Alaska earthquakes

M3.3 earthquake 69 km SE of Adak, Alaska

A magnitude 3.3 earthquake struck 69 km SE of Adak, Alaska on Wed, Jan 15, 2020, 2:33 AM HAST (12:33 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M5.0 119 km SSW 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
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-01-15 12:33:33 UTC
Depth
28.6 km (17.8 mi), shallow
Epicenter
51.364° N, 176.046° 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
3.3ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
3.3ML, 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 3.5 km horizontally, 12.6 km in depth
Depth from
From location
Station coverage gap
206°, poorly surrounded by stations
Stations used
36

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 59 in the 30 days before it.

After

  1. 2.460 km SSE of Adak, Alaska · 2451 days ago · 26 km deep · 10 km away
  2. 2.954 km SSE of Adak, Alaska · 2450 days ago · 34 km deep · 25 km away
  3. 2.023 km WSW of Adak, Alaska · 2450 days ago · 75 km deep · 76 km away
  4. 4.787 km SW of Atka, Alaska · 2449 days ago · 42 km deep · 70 km away · felt by 1
  5. 1.989 km SW of Atka, Alaska · 2449 days ago · 21 km deep · 68 km away
  6. 3.491 km SW of Atka, Alaska · 2448 days ago · 29 km deep · 67 km away
  7. 1.541 km ENE of Adak, Alaska · 2448 days ago · 17 km deep · 74 km away
  8. 2.1105 km ESE of Adak, Alaska · 2448 days ago · 26 km deep · 51 km away
  9. 1.849 km SSE of Adak, Alaska · 2448 days ago · 24 km deep · 22 km away
  10. 2.867 km ESE of Adak, Alaska · 2448 days ago · 43 km deep · 33 km away
  11. 2.182 km SE of Adak, Alaska · 2448 days ago · 21 km deep · 26 km away
  12. 1.539 km ENE of Adak, Alaska · 2447 days ago · 5 km deep · 76 km away
  13. 1.539 km ENE of Adak, Alaska · 2447 days ago · 5 km deep · 76 km away
  14. 1.841 km ENE of Adak, Alaska · 2447 days ago · 4 km deep · 78 km away
  15. 1.841 km ENE of Adak, Alaska · 2447 days ago · 4 km deep · 79 km away
  16. 2.288 km SW of Atka, Alaska · 2447 days ago · 35 km deep · 69 km away
  17. 2.765 km SE of Adak, Alaska · 2447 days ago · 28 km deep · 4 km away
  18. 1.757 km SE of Adak, Alaska · 2446 days ago · 27 km deep · 17 km away
  19. 1.615 km SSW of Adak, Alaska · 2446 days ago · 64 km deep · 65 km away
  20. 1.928 km SW of Adak, Alaska · 2446 days ago · 66 km deep · 68 km away
  21. 1.539 km SSE of Adak, Alaska · 2446 days ago · 35 km deep · 31 km away
  22. 4.492 km SW of Atka, Alaska · 2446 days ago · 42 km deep · 66 km away
  23. 1.668 km SSW of Adak, Alaska · 2446 days ago · 35 km deep · 72 km away
  24. 2.056 km S of Adak, Alaska · 2444 days ago · 26 km deep · 30 km away
  25. 2.662 km S of Adak, Alaska · 2442 days ago · 35 km deep · 31 km away
  26. 2.493 km SW of Atka, Alaska · 2442 days ago · 26 km deep · 65 km away
  27. 3.146 km ENE of Adak, Alaska · 2441 days ago · 135 km deep · 69 km away
  28. 2.469 km E of Adak, Alaska · 2441 days ago · 71 km deep · 64 km away
  29. 2.897 km SW of Atka, Alaska · 2441 days ago · 35 km deep · 63 km away
  30. 2.337 km SSW of Adak, Alaska · 2438 days ago · 26 km deep · 60 km away
  31. 1.658 km SSE of Adak, Alaska · 2436 days ago · 24 km deep · 12 km away
  32. 2.042 km ENE of Adak, Alaska · 2436 days ago · 7 km deep · 76 km away
  33. 2.341 km ENE of Adak, Alaska · 2436 days ago · 5 km deep · 78 km away
  34. 2.172 km SE of Adak, Alaska · 2436 days ago · 35 km deep · 15 km away
  35. 1.9Andreanof Islands, Aleutian Islands, Alaska · 2435 days ago · 22 km deep · 13 km away
  36. 1.757 km SSE of Adak, Alaska · 2435 days ago · 25 km deep · 14 km away
  37. 2.079 km SE of Adak, Alaska · 2435 days ago · 25 km deep · 26 km away
  38. 1.889 km SW of Atka, Alaska · 2434 days ago · 17 km deep · 69 km away
  39. 2.138 km ENE of Adak, Alaska · 2434 days ago · 18 km deep · 78 km away
  40. 1.943 km S of Adak, Alaska · 2434 days ago · 25 km deep · 47 km away
  41. 2.5111 km S of Adak, Alaska · 2434 days ago · 10 km deep · 75 km away
  42. 2.351 km SE of Adak, Alaska · 2434 days ago · 26 km deep · 18 km away
  43. 1.832 km ESE of Adak, Alaska · 2433 days ago · 70 km deep · 50 km away
  44. 2.423 km S of Adak, Alaska · 2433 days ago · 60 km deep · 50 km away
  45. 1.541 km ENE of Adak, Alaska · 2432 days ago · 5 km deep · 78 km away
  46. 2.1120 km SSW of Atka, Alaska · 2432 days ago · 14 km deep · 72 km away
  47. 2.058 km SE of Adak, Alaska · 2431 days ago · 26 km deep · 14 km away
  48. 1.862 km ESE of Adak, Alaska · 2431 days ago · 33 km deep · 35 km away
  49. 2.881 km E of Adak, Alaska · 2430 days ago · 92 km deep · 82 km away
  50. 3.381 km ESE of Adak, Alaska · 2430 days ago · 53 km deep · 41 km away
  51. 2.462 km SE of Adak, Alaska · 2430 days ago · 32 km deep · 17 km away
  52. 2.560 km SSE of Adak, Alaska · 2430 days ago · 28 km deep · 14 km away
  53. 4.190 km SSE of Adak, Alaska · 2429 days ago · 35 km deep · 26 km away
  54. 1.9112 km SSW of Atka, Alaska · 2429 days ago · 14 km deep · 73 km away
  55. 1.570 km ENE of Adak, Alaska · 2429 days ago · 17 km deep · 88 km away
  56. 1.743 km S of Adak, Alaska · 2429 days ago · 28 km deep · 41 km away
  57. 1.540 km ENE of Adak, Alaska · 2428 days ago · 5 km deep · 79 km away
  58. 3.159 km S of Adak, Alaska · 2428 days ago · 35 km deep · 51 km away
  59. 1.921 km S of Adak, Alaska · 2427 days ago · 57 km deep · 55 km away
  60. 1.541 km ENE of Adak, Alaska · 2427 days ago · 5 km deep · 80 km away

