Alaska earthquakes

M2.9 earthquake 61 km SW of Adak, Alaska

A magnitude 2.9 earthquake struck 61 km SW of Adak, Alaska on Fri, Mar 29, 2019, 10:36 PM HADT (07:36 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M6.0 127 km WSW of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-03-30 07:36:11 UTC
Depth
29.2 km (18.1 mi), shallow
Epicenter
51.548° N, 177.349° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.9ML, 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 4.2 km horizontally, 10.6 km in depth
Depth from
From location
Station coverage gap
217°, poorly surrounded by stations
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 82 in the 30 days before it.

After

  1. 2.166 km SW of Adak, Alaska · 2742 days ago · 29 km deep · 7 km away
  2. 1.592 km W of Adak, Alaska · 2742 days ago · 13 km deep · 47 km away
  3. 2.3Andreanof Islands, Aleutian Islands, Alaska · 2741 days ago · 26 km deep · 75 km away
  4. 2.775 km WSW of Adak, Alaska · 2739 days ago · 92 km deep · 31 km away
  5. 2.444 km E of Adak, Alaska · 2739 days ago · 72 km deep · 100 km away
  6. 2.350 km ESE of Adak, Alaska · 2739 days ago · 54 km deep · 93 km away
  7. 2.886 km WSW of Adak, Alaska · 2739 days ago · 37 km deep · 29 km away
  8. 2.050 km SSE of Adak, Alaska · 2738 days ago · 39 km deep · 61 km away
  9. 2.1Andreanof Islands, Aleutian Islands, Alaska · 2738 days ago · 27 km deep · 31 km away
  10. 2.370 km SSE of Adak, Alaska · 2738 days ago · 19 km deep · 75 km away
  11. 2.1120 km WSW of Adak, Alaska · 2738 days ago · 39 km deep · 63 km away
  12. 1.681 km WSW of Adak, Alaska · 2737 days ago · 37 km deep · 21 km away
  13. 1.8115 km WSW of Adak, Alaska · 2737 days ago · 13 km deep · 58 km away
  14. 1.9119 km WSW of Adak, Alaska · 2737 days ago · 61 km deep · 59 km away
  15. 2.5130 km WSW of Adak, Alaska · 2736 days ago · 36 km deep · 71 km away
  16. 2.0129 km WSW of Adak, Alaska · 2736 days ago · 56 km deep · 70 km away
  17. 1.9Andreanof Islands, Aleutian Islands, Alaska · 2736 days ago · 40 km deep · 23 km away
  18. 2.793 km SSE of Adak, Alaska · 2735 days ago · 26 km deep · 90 km away
  19. 1.9125 km WSW of Adak, Alaska · 2735 days ago · 59 km deep · 69 km away
  20. 1.725 km ESE of Adak, Alaska · 2734 days ago · 70 km deep · 79 km away
  21. 2.0147 km WSW of Adak, Alaska · 2734 days ago · 56 km deep · 90 km away
  22. 1.928 km SSE of Adak, Alaska · 2733 days ago · 71 km deep · 59 km away
  23. 2.849 km SSE of Adak, Alaska · 2733 days ago · 35 km deep · 77 km away
  24. 2.342 km WSW of Adak, Alaska · 2732 days ago · 67 km deep · 25 km away
  25. 1.9126 km W of Adak, Alaska · 2731 days ago · 13 km deep · 76 km away
  26. 2.1123 km WSW of Adak, Alaska · 2731 days ago · 9 km deep · 71 km away
  27. 2.160 km SSW of Adak, Alaska · 2730 days ago · 50 km deep · 23 km away
  28. 1.6117 km WSW of Adak, Alaska · 2730 days ago · 53 km deep · 60 km away
  29. 2.658 km SW of Adak, Alaska · 2729 days ago · 41 km deep · 15 km away
  30. 2.3122 km WSW of Adak, Alaska · 2729 days ago · 74 km deep · 63 km away
  31. 2.4141 km WSW of Adak, Alaska · 2729 days ago · 50 km deep · 83 km away
  32. 1.574 km W of Adak, Alaska · 2729 days ago · 5 km deep · 44 km away
  33. 2.891 km WSW of Adak, Alaska · 2729 days ago · 63 km deep · 39 km away
  34. 2.2127 km WSW of Adak, Alaska · 2729 days ago · 57 km deep · 70 km away
  35. 2.167 km SW of Adak, Alaska · 2729 days ago · 44 km deep · 6 km away
  36. 2.028 km SE of Adak, Alaska · 2729 days ago · 73 km deep · 67 km away
  37. 2.7143 km WSW of Adak, Alaska · 2729 days ago · 85 km deep · 90 km away
  38. 1.8128 km W of Adak, Alaska · 2728 days ago · 15 km deep · 82 km away
  39. 2.3121 km SW of Adak, Alaska · 2727 days ago · 50 km deep · 60 km away
  40. 1.5126 km W of Adak, Alaska · 2727 days ago · 7 km deep · 81 km away
  41. 2.234 km WSW of Adak, Alaska · 2726 days ago · 68 km deep · 27 km away
  42. 1.742 km SW of Adak, Alaska · 2726 days ago · 38 km deep · 19 km away
  43. 2.0122 km WSW of Adak, Alaska · 2724 days ago · 29 km deep · 67 km away
  44. 2.5128 km WSW of Adak, Alaska · 2724 days ago · 46 km deep · 70 km away
  45. 4.1142 km WSW of Adak, Alaska · 2724 days ago · 35 km deep · 81 km away
  46. 2.8Andreanof Islands, Aleutian Islands, Alaska · 2724 days ago · 38 km deep · 59 km away
  47. 1.6127 km W of Adak, Alaska · 2724 days ago · 12 km deep · 81 km away
  48. 1.7128 km W of Adak, Alaska · 2723 days ago · 18 km deep · 82 km away
  49. 1.8116 km WSW of Adak, Alaska · 2723 days ago · 52 km deep · 65 km away
  50. 2.168 km WSW of Adak, Alaska · 2722 days ago · 43 km deep · 8 km away
  51. 2.27 km N of Adak, Alaska · 2722 days ago · 144 km deep · 66 km away
  52. 1.815 km SE of Adak, Alaska · 2722 days ago · 58 km deep · 65 km away
  53. 2.161 km SSW of Adak, Alaska · 2722 days ago · 52 km deep · 25 km away
  54. 1.9138 km WSW of Adak, Alaska · 2722 days ago · 66 km deep · 82 km away
  55. 1.9128 km W of Adak, Alaska · 2722 days ago · 23 km deep · 81 km away
  56. 1.580 km WSW of Adak, Alaska · 2721 days ago · 48 km deep · 21 km away
  57. 2.028 km ESE of Adak, Alaska · 2721 days ago · 85 km deep · 78 km away
  58. 2.3123 km WSW of Adak, Alaska · 2721 days ago · 72 km deep · 64 km away
  59. 2.255 km SSE of Adak, Alaska · 2721 days ago · 16 km deep · 78 km away
  60. 5.0124 km WSW of Adak, Alaska · 2721 days ago · 53 km deep · 67 km away

