Alaska earthquakes

M3.3 earthquake 71 km SSW of Adak, Alaska

A magnitude 3.3 earthquake struck 71 km SSW of Adak, Alaska on Wed, Jan 16, 2019, 7:47 AM HAST (17:47 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.2 122 km WSW 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
3.3 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-01-16 17:47:24 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.283° N, 177.027° 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 3.1 km horizontally, 2.0 km in depth
Depth from
Operator assigned
Station coverage gap
247°, poorly surrounded by stations
Stations used
23

Nearby

Within 100 km, magnitude 1.5 and up: 137 in the 60 days after this one and 125 in the 30 days before it.

After

  1. 1.554 km SSE of Adak, Alaska · 2815 days ago · 7 km deep · 41 km away
  2. 2.092 km SW of Adak, Alaska · 2814 days ago · 30 km deep · 46 km away
  3. 1.6116 km WSW of Adak, Alaska · 2814 days ago · 63 km deep · 84 km away
  4. 2.2120 km WSW of Adak, Alaska · 2814 days ago · 22 km deep · 99 km away
  5. 1.7110 km WSW of Adak, Alaska · 2814 days ago · 55 km deep · 73 km away
  6. 1.892 km SW of Adak, Alaska · 2814 days ago · 29 km deep · 40 km away
  7. 2.544 km SE of Adak, Alaska · 2814 days ago · 43 km deep · 68 km away
  8. 2.634 km ESE of Adak, Alaska · 2813 days ago · 134 km deep · 83 km away
  9. 1.887 km WSW of Adak, Alaska · 2813 days ago · 13 km deep · 62 km away
  10. 2.0114 km WSW of Adak, Alaska · 2813 days ago · 29 km deep · 84 km away
  11. 2.2130 km SW of Adak, Alaska · 2811 days ago · 38 km deep · 79 km away
  12. 2.545 km SSE of Adak, Alaska · 2810 days ago · 34 km deep · 49 km away
  13. 1.944 km S of Adak, Alaska · 2810 days ago · 24 km deep · 29 km away
  14. 2.644 km SSE of Adak, Alaska · 2808 days ago · 55 km deep · 59 km away
  15. 2.364 km S of Adak, Alaska · 2808 days ago · 26 km deep · 36 km away
  16. 2.1119 km WSW of Adak, Alaska · 2808 days ago · 33 km deep · 90 km away
  17. 2.1126 km SW of Adak, Alaska · 2808 days ago · 46 km deep · 78 km away
  18. 4.169 km SSE of Adak, Alaska · 2807 days ago · 35 km deep · 56 km away
  19. 2.690 km SSE of Adak, Alaska · 2807 days ago · 21 km deep · 62 km away
  20. 2.274 km SSE of Adak, Alaska · 2807 days ago · 20 km deep · 50 km away
  21. 2.218 km S of Adak, Alaska · 2806 days ago · 65 km deep · 54 km away
  22. 2.154 km SW of Adak, Alaska · 2805 days ago · 37 km deep · 21 km away
  23. 1.853 km SW of Adak, Alaska · 2805 days ago · 40 km deep · 23 km away
  24. 1.9123 km SW of Adak, Alaska · 2805 days ago · 48 km deep · 75 km away
  25. 2.2127 km SW of Adak, Alaska · 2805 days ago · 30 km deep · 75 km away
  26. 2.20 km SSE of Adak, Alaska · 2805 days ago · 75 km deep · 71 km away
  27. 1.993 km SW of Adak, Alaska · 2805 days ago · 49 km deep · 51 km away
  28. 1.853 km SSE of Adak, Alaska · 2804 days ago · 24 km deep · 58 km away
  29. 1.737 km WSW of Adak, Alaska · 2804 days ago · 69 km deep · 58 km away
  30. 2.326 km SW of Adak, Alaska · 2803 days ago · 67 km deep · 47 km away
  31. 2.031 km S of Adak, Alaska · 2803 days ago · 52 km deep · 43 km away
  32. 2.044 km S of Adak, Alaska · 2802 days ago · 26 km deep · 36 km away
  33. 2.089 km WSW of Adak, Alaska · 2802 days ago · 10 km deep · 54 km away
  34. 2.361 km SSE of Adak, Alaska · 2802 days ago · 10 km deep · 61 km away
  35. 1.9128 km SW of Adak, Alaska · 2801 days ago · 16 km deep · 76 km away
  36. 2.2113 km WSW of Adak, Alaska · 2801 days ago · 18 km deep · 92 km away
  37. 4.5119 km WSW of Adak, Alaska · 2801 days ago · 51 km deep · 84 km away
  38. 2.4128 km WSW of Adak, Alaska · 2801 days ago · 46 km deep · 88 km away
  39. 2.577 km SSE of Adak, Alaska · 2800 days ago · 10 km deep · 60 km away
  40. 1.972 km SSW of Adak, Alaska · 2800 days ago · 24 km deep · 2 km away
  41. 1.979 km WSW of Adak, Alaska · 2799 days ago · 62 km deep · 62 km away
  42. 2.365 km SSW of Adak, Alaska · 2798 days ago · 32 km deep · 7 km away
  43. 2.1124 km SW of Adak, Alaska · 2797 days ago · 48 km deep · 77 km away
  44. 3.853 km S of Adak, Alaska · 2796 days ago · 40 km deep · 35 km away
  45. 3.860 km ESE of Adak, Alaska · 2796 days ago · 50 km deep · 93 km away · felt by 2
  46. 2.324 km SSE of Adak, Alaska · 2796 days ago · 48 km deep · 58 km away
  47. 2.460 km SSE of Adak, Alaska · 2795 days ago · 26 km deep · 53 km away
  48. 2.5Andreanof Islands, Aleutian Islands, Alaska · 2793 days ago · 69 km deep · 45 km away
  49. 2.163 km SSW of Adak, Alaska · 2793 days ago · 25 km deep · 7 km away
  50. 2.4126 km SW of Adak, Alaska · 2792 days ago · 39 km deep · 76 km away
  51. 3.3128 km WSW of Adak, Alaska · 2788 days ago · 7 km deep · 95 km away
  52. 3.7128 km WSW of Adak, Alaska · 2788 days ago · 8 km deep · 95 km away
  53. 2.9127 km WSW of Adak, Alaska · 2788 days ago · 10 km deep · 94 km away
  54. 2.5112 km WSW of Adak, Alaska · 2788 days ago · 10 km deep · 88 km away
  55. 1.8124 km WSW of Adak, Alaska · 2788 days ago · 5 km deep · 98 km away
  56. 1.947 km S of Adak, Alaska · 2788 days ago · 35 km deep · 30 km away
  57. 1.658 km SW of Adak, Alaska · 2788 days ago · 36 km deep · 19 km away
  58. 2.177 km SE of Adak, Alaska · 2788 days ago · 16 km deep · 89 km away
  59. 2.8130 km SW of Adak, Alaska · 2787 days ago · 30 km deep · 81 km away
  60. 2.452 km SE of Adak, Alaska · 2787 days ago · 57 km deep · 70 km away

