Alaska earthquakes

M2.6 earthquake 73 km ENE of Adak, Alaska

A magnitude 2.6 earthquake struck 73 km ENE of Adak, Alaska on Mon, Dec 16, 2019, 2:31 PM HAST (00:31 UTC), 155 km (96 mi) below the surface.

A larger quake followed: M4.7 87 km SW 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-12-17 00:31:28 UTC
Depth
155.1 km (96.4 mi), intermediate-depth
Epicenter
52.191° N, 175.699° 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
2.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
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 14.2 km horizontally, 5.2 km in depth
Depth from
From location
Station coverage gap
181°, poorly surrounded by stations
Stations used
26

Nearby

Within 100 km, magnitude 1.5 and up: 115 in the 60 days after this one and 148 in the 30 days before it.

After

  1. 1.889 km SW of Atka, Alaska · 2484 days ago · 26 km deep · 81 km away
  2. 2.724 km W of Atka, Alaska · 2483 days ago · 35 km deep · 78 km away
  3. 1.889 km SW of Atka, Alaska · 2482 days ago · 37 km deep · 60 km away
  4. 1.843 km ENE of Adak, Alaska · 2482 days ago · 6 km deep · 30 km away
  5. 2.456 km SSW of Atka, Alaska · 2481 days ago · 24 km deep · 88 km away
  6. 2.066 km SE of Adak, Alaska · 2481 days ago · 26 km deep · 92 km away
  7. 2.973 km W of Atka, Alaska · 2481 days ago · 249 km deep · 30 km away
  8. 2.252 km SSE of Adak, Alaska · 2480 days ago · 26 km deep · 88 km away
  9. 2.6106 km ESE of Adak, Alaska · 2479 days ago · 28 km deep · 93 km away
  10. 4.075 km ESE of Adak, AK · 2478 days ago · 35 km deep · 68 km away
  11. 2.165 km SE of Adak, Alaska · 2477 days ago · 22 km deep · 92 km away
  12. 2.344 km ESE of Adak, Alaska · 2475 days ago · 64 km deep · 52 km away
  13. 2.071 km ESE of Adak, Alaska · 2474 days ago · 19 km deep · 70 km away
  14. 2.2Andreanof Islands, Aleutian Islands, Alaska · 2471 days ago · 54 km deep · 66 km away
  15. 2.025 km ENE of Adak, Alaska · 2471 days ago · 7 km deep · 49 km away
  16. 1.886 km SW of Atka, Alaska · 2470 days ago · 26 km deep · 62 km away
  17. 2.047 km SSW of Atka, Alaska · 2470 days ago · 36 km deep · 91 km away
  18. 1.924 km ESE of Adak, Alaska · 2470 days ago · 71 km deep · 63 km away
  19. 4.624 km S of Adak, Alaska · 2469 days ago · 54 km deep · 90 km away · felt by 1
  20. 1.774 km SE of Adak, Alaska · 2468 days ago · 15 km deep · 87 km away
  21. 2.290 km SE of Adak, Alaska · 2468 days ago · 26 km deep · 89 km away
  22. 2.416 km SSE of Adak, Alaska · 2468 days ago · 74 km deep · 75 km away
  23. 1.853 km SSE of Adak, Alaska · 2468 days ago · 26 km deep · 87 km away
  24. 1.847 km WSW of Atka, Alaska · 2467 days ago · 78 km deep · 59 km away
  25. 1.529 km SSE of Adak, Alaska · 2467 days ago · 52 km deep · 81 km away
  26. 2.092 km SW of Atka, Alaska · 2467 days ago · 26 km deep · 75 km away
  27. 1.774 km SE of Adak, Alaska · 2466 days ago · 18 km deep · 83 km away
  28. 2.475 km ENE of Adak, Alaska · 2466 days ago · 177 km deep · 4 km away
  29. 1.876 km E of Adak, Alaska · 2466 days ago · 91 km deep · 35 km away
  30. 2.030 km SSE of Adak, Alaska · 2466 days ago · 47 km deep · 81 km away
  31. 2.6101 km SW of Atka, Alaska · 2466 days ago · 29 km deep · 80 km away
  32. 1.946 km WSW of Atka, Alaska · 2465 days ago · 74 km deep · 67 km away
  33. 2.251 km SE of Adak, Alaska · 2465 days ago · 47 km deep · 83 km away
  34. 1.955 km SE of Adak, Alaska · 2465 days ago · 23 km deep · 87 km away
  35. 2.466 km SE of Adak, Alaska · 2464 days ago · 24 km deep · 73 km away
  36. 1.730 km S of Adak, Alaska · 2464 days ago · 70 km deep · 88 km away
  37. 2.169 km ENE of Adak, Alaska · 2462 days ago · 143 km deep · 14 km away
  38. 1.944 km SSE of Adak, Alaska · 2462 days ago · 32 km deep · 88 km away
  39. 2.669 km SSE of Adak, Alaska · 2461 days ago · 35 km deep · 97 km away
  40. 1.715 km SSW of Atka, Alaska · 2461 days ago · 11 km deep · 99 km away
  41. 1.961 km SE of Adak, Alaska · 2458 days ago · 26 km deep · 78 km away
  42. 2.387 km SW of Atka, Alaska · 2458 days ago · 27 km deep · 77 km away
  43. 1.888 km ESE of Adak, Alaska · 2458 days ago · 18 km deep · 70 km away
  44. 2.562 km ENE of Adak, Alaska · 2457 days ago · 224 km deep · 11 km away
  45. 1.69 km ENE of Adak, Alaska · 2457 days ago · 72 km deep · 63 km away
  46. 1.975 km E of Adak, Alaska · 2456 days ago · 13 km deep · 49 km away
  47. 1.887 km ESE of Adak, Alaska · 2456 days ago · 35 km deep · 82 km away
  48. 2.691 km WNW of Atka, Alaska · 2456 days ago · 210 km deep · 38 km away
  49. 1.734 km NNW of Adak, Alaska · 2456 days ago · 123 km deep · 82 km away
  50. 3.369 km SE of Adak, Alaska · 2455 days ago · 29 km deep · 95 km away
  51. 2.460 km SSE of Adak, Alaska · 2455 days ago · 26 km deep · 91 km away
  52. 2.954 km SSE of Adak, Alaska · 2454 days ago · 34 km deep · 100 km away
  53. 2.023 km WSW of Adak, Alaska · 2454 days ago · 75 km deep · 97 km away
  54. 4.787 km SW of Atka, Alaska · 2453 days ago · 42 km deep · 65 km away · felt by 1
  55. 1.989 km SW of Atka, Alaska · 2453 days ago · 21 km deep · 62 km away
  56. 3.491 km SW of Atka, Alaska · 2453 days ago · 29 km deep · 71 km away
  57. 1.541 km ENE of Adak, Alaska · 2452 days ago · 17 km deep · 32 km away
  58. 2.1105 km ESE of Adak, Alaska · 2452 days ago · 26 km deep · 92 km away
  59. 1.849 km SSE of Adak, Alaska · 2452 days ago · 24 km deep · 90 km away
  60. 2.867 km ESE of Adak, Alaska · 2452 days ago · 43 km deep · 66 km away