The first 60 of at least 199.

Before

  1. 3.7140 km SW of Adak, Alaska · 2743 days ago · 50 km deep · 79 km away
  2. 4.747 km SE of Adak, Alaska · 2744 days ago · 49 km deep · 82 km away
  3. 3.256 km WSW of Adak, Alaska · 2744 days ago · 28 km deep · 9 km away
  4. 1.8125 km WSW of Adak, Alaska · 2745 days ago · 13 km deep · 74 km away
  5. 1.9110 km WSW of Adak, Alaska · 2745 days ago · 36 km deep · 58 km away
  6. 2.8133 km WSW of Adak, Alaska · 2745 days ago · 35 km deep · 73 km away
  7. 2.2129 km W of Adak, Alaska · 2747 days ago · 23 km deep · 84 km away
  8. 2.2126 km WSW of Adak, Alaska · 2748 days ago · 52 km deep · 68 km away
  9. 2.268 km SE of Adak, Alaska · 2748 days ago · 31 km deep · 94 km away
  10. 1.8128 km W of Adak, Alaska · 2748 days ago · 23 km deep · 82 km away
  11. 2.4125 km WSW of Adak, Alaska · 2748 days ago · 44 km deep · 66 km away
  12. 3.835 km S of Adak, Alaska · 2749 days ago · 49 km deep · 48 km away
  13. 2.9132 km WSW of Adak, Alaska · 2750 days ago · 26 km deep · 76 km away
  14. 2.6136 km WSW of Adak, Alaska · 2750 days ago · 35 km deep · 76 km away
  15. 2.1125 km WSW of Adak, Alaska · 2750 days ago · 29 km deep · 66 km away
  16. 1.8111 km WSW of Adak, Alaska · 2750 days ago · 20 km deep · 58 km away
  17. 3.0132 km WSW of Adak, Alaska · 2750 days ago · 35 km deep · 72 km away
  18. 4.8130 km WSW of Adak, Alaska · 2750 days ago · 57 km deep · 72 km away
  19. 2.9100 km SW of Adak, Alaska · 2750 days ago · 35 km deep · 39 km away
  20. 2.6128 km WSW of Adak, Alaska · 2750 days ago · 35 km deep · 70 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70003ca1 (also filed as ak01943b7nob). Read Thu, Oct 1, 2026, 8:09 PM UTC.