Alaska earthquakes

M2.9 earthquake 64 km NNE of Chignik, Alaska

A magnitude 2.9 earthquake struck 64 km NNE of Chignik, Alaska on Mon, Jul 17, 2023, 1:06 AM AKDT (09:06 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.6 107 km E of Chignik, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-07-17 09:06:07 UTC
Depth
2.6 km (1.6 mi), shallow
Epicenter
56.827° N, 158.005° 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)Alaska Earthquake CenterPreferred · Preliminary
3.1ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.062 · 34 stations
2.99ML, local (Richter)AVFinal · ±0.109198009821378 · 17 stations

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
68

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 42 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 2.661 km SSW of Ugashik, Alaska · 1171 days ago · 100 km deep · 26 km away
  2. 2.010 km S of Chignik Lagoon, Alaska · 1169 days ago · 87 km deep · 76 km away
  3. 1.680 km SE of Ugashik, Alaska · 1169 days ago · 82 km deep · 90 km away
  4. 1.736 km ESE of Chignik, Alaska · 1168 days ago · 53 km deep · 78 km away
  5. 1.751 km NNW of Chignik Lagoon, Alaska · 1165 days ago · 104 km deep · 46 km away
  6. 1.956 km S of Ugashik, Alaska · 1163 days ago · 8 km deep · 38 km away
  7. 2.670 km NNE of Chignik, Alaska · 1162 days ago · 4 km deep · 10 km away
  8. 2.9122 km SSE of Ugashik, Alaska · 1160 days ago · 53 km deep · 99 km away
  9. 1.843 km ESE of Ugashik, Alaska · 1158 days ago · 109 km deep · 99 km away
  10. 3.2102 km ENE of Chignik, Alaska · 1157 days ago · 30 km deep · 80 km away
  11. 2.8Alaska Peninsula · 1157 days ago · 51 km deep · 97 km away
  12. 1.547 km NE of Chignik, Alaska · 1156 days ago · 85 km deep · 22 km away
  13. 1.819 km SSW of Chignik Lake, Alaska · 1151 days ago · 104 km deep · 98 km away
  14. 2.315 km NE of Chignik, Alaska · 1150 days ago · 77 km deep · 51 km away
  15. 2.838 km SSW of Ugashik, Alaska · 1149 days ago · 118 km deep · 47 km away
  16. 2.150 km ESE of Chignik, Alaska · 1147 days ago · 16 km deep · 83 km away
  17. 1.840 km SSE of Ugashik, Alaska · 1144 days ago · 100 km deep · 64 km away
  18. 1.671 km NNE of Chignik, Alaska · 1144 days ago · 4 km deep · 10 km away
  19. 1.944 km SE of Ugashik, Alaska · 1143 days ago · 89 km deep · 83 km away
  20. 1.763 km NE of Chignik, Alaska · 1143 days ago · 89 km deep · 13 km away
  21. 1.573 km SSW of Ugashik, Alaska · 1143 days ago · -3 km deep · 12 km away
  22. 2.2107 km SSE of Ugashik, Alaska · 1141 days ago · 1 km deep · 85 km away
  23. 2.383 km SSE of Ugashik, Alaska · 1141 days ago · 89 km deep · 63 km away
  24. 1.670 km NNE of Chignik, Alaska · 1141 days ago · -2 km deep · 7 km away
  25. 1.828 km SSE of Chignik, Alaska · 1141 days ago · 62 km deep · 84 km away
  26. 2.261 km SSW of Pilot Point, Alaska · 1139 days ago · 115 km deep · 27 km away
  27. 2.6Alaska Peninsula · 1139 days ago · 72 km deep · 33 km away
  28. 2.0115 km ENE of Chignik, Alaska · 1138 days ago · 47 km deep · 92 km away · felt by 1
  29. 1.940 km WNW of Chignik Lake, Alaska · 1138 days ago · 134 km deep · 91 km away
  30. 1.668 km SSE of Ugashik, Alaska · 1137 days ago · 79 km deep · 68 km away
  31. 1.959 km NNE of Chignik Lagoon, Alaska · 1131 days ago · 19 km deep · 21 km away
  32. 2.538 km S of Chignik, Alaska · 1130 days ago · 57 km deep · 100 km away
  33. 2.299 km E of Chignik, Alaska · 1130 days ago · 3 km deep · 96 km away
  34. 3.6107 km E of Chignik, Alaska · 1130 days ago · 7 km deep · 93 km away
  35. 2.467 km E of Chignik, Alaska · 1126 days ago · 51 km deep · 67 km away
  36. 2.2101 km E of Chignik, Alaska · 1124 days ago · 65 km deep · 84 km away
  37. 2.073 km SE of Ugashik, Alaska · 1123 days ago · 4 km deep · 100 km away
  38. 2.8105 km SSE of Ugashik, Alaska · 1121 days ago · 62 km deep · 80 km away
  39. 2.174 km ESE of Chignik, Alaska · 1116 days ago · 15 km deep · 95 km away
  40. 2.762 km E of Chignik, Alaska · 1115 days ago · 46 km deep · 69 km away
  41. 1.864 km SSW of Ugashik, Alaska · 1114 days ago · 2 km deep · 26 km away
  42. 2.0Alaska Peninsula · 1112 days ago · 121 km deep · 84 km away

Before

  1. 2.6112 km SSE of Ugashik, Alaska · 1174 days ago · 47 km deep · 98 km away
  2. 1.536 km SE of Chignik, Alaska · 1174 days ago · 4 km deep · 86 km away
  3. 1.576 km ENE of Chignik, Alaska · 1175 days ago · 36 km deep · 65 km away
  4. 1.998 km E of Chignik, Alaska · 1176 days ago · 8 km deep · 93 km away
  5. 1.746 km SE of Ugashik, Alaska · 1177 days ago · 4 km deep · 75 km away
  6. 2.121 km N of Chignik Lagoon, Alaska · 1182 days ago · 90 km deep · 47 km away
  7. 2.492 km SSE of Ugashik, Alaska · 1183 days ago · 79 km deep · 87 km away
  8. 2.0Alaska Peninsula · 1185 days ago · 8 km deep · 99 km away
  9. 2.1110 km E of Chignik, Alaska · 1186 days ago · 7 km deep · 100 km away
  10. 2.093 km ENE of Chignik, Alaska · 1186 days ago · 32 km deep · 70 km away
  11. 1.938 km SE of Chignik, Alaska · 1189 days ago · 41 km deep · 81 km away
  12. 1.747 km SE of Ugashik, Alaska · 1189 days ago · 89 km deep · 83 km away
  13. 1.977 km SSE of Ugashik, Alaska · 1189 days ago · 75 km deep · 65 km away
  14. 2.026 km S of Ugashik, Alaska · 1191 days ago · 107 km deep · 65 km away
  15. 2.196 km SSE of Ugashik, Alaska · 1192 days ago · 68 km deep · 74 km away
  16. 2.396 km ENE of Chignik, Alaska · 1195 days ago · 84 km deep · 72 km away
  17. 1.785 km S of Ugashik, Alaska · 1197 days ago · 77 km deep · 54 km away
  18. 2.040 km SE of Chignik, Alaska · 1197 days ago · 42 km deep · 90 km away
  19. 1.7100 km SSE of Ugashik, Alaska · 1199 days ago · 69 km deep · 87 km away
  20. 1.754 km S of Ugashik, Alaska · 1200 days ago · 103 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02393lsx4d (also filed as av91967346, us7000kgbd). Read Thu, Oct 1, 2026, 6:06 PM UTC.