Alaska earthquakes

M2.6 earthquake 128 km WSW of Adak, Alaska

A magnitude 2.6 earthquake struck 128 km WSW of Adak, Alaska on Thu, Jun 20, 2024, 9:19 PM HADT (06:19 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M4.8 193 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-06-21 06:19:28 UTC
Depth
20.5 km (12.7 mi), shallow
Epicenter
51.366° N, 178.304° 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
2.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.083 · 19 stations
2.2ML, 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 5.1 km horizontally, 16.0 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
201°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 147 in the 30 days before it.

After

  1. 3.3194 km WSW of Adak, Alaska · 833 days ago · 35 km deep · 66 km away
  2. 1.5161 km WSW of Adak, Alaska · 833 days ago · 59 km deep · 38 km away
  3. 4.8193 km WSW of Adak, Alaska · 833 days ago · 35 km deep · 65 km away
  4. 1.5189 km WSW of Adak, Alaska · 833 days ago · 23 km deep · 64 km away
  5. 2.7199 km WSW of Adak, Alaska · 833 days ago · 23 km deep · 71 km away
  6. 2.0202 km WSW of Adak, Alaska · 833 days ago · 13 km deep · 75 km away
  7. 1.7131 km SW of Adak, Alaska · 833 days ago · 13 km deep · 32 km away
  8. 2.2202 km WSW of Adak, Alaska · 833 days ago · 15 km deep · 75 km away
  9. 3.0193 km WSW of Adak, Alaska · 833 days ago · 35 km deep · 65 km away
  10. 1.9144 km WSW of Adak, Alaska · 832 days ago · 7 km deep · 33 km away
  11. 1.8113 km WSW of Adak, Alaska · 832 days ago · 11 km deep · 17 km away
  12. 1.660 km WSW of Adak, Alaska · 831 days ago · 12 km deep · 71 km away
  13. 2.0187 km WSW of Adak, Alaska · 831 days ago · 23 km deep · 65 km away
  14. 2.2126 km WSW of Adak, Alaska · 831 days ago · 10 km deep · 30 km away
  15. 2.168 km SSW of Adak, Alaska · 831 days ago · 24 km deep · 95 km away
  16. 3.1197 km WSW of Adak, Alaska · 831 days ago · 25 km deep · 68 km away
  17. 1.529 km SW of Adak, Alaska · 831 days ago · 82 km deep · 100 km away
  18. 1.9146 km WSW of Adak, Alaska · 831 days ago · 23 km deep · 23 km away
  19. 2.0145 km WSW of Adak, Alaska · 830 days ago · 23 km deep · 22 km away
  20. 1.6132 km W of Adak, Alaska · 830 days ago · 11 km deep · 52 km away
  21. 2.2159 km SW of Adak, Alaska · 830 days ago · 27 km deep · 36 km away
  22. 1.5158 km WSW of Adak, Alaska · 830 days ago · 26 km deep · 30 km away
  23. 2.5130 km WSW of Adak, Alaska · 830 days ago · 20 km deep · 10 km away
  24. 1.9127 km WSW of Adak, Alaska · 829 days ago · 22 km deep · 8 km away
  25. 4.7129 km SW of Adak, Alaska · 828 days ago · 35 km deep · 21 km away
  26. 3.8135 km W of Adak, Alaska · 827 days ago · 160 km deep · 86 km away
  27. 2.2201 km W of Adak, Alaska · 827 days ago · 77 km deep · 89 km away
  28. 1.6178 km W of Adak, Alaska · 826 days ago · 12 km deep · 73 km away
  29. 1.8125 km SW of Adak, Alaska · 826 days ago · 16 km deep · 25 km away
  30. 1.8147 km WSW of Adak, Alaska · 825 days ago · 26 km deep · 20 km away
  31. 2.443 km WSW of Adak, Alaska · 825 days ago · 82 km deep · 85 km away
  32. 2.189 km WSW of Adak, Alaska · 824 days ago · 13 km deep · 40 km away
  33. 3.3195 km WSW of Adak, Alaska · 824 days ago · 67 km deep · 80 km away
  34. 1.657 km SW of Adak, Alaska · 824 days ago · 47 km deep · 79 km away
  35. 1.9119 km SW of Adak, Alaska · 824 days ago · 26 km deep · 27 km away
  36. 1.9139 km WSW of Adak, Alaska · 823 days ago · 60 km deep · 18 km away
  37. 2.1150 km W of Adak, Alaska · 823 days ago · 140 km deep · 70 km away
  38. 1.8114 km WSW of Adak, Alaska · 823 days ago · 17 km deep · 15 km away
  39. 2.8144 km W of Adak, Alaska · 823 days ago · 207 km deep · 88 km away
  40. 1.983 km W of Adak, Alaska · 822 days ago · 86 km deep · 57 km away
  41. 1.6196 km WSW of Adak, Alaska · 822 days ago · 13 km deep · 73 km away
  42. 1.952 km WNW of Adak, Alaska · 822 days ago · 115 km deep · 95 km away
  43. 2.0208 km WSW of Adak, Alaska · 822 days ago · 10 km deep · 87 km away
  44. 1.6120 km SW of Adak, Alaska · 822 days ago · 23 km deep · 27 km away
  45. 1.6130 km WSW of Adak, Alaska · 822 days ago · 34 km deep · 1 km away
  46. 1.6161 km W of Adak, Alaska · 822 days ago · 13 km deep · 58 km away
  47. 1.8115 km SW of Adak, Alaska · 822 days ago · 22 km deep · 36 km away
  48. 2.0106 km WSW of Adak, Alaska · 821 days ago · 32 km deep · 22 km away
  49. 3.8158 km WSW of Adak, Alaska · 821 days ago · 35 km deep · 36 km away
  50. 2.2160 km WSW of Adak, Alaska · 821 days ago · 26 km deep · 36 km away
  51. 2.6209 km W of Adak, Alaska · 821 days ago · 71 km deep · 94 km away
  52. 2.0102 km WSW of Adak, Alaska · 820 days ago · 69 km deep · 31 km away
  53. 1.6128 km W of Adak, Alaska · 820 days ago · 14 km deep · 42 km away
  54. 2.659 km WSW of Adak, Alaska · 818 days ago · 79 km deep · 70 km away
  55. 2.9163 km W of Adak, Alaska · 818 days ago · 197 km deep · 94 km away
  56. 2.2217 km WSW of Adak, Alaska · 818 days ago · 28 km deep · 90 km away
  57. 1.7131 km W of Adak, Alaska · 818 days ago · 9 km deep · 41 km away
  58. 1.6112 km WSW of Adak, Alaska · 817 days ago · 21 km deep · 17 km away
  59. 1.5117 km WSW of Adak, Alaska · 817 days ago · 41 km deep · 18 km away
  60. 1.8175 km W of Adak, Alaska · 817 days ago · 87 km deep · 70 km away

