Alaska earthquakes

M2.8 earthquake 65 km NW of Atka, Alaska

A magnitude 2.8 earthquake struck 65 km NW of Atka, Alaska on Mon, Jul 10, 2023, 8:22 PM HADT (05:22 UTC), 219 km (136 mi) below the surface.

A larger quake followed: M4.1 86 km NE 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-07-11 05:22:45 UTC
Depth
218.6 km (135.8 mi), intermediate-depth
Epicenter
52.669° N, 174.781° 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 · ±0.085 · 18 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, 10.7 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
123°
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 84 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 2.0129 km NNW of Atka, Alaska · 1178 days ago · 11 km deep · 74 km away
  2. 3.283 km NE of Adak, Alaska · 1177 days ago · 222 km deep · 70 km away
  3. 2.651 km WNW of Atka, Alaska · 1175 days ago · 120 km deep · 32 km away
  4. 2.184 km W of Atka, Alaska · 1175 days ago · 94 km deep · 77 km away
  5. 1.613 km WSW of Atka, Alaska · 1174 days ago · 17 km deep · 64 km away
  6. 1.819 km SSW of Atka, Alaska · 1173 days ago · 71 km deep · 76 km away
  7. 1.663 km SW of Atka, Alaska · 1173 days ago · 39 km deep · 99 km away
  8. 3.336 km N of Atka, Alaska · 1171 days ago · 186 km deep · 39 km away
  9. 1.855 km SSW of Atka, Alaska · 1171 days ago · 39 km deep · 99 km away
  10. 2.632 km WNW of Atka, Alaska · 1170 days ago · 159 km deep · 39 km away
  11. 3.572 km WSW of Atka, Alaska · 1170 days ago · 79 km deep · 79 km away
  12. 2.643 km W of Atka, Alaska · 1169 days ago · 15 km deep · 60 km away
  13. 3.165 km ENE of Adak, Alaska · 1168 days ago · 157 km deep · 89 km away
  14. 3.361 km SW of Atka, Alaska · 1165 days ago · 61 km deep · 95 km away
  15. 2.956 km NE of Adak, Alaska · 1164 days ago · 188 km deep · 98 km away
  16. 3.1Andreanof Islands, Aleutian Islands, Alaska · 1164 days ago · 189 km deep · 42 km away
  17. 2.167 km WSW of Atka, Alaska · 1163 days ago · 79 km deep · 83 km away
  18. 2.3Andreanof Islands, Aleutian Islands, Alaska · 1162 days ago · 207 km deep · 78 km away
  19. 2.038 km ESE of Atka, Alaska · 1161 days ago · 19 km deep · 98 km away
  20. 2.055 km ENE of Adak, Alaska · 1161 days ago · 172 km deep · 99 km away
  21. 2.769 km NE of Adak, Alaska · 1160 days ago · 211 km deep · 84 km away
  22. 1.869 km WSW of Atka, Alaska · 1159 days ago · 51 km deep · 90 km away
  23. 2.142 km E of Atka, Alaska · 1159 days ago · 16 km deep · 100 km away
  24. 2.138 km ESE of Atka, Alaska · 1158 days ago · 16 km deep · 98 km away
  25. 2.374 km ENE of Adak, Alaska · 1158 days ago · 147 km deep · 80 km away
  26. 2.813 km SW of Atka, Alaska · 1158 days ago · 211 km deep · 69 km away
  27. 3.275 km W of Atka, Alaska · 1155 days ago · 123 km deep · 70 km away
  28. 3.050 km W of Atka, Alaska · 1155 days ago · 143 km deep · 44 km away
  29. 3.133 km NW of Atka, Alaska · 1154 days ago · 169 km deep · 33 km away
  30. 3.527 km SSE of Atka, Alaska · 1153 days ago · 59 km deep · 93 km away
  31. 1.877 km W of Atka, Alaska · 1151 days ago · 82 km deep · 70 km away
  32. 2.945 km NE of Atka, Alaska · 1150 days ago · 161 km deep · 77 km away
  33. 3.229 km NNW of Atka, Alaska · 1150 days ago · 184 km deep · 39 km away
  34. 3.156 km SW of Atka, Alaska · 1147 days ago · 19 km deep · 93 km away
  35. 2.822 km WNW of Atka, Alaska · 1147 days ago · 174 km deep · 47 km away
  36. 2.137 km ESE of Atka, Alaska · 1147 days ago · 10 km deep · 99 km away
  37. 1.831 km ESE of Atka, Alaska · 1147 days ago · 8 km deep · 96 km away
  38. 1.779 km WSW of Atka, Alaska · 1146 days ago · 35 km deep · 95 km away
  39. 1.735 km ESE of Atka, Alaska · 1146 days ago · 12 km deep · 98 km away
  40. 2.768 km ENE of Adak, Alaska · 1146 days ago · 216 km deep · 93 km away
  41. 1.981 km WSW of Atka, Alaska · 1146 days ago · 70 km deep · 87 km away
  42. 2.842 km WSW of Atka, Alaska · 1145 days ago · 90 km deep · 64 km away
  43. 3.048 km NNE of Atka, Alaska · 1145 days ago · 180 km deep · 63 km away
  44. 2.019 km WNW of Atka, Alaska · 1145 days ago · 137 km deep · 53 km away
  45. 2.137 km S of Atka, Alaska · 1145 days ago · 57 km deep · 98 km away
  46. 2.815 km ENE of Atka, Alaska · 1144 days ago · 157 km deep · 71 km away
  47. 2.867 km NE of Adak, Alaska · 1144 days ago · 199 km deep · 89 km away
  48. 1.552 km WSW of Atka, Alaska · 1144 days ago · 13 km deep · 67 km away
  49. 2.545 km NW of Atka, Alaska · 1142 days ago · 178 km deep · 22 km away
  50. 1.655 km SW of Atka, Alaska · 1140 days ago · 41 km deep · 97 km away
  51. 4.186 km NE of Adak, Alaska · 1139 days ago · 172 km deep · 74 km away
  52. 2.063 km SW of Atka, Alaska · 1137 days ago · 52 km deep · 94 km away
  53. 1.946 km SSW of Atka, Alaska · 1137 days ago · 42 km deep · 94 km away
  54. 2.979 km NNW of Atka, Alaska · 1137 days ago · 153 km deep · 15 km away
  55. 2.076 km W of Atka, Alaska · 1136 days ago · 98 km deep · 67 km away
  56. 2.034 km ESE of Atka, Alaska · 1136 days ago · 10 km deep · 97 km away
  57. 1.937 km ESE of Atka, Alaska · 1136 days ago · 10 km deep · 99 km away
  58. 1.934 km ESE of Atka, Alaska · 1136 days ago · 16 km deep · 96 km away
  59. 1.730 km ESE of Atka, Alaska · 1136 days ago · 20 km deep · 93 km away
  60. 2.138 km E of Atka, Alaska · 1136 days ago · 17 km deep · 98 km away

