Alaska earthquakes

M2.8 earthquake 67 km NE of Adak, Alaska

A magnitude 2.8 earthquake struck 67 km NE of Adak, Alaska on Mon, Aug 14, 2023, 4:51 AM HADT (13:51 UTC), 199 km (123 mi) below the surface.

A larger quake followed: M5.0 44 km SSE 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-08-14 13:51:39 UTC
Depth
198.5 km (123.4 mi), intermediate-depth
Epicenter
52.328° N, 175.975° 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
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.105 · 12 stations
2.5ML, 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 12.6 km horizontally, 6.8 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
174°
Stations used
25

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 64 in the 30 days before it.

After

  1. 1.552 km WSW of Atka, Alaska · 1144 days ago · 13 km deep · 76 km away
  2. 2.646 km SSE of Adak, Alaska · 1143 days ago · 37 km deep · 99 km away
  3. 2.175 km ESE of Adak, Alaska · 1142 days ago · 25 km deep · 88 km away
  4. 2.545 km NW of Atka, Alaska · 1142 days ago · 178 km deep · 91 km away
  5. 1.771 km SW of Atka, Alaska · 1142 days ago · 26 km deep · 98 km away
  6. 1.562 km ESE of Adak, Alaska · 1140 days ago · 59 km deep · 70 km away
  7. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1140 days ago · 25 km deep · 95 km away
  8. 3.669 km SE of Adak, Alaska · 1140 days ago · 35 km deep · 95 km away
  9. 1.6Andreanof Islands, Aleutian Islands, Alaska · 1140 days ago · 14 km deep · 99 km away
  10. 2.458 km E of Adak, Alaska · 1139 days ago · 196 km deep · 55 km away
  11. 1.978 km ESE of Adak, Alaska · 1139 days ago · 26 km deep · 95 km away
  12. 4.186 km NE of Adak, Alaska · 1139 days ago · 172 km deep · 19 km away
  13. 3.7Andreanof Islands, Aleutian Islands, Alaska · 1139 days ago · 35 km deep · 98 km away
  14. 2.860 km SE of Adak, Alaska · 1138 days ago · 35 km deep · 92 km away
  15. 1.652 km SE of Adak, Alaska · 1138 days ago · 24 km deep · 94 km away
  16. 1.654 km SSE of Adak, Alaska · 1138 days ago · 29 km deep · 99 km away
  17. 2.063 km SW of Atka, Alaska · 1137 days ago · 52 km deep · 92 km away
  18. 2.979 km NNW of Atka, Alaska · 1137 days ago · 153 km deep · 93 km away
  19. 2.076 km W of Atka, Alaska · 1137 days ago · 98 km deep · 48 km away
  20. 1.862 km SE of Adak, Alaska · 1136 days ago · 26 km deep · 93 km away
  21. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1135 days ago · 26 km deep · 93 km away
  22. 1.682 km WSW of Atka, Alaska · 1135 days ago · 67 km deep · 60 km away
  23. 1.759 km SE of Adak, Alaska · 1135 days ago · 26 km deep · 92 km away
  24. 1.625 km S of Adak, Alaska · 1135 days ago · 68 km deep · 88 km away
  25. 1.626 km NNE of Adak, Alaska · 1135 days ago · 101 km deep · 43 km away
  26. 2.037 km ESE of Adak, Alaska · 1133 days ago · 62 km deep · 66 km away
  27. 1.858 km ENE of Adak, Alaska · 1132 days ago · 93 km deep · 40 km away
  28. 2.760 km SE of Adak, Alaska · 1132 days ago · 35 km deep · 93 km away
  29. 1.883 km ESE of Adak, Alaska · 1132 days ago · 24 km deep · 86 km away
  30. 1.848 km SE of Adak, Alaska · 1132 days ago · 24 km deep · 91 km away
  31. 2.858 km SE of Adak, Alaska · 1132 days ago · 35 km deep · 89 km away
  32. 1.638 km SSE of Adak, Alaska · 1131 days ago · 34 km deep · 90 km away
  33. 1.842 km SSE of Adak, Alaska · 1131 days ago · 46 km deep · 91 km away
  34. 2.169 km ESE of Adak, Alaska · 1130 days ago · 24 km deep · 87 km away
  35. 1.751 km SE of Adak, Alaska · 1130 days ago · 24 km deep · 91 km away
  36. 2.718 km S of Adak, Alaska · 1130 days ago · 82 km deep · 82 km away
  37. 3.457 km SE of Adak, Alaska · 1129 days ago · 35 km deep · 92 km away
  38. 1.861 km SE of Adak, Alaska · 1129 days ago · 29 km deep · 94 km away
  39. 2.989 km NW of Atka, Alaska · 1128 days ago · 10 km deep · 83 km away
  40. 1.532 km SSW of Adak, Alaska · 1126 days ago · 41 km deep · 98 km away
  41. 2.655 km SE of Adak, Alaska · 1125 days ago · 35 km deep · 89 km away
  42. 2.144 km E of Adak, Alaska · 1125 days ago · 70 km deep · 53 km away
  43. 1.738 km SE of Adak, Alaska · 1122 days ago · 87 km deep · 83 km away
  44. 1.979 km ESE of Adak, Alaska · 1122 days ago · 26 km deep · 95 km away
  45. 1.973 km ESE of Adak, Alaska · 1122 days ago · 34 km deep · 83 km away
  46. 2.053 km NE of Adak, Alaska · 1121 days ago · 132 km deep · 15 km away
  47. 1.524 km SSW of Adak, Alaska · 1120 days ago · 65 km deep · 92 km away
  48. 1.719 km WSW of Adak, Alaska · 1120 days ago · 77 km deep · 85 km away
  49. 2.082 km W of Atka, Alaska · 1120 days ago · 107 km deep · 46 km away
  50. 2.935 km WNW of Atka, Alaska · 1120 days ago · 202 km deep · 87 km away
  51. 1.621 km S of Adak, Alaska · 1119 days ago · 65 km deep · 87 km away
  52. 2.622 km ESE of Adak, Alaska · 1119 days ago · 68 km deep · 68 km away
  53. 1.751 km SE of Adak, Alaska · 1119 days ago · 31 km deep · 92 km away
  54. 1.828 km SSE of Adak, Alaska · 1119 days ago · 46 km deep · 83 km away
  55. 2.779 km ESE of Adak, Alaska · 1118 days ago · 35 km deep · 91 km away
  56. 3.543 km E of Adak, Alaska · 1118 days ago · 80 km deep · 55 km away
  57. 1.938 km ESE of Adak, Alaska · 1118 days ago · 72 km deep · 66 km away
  58. 1.661 km SE of Adak, Alaska · 1116 days ago · 23 km deep · 100 km away
  59. 1.829 km SW of Adak, Alaska · 1115 days ago · 2 km deep · 97 km away
  60. 2.215 km ESE of Adak, Alaska · 1115 days ago · 101 km deep · 64 km away