The first 60 of at least 199.

Before

  1. 1.7219 km WSW of Adak, Alaska · 833 days ago · 42 km deep · 94 km away
  2. 1.5192 km W of Adak, Alaska · 833 days ago · 98 km deep · 90 km away
  3. 1.7135 km SW of Adak, Alaska · 833 days ago · 20 km deep · 32 km away
  4. 1.787 km WSW of Adak, Alaska · 834 days ago · 55 km deep · 42 km away
  5. 1.7123 km WSW of Adak, Alaska · 834 days ago · 29 km deep · 7 km away
  6. 1.6118 km WSW of Adak, Alaska · 835 days ago · 13 km deep · 12 km away
  7. 1.9193 km W of Adak, Alaska · 835 days ago · 70 km deep · 84 km away
  8. 1.781 km SW of Adak, Alaska · 835 days ago · 44 km deep · 50 km away
  9. 1.6111 km WSW of Adak, Alaska · 835 days ago · 5 km deep · 21 km away
  10. 2.1143 km WSW of Adak, Alaska · 835 days ago · 53 km deep · 15 km away
  11. 1.6122 km W of Adak, Alaska · 835 days ago · 15 km deep · 48 km away
  12. 1.8124 km SW of Adak, Alaska · 835 days ago · 21 km deep · 30 km away
  13. 2.084 km WNW of Adak, Alaska · 835 days ago · 118 km deep · 81 km away
  14. 2.7119 km SW of Adak, Alaska · 835 days ago · 35 km deep · 24 km away
  15. 1.688 km WSW of Adak, Alaska · 836 days ago · 28 km deep · 41 km away
  16. 1.9207 km WSW of Adak, Alaska · 836 days ago · 57 km deep · 87 km away
  17. 2.1104 km WSW of Adak, Alaska · 836 days ago · 58 km deep · 25 km away
  18. 1.6127 km WSW of Adak, Alaska · 836 days ago · 26 km deep · 7 km away
  19. 2.5174 km WSW of Adak, Alaska · 836 days ago · 10 km deep · 60 km away
  20. 1.5111 km WSW of Adak, Alaska · 837 days ago · 13 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000nhh5 (also filed as ak0247y7nru5). Read Fri, Oct 2, 2026, 9:16 AM UTC.