The first 60 of 84.

Before

  1. 1.983 km ENE of Adak, Alaska · 1179 days ago · 116 km deep · 76 km away
  2. 2.031 km SW of Atka, Alaska · 1179 days ago · 70 km deep · 79 km away
  3. 2.928 km NE of Atka, Alaska · 1179 days ago · 176 km deep · 70 km away
  4. 2.026 km ESE of Atka, Alaska · 1180 days ago · 14 km deep · 89 km away
  5. 1.784 km WSW of Atka, Alaska · 1181 days ago · 60 km deep · 99 km away
  6. 1.817 km W of Atka, Alaska · 1181 days ago · 13 km deep · 59 km away
  7. 2.011 km WSW of Atka, Alaska · 1183 days ago · 24 km deep · 64 km away
  8. 3.360 km NNW of Atka, Alaska · 1184 days ago · 163 km deep · 22 km away
  9. 3.2Andreanof Islands, Aleutian Islands, Alaska · 1187 days ago · 79 km deep · 91 km away
  10. 3.967 km N of Atka, Alaska · 1190 days ago · 228 km deep · 36 km away
  11. 3.078 km NNE of Adak, Alaska · 1190 days ago · 219 km deep · 88 km away
  12. 4.233 km NNW of Atka, Alaska · 1198 days ago · 188 km deep · 33 km away
  13. 2.153 km WSW of Atka, Alaska · 1201 days ago · 13 km deep · 68 km away
  14. 2.1Andreanof Islands, Aleutian Islands, Alaska · 1202 days ago · 51 km deep · 99 km away
  15. 1.915 km E of Atka, Alaska · 1202 days ago · 70 km deep · 75 km away
  16. 2.958 km SW of Atka, Alaska · 1202 days ago · 15 km deep · 87 km away
  17. 2.417 km S of Atka, Alaska · 1202 days ago · 4 km deep · 81 km away
  18. 2.994 km NE of Atka, Alaska · 1202 days ago · 76 km deep · 99 km away
  19. 2.69 km SW of Atka, Alaska · 1203 days ago · 154 km deep · 67 km away
  20. 1.765 km SW of Atka, Alaska · 1206 days ago · 42 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kglx (also filed as ak0238tmam4n). Read Thu, Oct 1, 2026, 9:23 AM UTC.