Alaska earthquakes

M1.7 earthquake 18 km W of Adak, Alaska

A magnitude 1.7 earthquake struck 18 km W of Adak, Alaska on Fri, Mar 1, 2019, 8:55 AM HAST (18:55 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.7 47 km SE 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
1.7 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2019-03-01 18:55:17 UTC
Depth
0.4 km (0.3 mi), shallow
Epicenter
51.870° N, 176.905° 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
1.73ML, local (Richter)AVPreferred · Final · ±0.268 · 9 stations
2.0ML, 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 0.7 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
159°
Stations used
14

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 57 in the 30 days before it.

After

  1. 2.128 km SSE of Adak, Alaska · 2771 days ago · 52 km deep · 42 km away
  2. 2.590 km W of Adak, Alaska · 2771 days ago · 10 km deep · 72 km away
  3. 2.171 km WSW of Adak, Alaska · 2771 days ago · 66 km deep · 53 km away
  4. 2.568 km E of Adak, Alaska · 2769 days ago · 175 km deep · 87 km away
  5. 1.641 km ENE of Adak, Alaska · 2769 days ago · 4 km deep · 58 km away
  6. 1.541 km ENE of Adak, Alaska · 2769 days ago · 3 km deep · 58 km away
  7. 2.458 km SE of Adak, Alaska · 2768 days ago · 35 km deep · 70 km away
  8. 2.183 km SSE of Adak, Alaska · 2768 days ago · 15 km deep · 89 km away
  9. 1.659 km ENE of Adak, Alaska · 2768 days ago · -2 km deep · 77 km away
  10. 1.748 km W of Adak, Alaska · 2766 days ago · 8 km deep · 30 km away
  11. 2.649 km SSE of Adak, Alaska · 2765 days ago · 34 km deep · 58 km away
  12. 1.635 km WSW of Adak, Alaska · 2765 days ago · 11 km deep · 19 km away
  13. 2.355 km E of Adak, Alaska · 2765 days ago · 61 km deep · 74 km away
  14. 1.663 km WSW of Adak, Alaska · 2762 days ago · 9 km deep · 45 km away
  15. 1.633 km SSE of Adak, Alaska · 2762 days ago · 46 km deep · 45 km away
  16. 2.7115 km WSW of Adak, Alaska · 2762 days ago · 84 km deep · 98 km away
  17. 2.648 km SW of Adak, Alaska · 2762 days ago · 23 km deep · 37 km away
  18. 2.491 km WSW of Adak, Alaska · 2761 days ago · 91 km deep · 73 km away
  19. 2.382 km WSW of Adak, Alaska · 2761 days ago · 68 km deep · 64 km away
  20. 2.428 km SSW of Adak, Alaska · 2760 days ago · 43 km deep · 28 km away
  21. 2.678 km ESE of Adak, Alaska · 2759 days ago · 35 km deep · 96 km away
  22. 2.145 km WNW of Adak, Alaska · 2759 days ago · 70 km deep · 28 km away
  23. 1.970 km SE of Adak, Alaska · 2758 days ago · 23 km deep · 85 km away
  24. 2.249 km E of Adak, Alaska · 2758 days ago · 65 km deep · 68 km away
  25. 2.044 km SW of Adak, Alaska · 2758 days ago · 60 km deep · 34 km away
  26. 2.641 km WSW of Adak, Alaska · 2758 days ago · 78 km deep · 24 km away
  27. 3.050 km SSW of Adak, Alaska · 2758 days ago · 35 km deep · 49 km away
  28. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2757 days ago · 53 km deep · 69 km away
  29. 2.074 km WSW of Adak, Alaska · 2757 days ago · 37 km deep · 58 km away
  30. 2.693 km WSW of Adak, Alaska · 2757 days ago · 35 km deep · 76 km away
  31. 2.150 km SSE of Adak, Alaska · 2757 days ago · 37 km deep · 58 km away
  32. 1.936 km SW of Adak, Alaska · 2756 days ago · 40 km deep · 26 km away
  33. 1.955 km WSW of Adak, Alaska · 2756 days ago · 23 km deep · 39 km away
  34. 2.068 km SE of Adak, Alaska · 2755 days ago · 44 km deep · 84 km away
  35. 2.0Andreanof Islands, Aleutian Islands, Alaska · 2752 days ago · 48 km deep · 44 km away
  36. 2.346 km SSE of Adak, Alaska · 2752 days ago · 48 km deep · 56 km away
  37. 1.967 km S of Adak, Alaska · 2751 days ago · 21 km deep · 70 km away
  38. 2.9100 km SW of Adak, Alaska · 2750 days ago · 35 km deep · 86 km away
  39. 1.8111 km WSW of Adak, Alaska · 2750 days ago · 20 km deep · 94 km away
  40. 3.835 km S of Adak, Alaska · 2749 days ago · 49 km deep · 39 km away
  41. 2.854 km NE of Adak, Alaska · 2749 days ago · 178 km deep · 69 km away
  42. 2.268 km SE of Adak, Alaska · 2748 days ago · 31 km deep · 82 km away
  43. 2.845 km ENE of Adak, Alaska · 2748 days ago · 138 km deep · 62 km away
  44. 1.9110 km WSW of Adak, Alaska · 2745 days ago · 36 km deep · 92 km away
  45. 3.256 km WSW of Adak, Alaska · 2744 days ago · 28 km deep · 41 km away
  46. 4.747 km SE of Adak, Alaska · 2744 days ago · 49 km deep · 62 km away
  47. 2.961 km SW of Adak, Alaska · 2742 days ago · 29 km deep · 47 km away
  48. 2.166 km SW of Adak, Alaska · 2742 days ago · 29 km deep · 53 km away
  49. 1.592 km W of Adak, Alaska · 2742 days ago · 13 km deep · 74 km away
  50. 2.775 km WSW of Adak, Alaska · 2739 days ago · 92 km deep · 57 km away
  51. 2.788 km NNE of Adak, Alaska · 2739 days ago · 133 km deep · 98 km away
  52. 2.444 km E of Adak, Alaska · 2739 days ago · 72 km deep · 63 km away
  53. 2.350 km ESE of Adak, Alaska · 2739 days ago · 54 km deep · 67 km away
  54. 2.886 km WSW of Adak, Alaska · 2738 days ago · 37 km deep · 69 km away
  55. 2.050 km SSE of Adak, Alaska · 2738 days ago · 39 km deep · 57 km away
  56. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2738 days ago · 27 km deep · 68 km away
  57. 2.370 km SSE of Adak, Alaska · 2738 days ago · 19 km deep · 77 km away
  58. 2.975 km E of Adak, Alaska · 2738 days ago · 71 km deep · 93 km away
  59. 1.681 km WSW of Adak, Alaska · 2737 days ago · 37 km deep · 66 km away
  60. 1.8115 km WSW of Adak, Alaska · 2737 days ago · 13 km deep · 98 km away