The first 60 of 198.

Before

  1. 1.572 km S of Adak, Alaska · 2452 days ago · 27 km deep · 38 km away
  2. 1.887 km ESE of Adak, Alaska · 2452 days ago · 35 km deep · 34 km away
  3. 1.975 km E of Adak, Alaska · 2452 days ago · 13 km deep · 55 km away
  4. 1.651 km SSW of Adak, Alaska · 2452 days ago · 48 km deep · 58 km away
  5. 1.69 km ENE of Adak, Alaska · 2453 days ago · 72 km deep · 69 km away
  6. 2.562 km ENE of Adak, Alaska · 2453 days ago · 224 km deep · 90 km away
  7. 1.888 km ESE of Adak, Alaska · 2454 days ago · 18 km deep · 49 km away
  8. 2.387 km SW of Atka, Alaska · 2454 days ago · 27 km deep · 74 km away
  9. 1.961 km SE of Adak, Alaska · 2454 days ago · 26 km deep · 17 km away
  10. 2.669 km SSE of Adak, Alaska · 2457 days ago · 35 km deep · 2 km away
  11. 1.944 km SSE of Adak, Alaska · 2458 days ago · 32 km deep · 27 km away
  12. 2.169 km ENE of Adak, Alaska · 2458 days ago · 143 km deep · 82 km away
  13. 1.773 km SSE of Adak, Alaska · 2459 days ago · 26 km deep · 29 km away
  14. 1.971 km S of Adak, Alaska · 2459 days ago · 20 km deep · 39 km away
  15. 1.730 km S of Adak, Alaska · 2460 days ago · 70 km deep · 45 km away
  16. 2.466 km SE of Adak, Alaska · 2460 days ago · 24 km deep · 25 km away
  17. 1.955 km SE of Adak, Alaska · 2461 days ago · 23 km deep · 14 km away
  18. 1.7103 km SSW of Adak, Alaska · 2461 days ago · 14 km deep · 81 km away
  19. 2.251 km SE of Adak, Alaska · 2461 days ago · 47 km deep · 18 km away
  20. 2.6101 km SW of Atka, Alaska · 2462 days ago · 29 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60007hpd (also filed as ak020p0ek00). Read Thu, Oct 1, 2026, 8:47 AM UTC.