Alaska earthquakes

M2.4 earthquake 16 km SSE of Adak, Alaska

A magnitude 2.4 earthquake struck 16 km SSE of Adak, Alaska on Wed, Jan 1, 2020, 11:08 PM HAST (09:08 UTC), 74 km (46 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
2.4 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-01-02 09:08:35 UTC
Depth
74.0 km (46.0 mi), intermediate-depth
Epicenter
51.740° N, 176.515° 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
2.4ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.4ML, 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 6.8 km horizontally, 7.1 km in depth
Depth from
From location
Station coverage gap
200°, poorly surrounded by stations
Stations used
25

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 77 in the 30 days before it.

After

  1. 1.853 km SSE of Adak, Alaska · 2464 days ago · 26 km deep · 37 km away
  2. 1.529 km SSE of Adak, Alaska · 2463 days ago · 52 km deep · 13 km away
  3. 2.092 km SW of Atka, Alaska · 2463 days ago · 26 km deep · 95 km away
  4. 1.774 km SE of Adak, Alaska · 2462 days ago · 18 km deep · 59 km away
  5. 2.066 km WSW of Adak, Alaska · 2462 days ago · 70 km deep · 71 km away
  6. 2.475 km ENE of Adak, Alaska · 2462 days ago · 177 km deep · 78 km away
  7. 1.876 km E of Adak, Alaska · 2462 days ago · 91 km deep · 70 km away
  8. 2.030 km SSE of Adak, Alaska · 2462 days ago · 47 km deep · 14 km away
  9. 2.6101 km SW of Atka, Alaska · 2462 days ago · 29 km deep · 93 km away
  10. 2.0101 km SW of Adak, Alaska · 2461 days ago · 26 km deep · 98 km away
  11. 2.251 km SE of Adak, Alaska · 2461 days ago · 47 km deep · 35 km away
  12. 1.874 km WSW of Adak, Alaska · 2461 days ago · 66 km deep · 75 km away
  13. 1.7103 km SSW of Adak, Alaska · 2461 days ago · 14 km deep · 92 km away
  14. 1.955 km SE of Adak, Alaska · 2461 days ago · 23 km deep · 39 km away
  15. 2.466 km SE of Adak, Alaska · 2460 days ago · 24 km deep · 52 km away
  16. 1.730 km S of Adak, Alaska · 2460 days ago · 70 km deep · 15 km away
  17. 1.971 km S of Adak, Alaska · 2459 days ago · 20 km deep · 57 km away
  18. 1.773 km SSE of Adak, Alaska · 2459 days ago · 26 km deep · 57 km away
  19. 2.169 km ENE of Adak, Alaska · 2459 days ago · 143 km deep · 68 km away
  20. 1.944 km SSE of Adak, Alaska · 2458 days ago · 32 km deep · 28 km away
  21. 1.885 km SW of Adak, Alaska · 2458 days ago · 36 km deep · 83 km away
  22. 1.977 km WSW of Adak, Alaska · 2458 days ago · 63 km deep · 81 km away
  23. 2.669 km SSE of Adak, Alaska · 2457 days ago · 35 km deep · 53 km away
  24. 2.386 km SW of Adak, Alaska · 2456 days ago · 38 km deep · 86 km away
  25. 1.961 km SE of Adak, Alaska · 2454 days ago · 26 km deep · 45 km away
  26. 1.888 km ESE of Adak, Alaska · 2454 days ago · 18 km deep · 76 km away
  27. 2.562 km ENE of Adak, Alaska · 2453 days ago · 224 km deep · 65 km away
  28. 1.782 km WSW of Adak, Alaska · 2453 days ago · 45 km deep · 84 km away
  29. 1.69 km ENE of Adak, Alaska · 2453 days ago · 72 km deep · 19 km away
  30. 1.651 km SSW of Adak, Alaska · 2453 days ago · 48 km deep · 41 km away
  31. 1.975 km E of Adak, Alaska · 2452 days ago · 13 km deep · 66 km away
  32. 1.887 km ESE of Adak, Alaska · 2452 days ago · 35 km deep · 73 km away
  33. 1.572 km S of Adak, Alaska · 2452 days ago · 27 km deep · 58 km away
  34. 1.734 km NNW of Adak, Alaska · 2452 days ago · 123 km deep · 51 km away
  35. 3.369 km SE of Adak, Alaska · 2451 days ago · 29 km deep · 53 km away
  36. 2.460 km SSE of Adak, Alaska · 2451 days ago · 26 km deep · 43 km away
  37. 2.954 km SSE of Adak, Alaska · 2450 days ago · 34 km deep · 38 km away
  38. 2.023 km WSW of Adak, Alaska · 2450 days ago · 75 km deep · 29 km away
  39. 4.787 km SW of Atka, Alaska · 2449 days ago · 42 km deep · 92 km away · felt by 1
  40. 1.989 km SW of Atka, Alaska · 2449 days ago · 21 km deep · 88 km away
  41. 1.980 km SW of Adak, Alaska · 2449 days ago · 35 km deep · 79 km away
  42. 3.491 km SW of Atka, Alaska · 2449 days ago · 29 km deep · 93 km away
  43. 1.541 km ENE of Adak, Alaska · 2448 days ago · 17 km deep · 43 km away
  44. 2.1105 km ESE of Adak, Alaska · 2448 days ago · 26 km deep · 91 km away
  45. 1.849 km SSE of Adak, Alaska · 2448 days ago · 24 km deep · 33 km away
  46. 2.867 km ESE of Adak, Alaska · 2448 days ago · 43 km deep · 54 km away
  47. 2.182 km SE of Adak, Alaska · 2448 days ago · 21 km deep · 68 km away
  48. 1.539 km ENE of Adak, Alaska · 2447 days ago · 5 km deep · 43 km away
  49. 1.539 km ENE of Adak, Alaska · 2447 days ago · 5 km deep · 43 km away
  50. 1.841 km ENE of Adak, Alaska · 2447 days ago · 4 km deep · 45 km away
  51. 1.841 km ENE of Adak, Alaska · 2447 days ago · 4 km deep · 46 km away
  52. 2.288 km SW of Atka, Alaska · 2447 days ago · 35 km deep · 90 km away
  53. 2.765 km SE of Adak, Alaska · 2447 days ago · 28 km deep · 49 km away
  54. 1.757 km SE of Adak, Alaska · 2447 days ago · 27 km deep · 42 km away
  55. 1.615 km SSW of Adak, Alaska · 2446 days ago · 64 km deep · 16 km away
  56. 1.928 km SW of Adak, Alaska · 2446 days ago · 66 km deep · 27 km away
  57. 1.539 km SSE of Adak, Alaska · 2446 days ago · 35 km deep · 23 km away
  58. 4.492 km SW of Atka, Alaska · 2446 days ago · 42 km deep · 89 km away
  59. 1.668 km SSW of Adak, Alaska · 2446 days ago · 35 km deep · 60 km away
  60. 1.680 km WSW of Adak, Alaska · 2445 days ago · 39 km deep · 81 km away

