Alaska earthquakes

M2.6 earthquake 70 km NNE of Chignik, Alaska

A magnitude 2.6 earthquake struck 70 km NNE of Chignik, Alaska on Thu, Jul 27, 2023, 9:50 AM AKDT (17:50 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M3.2 102 km ENE 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
2.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-07-27 17:50:30 UTC
Depth
3.9 km (2.4 mi), shallow
Epicenter
56.900° N, 158.097° 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)Alaska Earthquake CenterPreferred · Preliminary
2.8ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.066 · 30 stations
2.83ML, local (Richter)AVFinal · ±0.230852163444904 · 10 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
53

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.843 km ESE of Ugashik, Alaska · 1160 days ago · 109 km deep · 99 km away
  2. 3.2102 km ENE of Chignik, Alaska · 1158 days ago · 30 km deep · 88 km away
  3. 1.547 km NE of Chignik, Alaska · 1158 days ago · 85 km deep · 32 km away
  4. 2.315 km NE of Chignik, Alaska · 1152 days ago · 77 km deep · 58 km away
  5. 2.838 km SSW of Ugashik, Alaska · 1151 days ago · 118 km deep · 44 km away
  6. 2.150 km ESE of Chignik, Alaska · 1149 days ago · 16 km deep · 93 km away
  7. 1.840 km SSE of Ugashik, Alaska · 1145 days ago · 100 km deep · 65 km away
  8. 1.671 km NNE of Chignik, Alaska · 1145 days ago · 4 km deep · 2 km away
  9. 1.944 km SE of Ugashik, Alaska · 1145 days ago · 89 km deep · 83 km away
  10. 1.763 km NE of Chignik, Alaska · 1145 days ago · 89 km deep · 23 km away
  11. 1.573 km SSW of Ugashik, Alaska · 1144 days ago · -3 km deep · 8 km away
  12. 2.2107 km SSE of Ugashik, Alaska · 1143 days ago · 1 km deep · 92 km away
  13. 2.383 km SSE of Ugashik, Alaska · 1143 days ago · 89 km deep · 69 km away
  14. 1.670 km NNE of Chignik, Alaska · 1143 days ago · -2 km deep · 5 km away
  15. 1.828 km SSE of Chignik, Alaska · 1142 days ago · 62 km deep · 91 km away
  16. 2.261 km SSW of Pilot Point, Alaska · 1141 days ago · 115 km deep · 19 km away
  17. 2.6Alaska Peninsula · 1141 days ago · 72 km deep · 42 km away
  18. 1.940 km WNW of Chignik Lake, Alaska · 1140 days ago · 134 km deep · 90 km away
  19. 1.668 km SSE of Ugashik, Alaska · 1139 days ago · 79 km deep · 72 km away
  20. 1.959 km NNE of Chignik Lagoon, Alaska · 1132 days ago · 19 km deep · 17 km away
  21. 2.467 km E of Chignik, Alaska · 1127 days ago · 51 km deep · 76 km away
  22. 2.2101 km E of Chignik, Alaska · 1126 days ago · 65 km deep · 92 km away
  23. 2.8105 km SSE of Ugashik, Alaska · 1122 days ago · 62 km deep · 88 km away
  24. 2.762 km E of Chignik, Alaska · 1117 days ago · 46 km deep · 79 km away
  25. 1.864 km SSW of Ugashik, Alaska · 1116 days ago · 2 km deep · 29 km away
  26. 2.0Alaska Peninsula · 1114 days ago · 121 km deep · 82 km away
  27. 1.661 km SE of Ugashik, Alaska · 1111 days ago · 8 km deep · 98 km away
  28. 2.6Alaska Peninsula · 1108 days ago · 116 km deep · 8 km away
  29. 2.113 km E of Ugashik, Alaska · 1107 days ago · 108 km deep · 86 km away
  30. 1.613 km NE of Chignik, Alaska · 1105 days ago · 88 km deep · 58 km away
  31. 1.754 km E of Chignik, Alaska · 1105 days ago · 20 km deep · 84 km away

Before

  1. 1.956 km S of Ugashik, Alaska · 1165 days ago · 8 km deep · 40 km away
  2. 1.751 km NNW of Chignik Lagoon, Alaska · 1166 days ago · 104 km deep · 43 km away
  3. 1.736 km ESE of Chignik, Alaska · 1170 days ago · 53 km deep · 87 km away
  4. 1.680 km SE of Ugashik, Alaska · 1171 days ago · 82 km deep · 94 km away
  5. 2.010 km S of Chignik Lagoon, Alaska · 1171 days ago · 87 km deep · 81 km away
  6. 2.661 km SSW of Ugashik, Alaska · 1173 days ago · 100 km deep · 26 km away
  7. 2.964 km NNE of Chignik, Alaska · 1174 days ago · 3 km deep · 10 km away
  8. 1.536 km SE of Chignik, Alaska · 1176 days ago · 4 km deep · 95 km away
  9. 1.576 km ENE of Chignik, Alaska · 1177 days ago · 36 km deep · 75 km away
  10. 1.746 km SE of Ugashik, Alaska · 1179 days ago · 4 km deep · 76 km away
  11. 2.121 km N of Chignik Lagoon, Alaska · 1184 days ago · 90 km deep · 51 km away
  12. 2.492 km SSE of Ugashik, Alaska · 1184 days ago · 79 km deep · 93 km away
  13. 2.093 km ENE of Chignik, Alaska · 1188 days ago · 32 km deep · 78 km away
  14. 1.938 km SE of Chignik, Alaska · 1190 days ago · 41 km deep · 90 km away
  15. 1.747 km SE of Ugashik, Alaska · 1191 days ago · 89 km deep · 84 km away
  16. 1.977 km SSE of Ugashik, Alaska · 1191 days ago · 75 km deep · 71 km away
  17. 2.026 km S of Ugashik, Alaska · 1192 days ago · 107 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0239ka7c7j (also filed as av91111838, us6000kvyk). Read Sat, Oct 3, 2026, 7:44 AM UTC.