The first 60 of 107.

Before

  1. 1.559 km SE of Adak, Alaska · 1144 days ago · 25 km deep · 91 km away
  2. 3.488 km ESE of Adak, Alaska · 1145 days ago · 35 km deep · 91 km away
  3. 1.614 km E of Adak, Alaska · 1145 days ago · 113 km deep · 59 km away
  4. 2.842 km WSW of Atka, Alaska · 1146 days ago · 90 km deep · 84 km away
  5. 1.981 km WSW of Atka, Alaska · 1146 days ago · 70 km deep · 60 km away
  6. 2.768 km ENE of Adak, Alaska · 1146 days ago · 216 km deep · 38 km away
  7. 1.659 km SE of Adak, Alaska · 1147 days ago · 26 km deep · 90 km away
  8. 1.779 km WSW of Atka, Alaska · 1147 days ago · 35 km deep · 73 km away
  9. 1.7Andreanof Islands, Aleutian Islands, Alaska · 1147 days ago · 72 km deep · 53 km away
  10. 3.156 km SW of Atka, Alaska · 1147 days ago · 19 km deep · 98 km away
  11. 2.812 km S of Adak, Alaska · 1148 days ago · 13 km deep · 76 km away
  12. 1.738 km E of Adak, Alaska · 1148 days ago · 82 km deep · 54 km away
  13. 1.5Andreanof Islands, Aleutian Islands, Alaska · 1149 days ago · 33 km deep · 89 km away
  14. 2.454 km E of Adak, Alaska · 1151 days ago · 75 km deep · 57 km away
  15. 1.877 km W of Atka, Alaska · 1151 days ago · 82 km deep · 48 km away
  16. 2.057 km SE of Adak, Alaska · 1151 days ago · 23 km deep · 93 km away
  17. 1.661 km ESE of Adak, Alaska · 1151 days ago · 35 km deep · 83 km away
  18. 1.851 km SSE of Adak, Alaska · 1152 days ago · 26 km deep · 98 km away
  19. 1.634 km SSE of Adak, Alaska · 1152 days ago · 41 km deep · 88 km away
  20. 1.738 km SSE of Adak, Alaska · 1153 days ago · 34 km deep · 90 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000krh3 (also filed as ak023adzi3ay). Read Thu, Oct 1, 2026, 7:03 PM UTC.