Alaska earthquakes

M1.5 earthquake 70 km ENE of Adak, Alaska

A magnitude 1.5 earthquake struck 70 km ENE of Adak, Alaska on Wed, Feb 5, 2020, 9:23 PM HAST (07:23 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M4.8 117 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
1.5 (ml), micro
Local time
UTC
2020-02-06 07:23:03 UTC
Depth
17.3 km (10.7 mi), shallow
Epicenter
52.126° N, 175.687° W
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 1.3 km horizontally, 2.3 km in depth
Magnitude uncertainty
±0.33
Depth from
From location
Station coverage gap
323°, poorly surrounded by stations
Stations used
7

Nearby

Within 100 km, magnitude 1.5 and up: 123 in the 60 days after this one and 65 in the 30 days before it.

After

  1. 1.743 km S of Adak, Alaska · 2428 days ago · 28 km deep · 95 km away
  2. 1.540 km ENE of Adak, Alaska · 2428 days ago · 5 km deep · 32 km away
  3. 1.921 km S of Adak, Alaska · 2427 days ago · 57 km deep · 83 km away
  4. 1.541 km ENE of Adak, Alaska · 2426 days ago · 5 km deep · 30 km away
  5. 1.541 km ENE of Adak, Alaska · 2426 days ago · 4 km deep · 30 km away
  6. 2.049 km SW of Atka, Alaska · 2426 days ago · 37 km deep · 74 km away
  7. 1.540 km ENE of Adak, Alaska · 2426 days ago · 4 km deep · 31 km away
  8. 1.958 km SSE of Adak, Alaska · 2425 days ago · 23 km deep · 91 km away
  9. 1.844 km S of Adak, Alaska · 2424 days ago · 25 km deep · 99 km away
  10. 2.074 km SE of Adak, Alaska · 2424 days ago · 23 km deep · 83 km away
  11. 1.674 km WSW of Atka, Alaska · 2423 days ago · 47 km deep · 48 km away
  12. 1.838 km SSW of Atka, Alaska · 2423 days ago · 26 km deep · 90 km away
  13. 1.941 km ENE of Adak, Alaska · 2423 days ago · 4 km deep · 30 km away
  14. 1.940 km ENE of Adak, Alaska · 2423 days ago · 4 km deep · 31 km away
  15. 1.9Andreanof Islands, Aleutian Islands, Alaska · 2423 days ago · 5 km deep · 31 km away
  16. 2.3113 km SW of Atka, Alaska · 2421 days ago · 13 km deep · 94 km away
  17. 3.253 km SE of Adak, Alaska · 2420 days ago · 32 km deep · 75 km away
  18. 3.051 km SE of Adak, Alaska · 2420 days ago · 36 km deep · 78 km away
  19. 2.666 km SSW of Atka, Alaska · 2419 days ago · 69 km deep · 89 km away
  20. 1.659 km SE of Adak, Alaska · 2419 days ago · 26 km deep · 80 km away
  21. 2.841 km E of Adak, Alaska · 2419 days ago · 130 km deep · 33 km away
  22. 2.241 km ENE of Adak, Alaska · 2418 days ago · 3 km deep · 30 km away
  23. 2.537 km ESE of Adak, Alaska · 2418 days ago · 70 km deep · 53 km away
  24. 2.593 km SW of Atka, Alaska · 2418 days ago · 31 km deep · 69 km away
  25. 1.840 km SSW of Atka, Alaska · 2418 days ago · 66 km deep · 86 km away
  26. 1.862 km SE of Adak, Alaska · 2418 days ago · 20 km deep · 77 km away
  27. 2.0103 km SW of Atka, Alaska · 2417 days ago · 5 km deep · 82 km away
  28. 1.786 km SW of Atka, Alaska · 2417 days ago · 26 km deep · 62 km away
  29. 2.780 km SE of Adak, Alaska · 2416 days ago · 28 km deep · 90 km away
  30. 1.540 km ENE of Adak, Alaska · 2416 days ago · 5 km deep · 31 km away
  31. 2.178 km SSW of Atka, Alaska · 2415 days ago · 26 km deep · 95 km away
  32. 1.541 km ENE of Adak, Alaska · 2415 days ago · 4 km deep · 30 km away
  33. 2.665 km SE of Adak, Alaska · 2413 days ago · 35 km deep · 75 km away
  34. 1.539 km ENE of Adak, Alaska · 2413 days ago · 16 km deep · 32 km away
  35. 2.840 km SW of Atka, Alaska · 2413 days ago · 80 km deep · 83 km away
  36. 1.564 km SE of Adak, Alaska · 2413 days ago · 26 km deep · 77 km away
  37. 1.663 km ESE of Adak, Alaska · 2412 days ago · 35 km deep · 61 km away
  38. 1.637 km S of Adak, Alaska · 2412 days ago · 52 km deep · 87 km away
  39. 3.725 km WNW of Adak, Alaska · 2410 days ago · 103 km deep · 89 km away
  40. 1.948 km SSE of Adak, Alaska · 2410 days ago · 43 km deep · 93 km away
  41. 1.646 km ENE of Adak, Alaska · 2409 days ago · 6 km deep · 25 km away
  42. 1.848 km SE of Adak, Alaska · 2409 days ago · 27 km deep · 75 km away
  43. 3.965 km NE of Adak, Alaska · 2409 days ago · 150 km deep · 18 km away
  44. 1.941 km ENE of Adak, Alaska · 2409 days ago · 5 km deep · 30 km away
  45. 1.643 km ENE of Adak, Alaska · 2408 days ago · 6 km deep · 28 km away
  46. 1.872 km SE of Adak, Alaska · 2408 days ago · 20 km deep · 77 km away
  47. 1.972 km ESE of Adak, Alaska · 2408 days ago · 26 km deep · 60 km away
  48. 1.841 km ENE of Adak, Alaska · 2407 days ago · 4 km deep · 30 km away
  49. 1.640 km ENE of Adak, Alaska · 2407 days ago · 4 km deep · 30 km away
  50. 1.718 km SW of Atka, Alaska · 2407 days ago · 71 km deep · 87 km away
  51. 2.946 km W of Atka, Alaska · 2407 days ago · 110 km deep · 56 km away
  52. 1.958 km SSE of Adak, Alaska · 2406 days ago · 23 km deep · 84 km away
  53. 1.639 km ENE of Adak, Alaska · 2406 days ago · 5 km deep · 32 km away
  54. 1.840 km ENE of Adak, Alaska · 2406 days ago · 4 km deep · 31 km away
  55. 1.558 km SSE of Adak, Alaska · 2406 days ago · 26 km deep · 90 km away
  56. 2.145 km ENE of Adak, Alaska · 2405 days ago · 7 km deep · 26 km away
  57. 1.939 km ENE of Adak, Alaska · 2405 days ago · 5 km deep · 32 km away
  58. 2.959 km SSW of Atka, Alaska · 2405 days ago · 28 km deep · 91 km away
  59. 1.741 km ENE of Adak, Alaska · 2404 days ago · 5 km deep · 30 km away
  60. 1.561 km ESE of Adak, Alaska · 2404 days ago · 30 km deep · 61 km away

