Alaska earthquakes

M3.0 earthquake 127 km SW of Adak, Alaska

A magnitude 3.0 earthquake struck 127 km SW of Adak, Alaska on Mon, Dec 2, 2019, 3:44 PM HAST (01:44 UTC), 27 km (17 mi) below the surface.

A larger quake followed: M6.2 84 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-12-03 01:44:36 UTC
Depth
27.2 km (16.9 mi), shallow
Epicenter
51.213° N, 178.133° 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
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
3.0ML, 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 3.4 km horizontally, 11.3 km in depth
Depth from
From location
Station coverage gap
210°, poorly surrounded by stations
Stations used
45

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 99 in the 30 days before it.

After

  1. 2.5154 km WSW of Adak, Alaska · 2495 days ago · 10 km deep · 34 km away
  2. 2.0108 km WSW of Adak, Alaska · 2495 days ago · 27 km deep · 23 km away
  3. 2.065 km SSW of Adak, Alaska · 2495 days ago · 45 km deep · 73 km away
  4. 2.6124 km SW of Adak, Alaska · 2495 days ago · 28 km deep · 7 km away
  5. 2.0126 km SW of Adak, Alaska · 2495 days ago · 26 km deep · 19 km away
  6. 2.8127 km WSW of Adak, Alaska · 2494 days ago · 15 km deep · 35 km away
  7. 3.0176 km W of Adak, Alaska · 2494 days ago · 80 km deep · 83 km away
  8. 2.9117 km SW of Adak, Alaska · 2494 days ago · 35 km deep · 11 km away
  9. 1.9124 km WSW of Adak, Alaska · 2493 days ago · 9 km deep · 47 km away
  10. 1.8119 km WSW of Adak, Alaska · 2492 days ago · 26 km deep · 16 km away
  11. 1.861 km SSW of Adak, Alaska · 2492 days ago · 39 km deep · 79 km away
  12. 2.2133 km SW of Adak, Alaska · 2492 days ago · 26 km deep · 12 km away
  13. 2.5115 km SW of Adak, Alaska · 2492 days ago · 24 km deep · 13 km away
  14. 2.8169 km WSW of Adak, Alaska · 2492 days ago · 98 km deep · 68 km away
  15. 3.086 km SW of Adak, Alaska · 2491 days ago · 35 km deep · 48 km away
  16. 2.1134 km SW of Adak, Alaska · 2491 days ago · 26 km deep · 9 km away
  17. 2.3199 km WSW of Adak, Alaska · 2491 days ago · 26 km deep · 81 km away
  18. 3.3126 km WSW of Adak, Alaska · 2490 days ago · 23 km deep · 42 km away
  19. 2.1140 km SW of Adak, Alaska · 2490 days ago · 26 km deep · 13 km away
  20. 2.084 km SW of Adak, Alaska · 2490 days ago · 39 km deep · 43 km away
  21. 1.6131 km WSW of Adak, Alaska · 2490 days ago · 7 km deep · 52 km away
  22. 1.8133 km SW of Adak, Alaska · 2490 days ago · 27 km deep · 7 km away
  23. 4.4170 km W of Adak, Alaska · 2490 days ago · 86 km deep · 79 km away
  24. 1.8149 km WSW of Adak, Alaska · 2490 days ago · 15 km deep · 45 km away
  25. 1.8Andreanof Islands, Aleutian Islands, Alaska · 2490 days ago · 5 km deep · 43 km away
  26. 1.7124 km WSW of Adak, Alaska · 2490 days ago · 11 km deep · 45 km away
  27. 2.4136 km W of Adak, Alaska · 2489 days ago · 151 km deep · 73 km away
  28. 3.7125 km WSW of Adak, Alaska · 2489 days ago · 15 km deep · 42 km away
  29. 4.282 km WSW of Adak, Alaska · 2487 days ago · 32 km deep · 48 km away
  30. 2.578 km WSW of Adak, Alaska · 2487 days ago · 35 km deep · 54 km away
  31. 1.9172 km W of Adak, Alaska · 2486 days ago · 7 km deep · 89 km away
  32. 2.7107 km WSW of Adak, Alaska · 2484 days ago · 30 km deep · 24 km away
  33. 2.6129 km SW of Adak, Alaska · 2484 days ago · 19 km deep · 21 km away
  34. 1.554 km SSW of Adak, Alaska · 2484 days ago · 38 km deep · 79 km away
  35. 1.8172 km WSW of Adak, Alaska · 2484 days ago · 22 km deep · 63 km away
  36. 1.7133 km WSW of Adak, Alaska · 2483 days ago · 7 km deep · 50 km away
  37. 1.6119 km WSW of Adak, Alaska · 2482 days ago · 14 km deep · 37 km away
  38. 1.549 km SW of Adak, Alaska · 2481 days ago · 23 km deep · 80 km away
  39. 1.768 km S of Adak, Alaska · 2481 days ago · 24 km deep · 92 km away
  40. 2.744 km SSW of Adak, Alaska · 2477 days ago · 35 km deep · 90 km away
  41. 1.997 km SSW of Adak, Alaska · 2474 days ago · 25 km deep · 67 km away
  42. 1.9136 km SW of Adak, Alaska · 2474 days ago · 21 km deep · 10 km away
  43. 1.9132 km SW of Adak, Alaska · 2474 days ago · 22 km deep · 8 km away
  44. 2.234 km WSW of Adak, Alaska · 2473 days ago · 78 km deep · 94 km away
  45. 2.1129 km SW of Adak, Alaska · 2473 days ago · 26 km deep · 4 km away
  46. 2.5133 km WSW of Adak, Alaska · 2473 days ago · 10 km deep · 27 km away
  47. 1.7168 km W of Adak, Alaska · 2473 days ago · 12 km deep · 89 km away
  48. 1.5110 km WSW of Adak, Alaska · 2473 days ago · 12 km deep · 35 km away
  49. 4.169 km SSW of Adak, Alaska · 2470 days ago · 35 km deep · 73 km away
  50. 3.0134 km WSW of Adak, Alaska · 2469 days ago · 21 km deep · 31 km away
  51. 2.379 km WSW of Adak, Alaska · 2468 days ago · 43 km deep · 48 km away
  52. 2.480 km SW of Adak, Alaska · 2468 days ago · 39 km deep · 46 km away
  53. 1.6129 km WSW of Adak, Alaska · 2467 days ago · 7 km deep · 42 km away
  54. 1.635 km SW of Adak, Alaska · 2467 days ago · 16 km deep · 92 km away
  55. 2.3130 km SW of Adak, Alaska · 2466 days ago · 28 km deep · 5 km away
  56. 2.6133 km WSW of Adak, Alaska · 2466 days ago · 17 km deep · 34 km away
  57. 4.8127 km SW of Adak, Alaska · 2466 days ago · 38 km deep · 1 km away · tsunami flag
  58. 1.9132 km SW of Adak, Alaska · 2466 days ago · 21 km deep · 8 km away
  59. 2.2195 km WSW of Adak, Alaska · 2466 days ago · 18 km deep · 80 km away
  60. 2.1130 km WSW of Adak, Alaska · 2465 days ago · 8 km deep · 51 km away