The first 60 of at least 199.

Before

  1. 2.290 km SE of Adak, Alaska · 2464 days ago · 26 km deep · 75 km away
  2. 1.774 km SE of Adak, Alaska · 2465 days ago · 15 km deep · 58 km away
  3. 1.644 km S of Adak, Alaska · 2465 days ago · 33 km deep · 31 km away
  4. 4.624 km S of Adak, Alaska · 2465 days ago · 54 km deep · 15 km away · felt by 1
  5. 1.924 km ESE of Adak, Alaska · 2466 days ago · 71 km deep · 14 km away
  6. 1.635 km SW of Adak, Alaska · 2466 days ago · 16 km deep · 37 km away
  7. 1.886 km SW of Atka, Alaska · 2466 days ago · 26 km deep · 90 km away
  8. 2.025 km ENE of Adak, Alaska · 2467 days ago · 7 km deep · 27 km away
  9. 2.480 km SW of Adak, Alaska · 2467 days ago · 39 km deep · 81 km away
  10. 2.379 km WSW of Adak, Alaska · 2467 days ago · 43 km deep · 81 km away
  11. 2.2Andreanof Islands, Aleutian Islands, Alaska · 2467 days ago · 54 km deep · 25 km away
  12. 4.169 km SSW of Adak, Alaska · 2469 days ago · 35 km deep · 62 km away
  13. 2.071 km ESE of Adak, Alaska · 2470 days ago · 19 km deep · 57 km away
  14. 2.666 km SSE of Adak, Alaska · 2471 days ago · 35 km deep · 49 km away
  15. 2.344 km ESE of Adak, Alaska · 2471 days ago · 64 km deep · 34 km away
  16. 2.250 km S of Adak, Alaska · 2472 days ago · 36 km deep · 37 km away
  17. 2.234 km WSW of Adak, Alaska · 2472 days ago · 78 km deep · 39 km away
  18. 3.754 km S of Adak, Alaska · 2472 days ago · 35 km deep · 41 km away
  19. 4.260 km S of Adak, Alaska · 2472 days ago · 35 km deep · 46 km away
  20. 2.165 km SE of Adak, Alaska · 2473 days ago · 22 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70006xly (also filed as ak0203ghdy2). Read Thu, Oct 1, 2026, 10:06 AM UTC.