Alaska earthquakes

M1.8 earthquake Alaska Peninsula

A magnitude 1.8 earthquake struck in the Alaska Peninsula on Tue, Aug 1, 2023, 1:03 AM AKDT (09:03 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.9 65 km WNW of Akhiok, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-08-01 09:03:55 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
57.133° N, 156.400° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

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
43

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 125 in the 60 days after this one and 119 in the 30 days before it.

After

  1. 3.2102 km ENE of Chignik, Alaska · 1156 days ago · 30 km deep · 69 km away
  2. 1.573 km WSW of Karluk, Alaska · 1155 days ago · 89 km deep · 53 km away
  3. 1.658 km SW of Karluk, Alaska · 1155 days ago · 6 km deep · 78 km away
  4. 2.681 km W of Karluk, Alaska · 1155 days ago · 101 km deep · 69 km away
  5. 3.965 km WNW of Akhiok, Alaska · 1154 days ago · 7 km deep · 72 km away
  6. 1.6Alaska Peninsula · 1154 days ago · 33 km deep · 84 km away
  7. 1.860 km SW of Karluk, Alaska · 1154 days ago · 6 km deep · 74 km away
  8. 2.090 km ENE of Ugashik, Alaska · 1154 days ago · 7 km deep · 76 km away
  9. 1.862 km ESE of Egegik, Alaska · 1153 days ago · 145 km deep · 96 km away
  10. 1.888 km ENE of Ugashik, Alaska · 1153 days ago · 5 km deep · 76 km away
  11. 1.866 km SW of Karluk, Alaska · 1153 days ago · 2 km deep · 68 km away
  12. 2.267 km SW of Karluk, Alaska · 1152 days ago · 1 km deep · 66 km away
  13. 1.891 km WNW of Karluk, Alaska · 1152 days ago · 5 km deep · 78 km away
  14. 2.358 km W of Karluk, Alaska · 1152 days ago · 77 km deep · 80 km away
  15. 3.6Alaska Peninsula · 1152 days ago · 43 km deep · 89 km away
  16. 1.680 km ESE of Ugashik, Alaska · 1150 days ago · 1 km deep · 8 km away
  17. 1.6106 km W of Akhiok, Alaska · 1150 days ago · 2 km deep · 42 km away
  18. 2.838 km SSW of Ugashik, Alaska · 1149 days ago · 118 km deep · 72 km away
  19. 1.7Alaska Peninsula · 1149 days ago · 66 km deep · 70 km away
  20. 1.591 km WNW of Karluk, Alaska · 1148 days ago · 9 km deep · 76 km away
  21. 2.487 km W of Akhiok, Alaska · 1148 days ago · 2 km deep · 53 km away
  22. 2.064 km SW of Karluk, Alaska · 1148 days ago · 1 km deep · 71 km away
  23. 1.861 km W of Karluk, Alaska · 1146 days ago · 89 km deep · 70 km away
  24. 1.966 km SW of Karluk, Alaska · 1145 days ago · 3 km deep · 68 km away
  25. 1.956 km WNW of Akhiok, Alaska · 1145 days ago · 49 km deep · 83 km away
  26. 2.4114 km E of Chignik, Alaska · 1144 days ago · 11 km deep · 91 km away
  27. 1.571 km ESE of Ugashik, Alaska · 1144 days ago · 3 km deep · 13 km away
  28. 1.840 km SSE of Ugashik, Alaska · 1143 days ago · 100 km deep · 45 km away
  29. 1.944 km SE of Ugashik, Alaska · 1143 days ago · 89 km deep · 30 km away
  30. 1.763 km NE of Chignik, Alaska · 1143 days ago · 89 km deep · 95 km away
  31. 1.573 km SSW of Ugashik, Alaska · 1142 days ago · -3 km deep · 99 km away
  32. 1.551 km W of Karluk, Alaska · 1142 days ago · 6 km deep · 78 km away
  33. 2.2Alaska Peninsula · 1141 days ago · 82 km deep · 32 km away
  34. 2.2107 km SSE of Ugashik, Alaska · 1141 days ago · 1 km deep · 57 km away
  35. 2.383 km SSE of Ugashik, Alaska · 1141 days ago · 89 km deep · 51 km away
  36. 2.693 km W of Akhiok, Alaska · 1140 days ago · 56 km deep · 47 km away
  37. 1.8127 km E of Chignik, Alaska · 1140 days ago · 29 km deep · 82 km away
  38. 1.975 km SE of Ugashik, Alaska · 1139 days ago · 2 km deep · 3 km away
  39. 1.968 km SW of Karluk, Alaska · 1139 days ago · 60 km deep · 62 km away
  40. 2.261 km SSW of Pilot Point, Alaska · 1139 days ago · 115 km deep · 100 km away
  41. 1.961 km SW of Karluk, Alaska · 1139 days ago · 10 km deep · 74 km away
  42. 2.6Alaska Peninsula · 1139 days ago · 72 km deep · 91 km away
  43. 2.1109 km W of Akhiok, Alaska · 1138 days ago · 5 km deep · 38 km away
  44. 2.0115 km ENE of Chignik, Alaska · 1138 days ago · 47 km deep · 67 km away · felt by 1
  45. 2.2116 km E of Chignik, Alaska · 1138 days ago · 28 km deep · 87 km away
  46. 2.873 km W of Akhiok, Alaska · 1137 days ago · 1 km deep · 70 km away
  47. 1.668 km SSE of Ugashik, Alaska · 1136 days ago · 79 km deep · 37 km away
  48. 2.078 km ENE of Ugashik, Alaska · 1136 days ago · 104 km deep · 68 km away
  49. 2.161 km W of Akhiok, Alaska · 1136 days ago · 29 km deep · 81 km away
  50. 1.774 km W of Karluk, Alaska · 1136 days ago · 96 km deep · 72 km away
  51. 1.564 km ESE of Ugashik, Alaska · 1136 days ago · 1 km deep · 17 km away
  52. 1.6Alaska Peninsula · 1135 days ago · 66 km deep · 63 km away
  53. 1.565 km ESE of Egegik, Alaska · 1135 days ago · 137 km deep · 98 km away
  54. 1.577 km ESE of Ugashik, Alaska · 1135 days ago · 77 km deep · 12 km away
  55. 2.7122 km SE of Ugashik, Alaska · 1133 days ago · 7 km deep · 59 km away
  56. 1.565 km W of Karluk, Alaska · 1133 days ago · 3 km deep · 65 km away
  57. 2.256 km ESE of Ugashik, Alaska · 1132 days ago · 90 km deep · 18 km away
  58. 1.845 km WSW of Akhiok, Alaska · 1130 days ago · 46 km deep · 98 km away
  59. 2.299 km E of Chignik, Alaska · 1129 days ago · 3 km deep · 98 km away
  60. 3.6107 km E of Chignik, Alaska · 1129 days ago · 7 km deep · 81 km away