The first 60 of 123.

Before

  1. 2.560 km SSE of Adak, Alaska · 2429 days ago · 28 km deep · 90 km away
  2. 2.462 km SE of Adak, Alaska · 2430 days ago · 32 km deep · 71 km away
  3. 3.381 km ESE of Adak, Alaska · 2430 days ago · 53 km deep · 62 km away
  4. 2.881 km E of Adak, Alaska · 2430 days ago · 92 km deep · 20 km away
  5. 3.584 km WNW of Atka, Alaska · 2431 days ago · 233 km deep · 41 km away
  6. 1.862 km ESE of Adak, Alaska · 2431 days ago · 33 km deep · 54 km away
  7. 2.058 km SE of Adak, Alaska · 2431 days ago · 26 km deep · 75 km away
  8. 1.541 km ENE of Adak, Alaska · 2432 days ago · 5 km deep · 30 km away
  9. 2.423 km S of Adak, Alaska · 2433 days ago · 60 km deep · 80 km away
  10. 1.832 km ESE of Adak, Alaska · 2433 days ago · 70 km deep · 48 km away
  11. 2.351 km SE of Adak, Alaska · 2434 days ago · 26 km deep · 75 km away
  12. 1.943 km S of Adak, Alaska · 2434 days ago · 25 km deep · 99 km away
  13. 2.138 km ENE of Adak, Alaska · 2434 days ago · 18 km deep · 33 km away
  14. 1.889 km SW of Atka, Alaska · 2434 days ago · 17 km deep · 63 km away
  15. 2.079 km SE of Adak, Alaska · 2434 days ago · 25 km deep · 75 km away
  16. 1.757 km SSE of Adak, Alaska · 2434 days ago · 25 km deep · 86 km away
  17. 1.9Andreanof Islands, Aleutian Islands, Alaska · 2435 days ago · 22 km deep · 84 km away
  18. 2.172 km SE of Adak, Alaska · 2435 days ago · 35 km deep · 78 km away
  19. 3.225 km WNW of Atka, Alaska · 2436 days ago · 226 km deep · 80 km away
  20. 2.341 km ENE of Adak, Alaska · 2436 days ago · 5 km deep · 30 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av70868709. Read Thu, Oct 1, 2026, 12:45 AM UTC.