The first 60 of 107.

Before

  1. 1.619 km W of Adak, Alaska · 2772 days ago · -2 km deep · 3 km away
  2. 2.632 km SW of Adak, Alaska · 2772 days ago · 62 km deep · 25 km away
  3. 2.419 km S of Adak, Alaska · 2773 days ago · 71 km deep · 29 km away
  4. 2.285 km WSW of Adak, Alaska · 2774 days ago · 67 km deep · 67 km away
  5. 2.433 km SSE of Adak, Alaska · 2774 days ago · 40 km deep · 45 km away
  6. 1.846 km SSW of Adak, Alaska · 2777 days ago · 36 km deep · 44 km away
  7. 3.064 km SSE of Adak, Alaska · 2777 days ago · 35 km deep · 72 km away
  8. 1.9111 km WSW of Adak, Alaska · 2780 days ago · 13 km deep · 94 km away
  9. 1.937 km SSW of Adak, Alaska · 2781 days ago · 47 km deep · 35 km away
  10. 1.845 km S of Adak, Alaska · 2781 days ago · 24 km deep · 46 km away
  11. 2.553 km SSW of Adak, Alaska · 2781 days ago · 35 km deep · 52 km away
  12. 1.88 km NNE of Adak, Alaska · 2781 days ago · 5 km deep · 23 km away
  13. 2.895 km W of Adak, Alaska · 2781 days ago · 106 km deep · 76 km away
  14. 4.151 km SSW of Adak, Alaska · 2781 days ago · 35 km deep · 50 km away
  15. 2.644 km SSW of Adak, Alaska · 2781 days ago · 40 km deep · 43 km away
  16. 2.653 km S of Adak, Alaska · 2781 days ago · 35 km deep · 53 km away
  17. 2.174 km ESE of Adak, Alaska · 2782 days ago · 46 km deep · 92 km away
  18. 2.496 km W of Adak, Alaska · 2782 days ago · 93 km deep · 78 km away
  19. 2.199 km SW of Adak, Alaska · 2782 days ago · 25 km deep · 88 km away
  20. 2.250 km SSW of Adak, Alaska · 2783 days ago · 26 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av61933416 (also filed as ak0192rjag7c). Read Thu, Oct 1, 2026, 6:32 PM UTC.