The first 60 of 125.

Before

  1. 2.672 km SE of Ugashik, Alaska · 1157 days ago · 1 km deep · 2 km away
  2. 1.843 km ESE of Ugashik, Alaska · 1157 days ago · 109 km deep · 33 km away
  3. 2.153 km WNW of Akhiok, Alaska · 1158 days ago · 32 km deep · 85 km away
  4. 2.5107 km W of Akhiok, Alaska · 1159 days ago · 2 km deep · 39 km away
  5. 2.9122 km SSE of Ugashik, Alaska · 1159 days ago · 53 km deep · 66 km away
  6. 2.8Alaska Peninsula · 1159 days ago · 10 km deep · 95 km away
  7. 2.2116 km WSW of Akhiok, Alaska · 1160 days ago · 9 km deep · 52 km away
  8. 1.975 km SE of Ugashik, Alaska · 1161 days ago · 1 km deep · 3 km away
  9. 1.564 km ESE of Ugashik, Alaska · 1161 days ago · 7 km deep · 16 km away
  10. 1.956 km S of Ugashik, Alaska · 1163 days ago · 8 km deep · 66 km away
  11. 1.8Alaska Peninsula · 1163 days ago · 17 km deep · 96 km away
  12. 2.073 km ESE of Egegik, Alaska · 1163 days ago · 145 km deep · 94 km away
  13. 2.541 km WSW of Karluk, Alaska · 1163 days ago · 59 km deep · 85 km away
  14. 2.150 km NE of Ugashik, Alaska · 1164 days ago · 139 km deep · 79 km away
  15. 1.7Alaska Peninsula · 1164 days ago · 12 km deep · 94 km away
  16. 1.593 km ESE of Egegik, Alaska · 1164 days ago · 7 km deep · 94 km away
  17. 2.492 km ESE of Egegik, Alaska · 1164 days ago · 10 km deep · 95 km away
  18. 1.8103 km W of Akhiok, Alaska · 1164 days ago · 14 km deep · 49 km away
  19. 1.974 km ESE of Ugashik, Alaska · 1164 days ago · 2 km deep · 3 km away
  20. 1.576 km ESE of Ugashik, Alaska · 1164 days ago · 5 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0239seula6. Read Thu, Oct 1, 2026, 5:30 AM UTC.