The first 60 of at least 199.

Before

  1. 2.1121 km SW of Adak, Alaska · 2495 days ago · 27 km deep · 6 km away
  2. 2.4132 km SW of Adak, Alaska · 2496 days ago · 26 km deep · 5 km away
  3. 2.2126 km SW of Adak, Alaska · 2496 days ago · 26 km deep · 9 km away
  4. 2.0125 km SW of Adak, Alaska · 2496 days ago · 13 km deep · 11 km away
  5. 2.2127 km SW of Adak, Alaska · 2496 days ago · 26 km deep · 9 km away
  6. 4.2125 km SW of Adak, Alaska · 2496 days ago · 35 km deep · 5 km away
  7. 2.5136 km SW of Adak, Alaska · 2496 days ago · 35 km deep · 16 km away
  8. 1.9131 km SW of Adak, Alaska · 2496 days ago · 20 km deep · 7 km away
  9. 2.4126 km SW of Adak, Alaska · 2496 days ago · 13 km deep · 6 km away
  10. 2.3125 km SW of Adak, Alaska · 2496 days ago · 13 km deep · 10 km away
  11. 3.2136 km SW of Adak, Alaska · 2496 days ago · 28 km deep · 16 km away
  12. 3.3133 km SW of Adak, Alaska · 2496 days ago · 26 km deep · 16 km away
  13. 6.0127 km SW of Adak, Alaska · 2496 days ago · 28 km deep · 4 km away · felt by 1 · tsunami flag
  14. 1.6116 km WSW of Adak, Alaska · 2497 days ago · 33 km deep · 17 km away
  15. 3.1199 km WSW of Adak, Alaska · 2499 days ago · 27 km deep · 80 km away
  16. 2.1148 km WSW of Adak, Alaska · 2500 days ago · 6 km deep · 41 km away
  17. 3.350 km SSW of Adak, Alaska · 2500 days ago · 33 km deep · 96 km away
  18. 2.2182 km WSW of Adak, Alaska · 2500 days ago · 27 km deep · 60 km away
  19. 1.640 km SW of Adak, Alaska · 2500 days ago · 52 km deep · 88 km away
  20. 1.9150 km WSW of Adak, Alaska · 2501 days ago · 26 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60006syq (also filed as ak019fhcyw6s). Read Fri, Oct 2, 2026, 7:02 AM UTC.