The first 60 of 137.

Before

  1. 2.085 km WSW of Adak, Alaska · 2816 days ago · 41 km deep · 63 km away
  2. 2.420 km SW of Adak, Alaska · 2816 days ago · 60 km deep · 54 km away
  3. 2.2123 km SW of Adak, Alaska · 2816 days ago · 45 km deep · 76 km away
  4. 2.8Andreanof Islands, Aleutian Islands, Alaska · 2817 days ago · 35 km deep · 90 km away
  5. 2.448 km SE of Adak, Alaska · 2817 days ago · 56 km deep · 76 km away
  6. 2.234 km S of Adak, Alaska · 2817 days ago · 64 km deep · 41 km away
  7. 2.7134 km SW of Adak, Alaska · 2817 days ago · 35 km deep · 83 km away
  8. 4.520 km SW of Adak, Alaska · 2817 days ago · 65 km deep · 51 km away
  9. 1.981 km WSW of Adak, Alaska · 2817 days ago · 34 km deep · 51 km away
  10. 4.372 km W of Adak, Alaska · 2818 days ago · 86 km deep · 72 km away
  11. 1.961 km WSW of Adak, Alaska · 2819 days ago · 20 km deep · 43 km away
  12. 2.9139 km SW of Adak, Alaska · 2820 days ago · 35 km deep · 86 km away
  13. 2.944 km S of Adak, Alaska · 2820 days ago · 36 km deep · 30 km away
  14. 2.7157 km SW of Adak, Alaska · 2820 days ago · 10 km deep · 98 km away
  15. 3.0144 km S of Adak, Alaska · 2820 days ago · 10 km deep · 85 km away
  16. 2.952 km W of Adak, Alaska · 2820 days ago · 79 km deep · 70 km away
  17. 1.555 km SW of Adak, Alaska · 2820 days ago · 40 km deep · 20 km away
  18. 2.861 km WSW of Adak, Alaska · 2820 days ago · 74 km deep · 56 km away
  19. 2.170 km ESE of Adak, Alaska · 2822 days ago · 50 km deep · 100 km away
  20. 1.9116 km WSW of Adak, Alaska · 2822 days ago · 50 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000j4lm (also filed as ak019qr01sf). Read Thu, Oct 1, 2026, 8:49 PM UTC.