The first 60 of 115.

Before

  1. 2.371 km SE of Adak, Alaska · 2484 days ago · 27 km deep · 90 km away
  2. 2.273 km W of Atka, Alaska · 2485 days ago · 135 km deep · 29 km away
  3. 2.880 km ESE of Adak, Alaska · 2485 days ago · 53 km deep · 64 km away
  4. 1.958 km SE of Adak, Alaska · 2485 days ago · 33 km deep · 74 km away
  5. 2.071 km SW of Atka, AK · 2485 days ago · 42 km deep · 67 km away
  6. 2.530 km ESE of Adak, Alaska · 2486 days ago · 75 km deep · 64 km away
  7. 2.260 km SSE of Adak, Alaska · 2486 days ago · 23 km deep · 93 km away
  8. 2.853 km N of Adak, Alaska · 2486 days ago · 250 km deep · 63 km away
  9. 2.185 km WSW of Atka, Alaska · 2486 days ago · 69 km deep · 38 km away
  10. 1.662 km ESE of Adak, Alaska · 2487 days ago · 44 km deep · 70 km away
  11. 2.086 km E of Adak, Alaska · 2487 days ago · 59 km deep · 52 km away
  12. 1.769 km SW of Atka, Alaska · 2487 days ago · 21 km deep · 74 km away
  13. 1.891 km ESE of Adak, Alaska · 2488 days ago · 29 km deep · 80 km away
  14. 1.550 km ESE of Adak, Alaska · 2488 days ago · 68 km deep · 52 km away
  15. 1.683 km SW of Atka, Alaska · 2488 days ago · 47 km deep · 79 km away
  16. 1.68 km ESE of Adak, Alaska · 2488 days ago · 71 km deep · 69 km away
  17. 2.287 km SE of Adak, Alaska · 2488 days ago · 25 km deep · 87 km away
  18. 2.589 km ESE of Adak, Alaska · 2489 days ago · 35 km deep · 79 km away
  19. 2.090 km ESE of Adak, Alaska · 2489 days ago · 35 km deep · 85 km away
  20. 2.281 km SE of Adak, Alaska · 2489 days ago · 19 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70006uuu (also filed as ak019g4htip7). Read Mon, Oct 5, 2026, 9:19 AM UTC.