW of Adak, Alaska · 1060 days ago · 32 km deep · 64 km away
  19. 3.6219 km WSW of Adak, Alaska · 1059 days ago · 35 km deep · 96 km away
  20. 2.2Rat Islands, Aleutian Islands, Alaska · 1056 days ago · 7 km deep · 74 km away
  21. 2.2258 km WSW of Adak, Alaska · 1056 days ago · 26 km deep · 56 km away
  22. 3.2240 km W of Adak, Alaska · 1054 days ago · 74 km deep · 42 km away
  23. 4.3Rat Islands, Aleutian Islands, Alaska · 1054 days ago · 157 km deep · 96 km away
  24. 4.4Rat Islands, Aleutian Islands, Alaska · 1054 days ago · 119 km deep · 77 km away
  25. 4.0Rat Islands, Aleutian Islands, Alaska · 1053 days ago · 140 km deep · 82 km away
  26. 3.3Rat Islands, Aleutian Islands, Alaska · 1052 days ago · 35 km deep · 31 km away
  27. 3.0Rat Islands, Aleutian Islands, Alaska · 1051 days ago · 73 km deep · 67 km away
  28. 2.5241 km WSW of Adak, Alaska · 1051 days ago · 73 km deep · 51 km away
  29. 2.6241 km WSW of Adak, Alaska · 1051 days ago · 10 km deep · 51 km away
  30. 1.9Rat Islands, Aleutian Islands, Alaska · 1051 days ago · 24 km deep · 43 km away
  31. 2.1243 km W of Adak, Alaska · 1051 days ago · 7 km deep · 46 km away
  32. 1.9247 km W of Adak, Alaska · 1051 days ago · 23 km deep · 42 km away
  33. 2.7Rat Islands, Aleutian Islands, Alaska · 1051 days ago · 68 km deep · 40 km away
  34. 2.8243 km WSW of Adak, Alaska · 1050 days ago · 10 km deep · 53 km away
  35. 2.7243 km WSW of Adak, Alaska · 1050 days ago · 9 km deep · 49 km away
  36. 3.1254 km WSW of Adak, Alaska · 1050 days ago · 26 km deep · 70 km away
  37. 2.1240 km W of Adak, Alaska · 1050 days ago · 7 km deep · 47 km away
  38. 2.6239 km WSW of Adak, Alaska · 1050 days ago · 10 km deep · 53 km away
  39. 2.1242 km W of Adak, Alaska · 1050 days ago · 6 km deep · 47 km away
  40. 2.3209 km W of Adak, Alaska · 1049 days ago · 71 km deep · 71 km away
  41. 2.5240 km W of Adak, Alaska · 1049 days ago · 10 km deep · 50 km away
  42. 3.1239 km WSW of Adak, Alaska · 1049 days ago · 16 km deep · 90 km away
  43. 3.0205 km W of Adak, Alaska · 1047 days ago · 104 km deep · 69 km away
  44. 4.2Rat Islands, Aleutian Islands, Alaska · 1046 days ago · 76 km deep · 51 km away
  45. 3.0Rat Islands, Aleutian Islands, Alaska · 1043 days ago · 35 km deep · 90 km away
  46. 2.9185 km WSW of Adak, Alaska · 1043 days ago · 79 km deep · 97 km away
  47. 3.6Rat Islands, Aleutian Islands, Alaska · 1043 days ago · 126 km deep · 91 km away
  48. 3.6191 km W of Adak, Alaska · 1042 days ago · 83 km deep · 89 km away
  49. 3.8292 km WSW of Adak, Alaska · 1041 days ago · 35 km deep · 92 km away
  50. 3.3Rat Islands, Aleutian Islands, Alaska · 1040 days ago · 111 km deep · 78 km away
  51. 2.7Rat Islands, Aleutian Islands, Alaska · 1037 days ago · 10 km deep · 56 km away
  52. 3.3Rat Islands, Aleutian Islands, Alaska · 1037 days ago · 101 km deep · 62 km away
  53. 2.3192 km WSW of Adak, Alaska · 1034 days ago · 65 km deep · 90 km away
  54. 2.6Rat Islands, Aleutian Islands, Alaska · 1034 days ago · 91 km deep · 58 km away
  55. 1.9299 km W of Adak, Alaska · 1032 days ago · 61 km deep · 28 km away
  56. 3.2Rat Islands, Aleutian Islands, Alaska · 1032 days ago · 66 km deep · 47 km away
  57. 2.7197 km WSW of Adak, Alaska · 1031 days ago · 72 km deep · 89 km away
  58. 2.2Rat Islands, Aleutian Islands, Alaska · 1031 days ago · 72 km deep · 59 km away
  59. 3.1Rat Islands, Aleutian Islands, Alaska · 1031 days ago · 75 km deep · 47 km away
  60. 2.0260 km WSW of Adak, Alaska · 1031 days ago · 21 km deep · 71 km away

The first 60 of 96.

Before

  1. 2.8Rat Islands, Aleutian Islands, Alaska · 1067 days ago · 131 km deep · 33 km away
  2. 2.7250 km W of Adak, Alaska · 1067 days ago · 166 km deep · 27 km away
  3. 1.7Rat Islands, Aleutian Islands, Alaska · 1067 days ago · 7 km deep · 75 km away
  4. 3.0Rat Islands, Aleutian Islands, Alaska · 1068 days ago · 135 km deep · 85 km away
  5. 1.8Rat Islands, Aleutian Islands, Alaska · 1068 days ago · 66 km deep · 42 km away
  6. 3.7Rat Islands, Aleutian Islands, Alaska · 1068 days ago · 50 km deep · 88 km away
  7. 3.0Rat Islands, Aleutian Islands, Alaska · 1069 days ago · 107 km deep · 62 km away
  8. 2.9Rat Islands, Aleutian Islands, Alaska · 1069 days ago · 35 km deep · 68 km away
  9. 2.7224 km WSW of Adak, Alaska · 1070 days ago · 25 km deep · 91 km away
  10. 2.6279 km W of Adak, Alaska · 1070 days ago · 151 km deep · 35 km away
  11. 1.9186 km W of Adak, Alaska · 1070 days ago · 74 km deep · 93 km away
  12. 2.7288 km WSW of Adak, Alaska · 1071 days ago · 58 km deep · 42 km away
  13. 2.7Rat Islands, Aleutian Islands, Alaska · 1071 days ago · 112 km deep · 53 km away
  14. 2.9Rat Islands, Aleutian Islands, Alaska · 1071 days ago · 59 km deep · 74 km away
  15. 1.9274 km W of Adak, Alaska · 1071 days ago · 54 km deep · 35 km away
  16. 1.7Rat Islands, Aleutian Islands, Alaska · 1072 days ago · 70 km deep · 58 km away
  17. 1.9237 km WSW of Adak, Alaska · 1072 days ago · 22 km deep · 75 km away
  18. 2.0202 km WSW of Adak, Alaska · 1072 days ago · 60 km deep · 85 km away
  19. 1.8212 km W of Adak, Alaska · 1072 days ago · 65 km deep · 67 km away
  20. 3.2Rat Islands, Aleutian Islands, Alaska · 1073 days ago · 137 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av92102916. Read Sat, Oct 3, 2026, 2:01 AM UTC.