Alaska earthquakes

M1.8 earthquake 130 km S of McCarthy, Alaska

A magnitude 1.8 earthquake struck 130 km S of McCarthy, Alaska on Mon, Oct 16, 2023, 5:17 PM AKDT (01:17 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.1 112 km SSW of McCarthy, 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
2023-10-17 01:17:52 UTC
Depth
6.5 km (4.0 mi), shallow
Epicenter
60.276° N, 143.310° 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
59

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.5Southern Alaska · 1076 days ago · 11 km deep · 96 km away
  2. 1.977 km E of Cordova, Alaska · 1066 days ago · 10 km deep · 71 km away
  3. 2.077 km E of Cordova, Alaska · 1066 days ago · 7 km deep · 68 km away
  4. 1.9155 km S of McCarthy, Alaska · 1065 days ago · 11 km deep · 45 km away
  5. 1.6127 km S of McCarthy, Alaska · 1061 days ago · 3 km deep · 10 km away
  6. 1.7121 km WNW of Yakutat, Alaska · 1058 days ago · 4 km deep · 95 km away
  7. 1.7135 km S of McCarthy, Alaska · 1058 days ago · 2 km deep · 5 km away
  8. 1.5122 km S of McCarthy, Alaska · 1058 days ago · 3 km deep · 18 km away
  9. 1.9111 km E of Cordova, Alaska · 1057 days ago · 10 km deep · 29 km away
  10. 1.675 km E of Cordova, Alaska · 1056 days ago · 10 km deep · 71 km away
  11. 1.8172 km ESE of Cordova, Alaska · 1056 days ago · 7 km deep · 55 km away
  12. 1.6131 km NW of Yakutat, Alaska · 1052 days ago · 2 km deep · 94 km away
  13. 1.6Southern Alaska · 1049 days ago · 6 km deep · 93 km away
  14. 2.0104 km S of McCarthy, Alaska · 1045 days ago · 0 km deep · 27 km away
  15. 2.6118 km WNW of Yakutat, Alaska · 1045 days ago · 13 km deep · 98 km away
  16. 3.1112 km SSW of McCarthy, Alaska · 1041 days ago · 7 km deep · 29 km away
  17. 1.5128 km NW of Yakutat, Alaska · 1040 days ago · 4 km deep · 95 km away
  18. 1.5129 km S of McCarthy, Alaska · 1039 days ago · 1 km deep · 1 km away
  19. 1.695 km E of Cordova, Alaska · 1038 days ago · 4 km deep · 50 km away
  20. 2.076 km E of Cordova, Alaska · 1036 days ago · 1 km deep · 68 km away
  21. 1.6112 km ESE of Cordova, Alaska · 1035 days ago · 5 km deep · 25 km away · felt by 1
  22. 1.7112 km ESE of Cordova, Alaska · 1034 days ago · 1 km deep · 26 km away
  23. 3.176 km E of Cordova, Alaska · 1034 days ago · 6 km deep · 70 km away
  24. 2.677 km E of Cordova, Alaska · 1034 days ago · 7 km deep · 69 km away
  25. 2.677 km E of Cordova, Alaska · 1032 days ago · 6 km deep · 70 km away
  26. 1.7148 km WNW of Yakutat, Alaska · 1031 days ago · 16 km deep · 68 km away
  27. 1.655 km SE of Cordova, Alaska · 1029 days ago · 8 km deep · 96 km away
  28. 1.9141 km SE of Cordova, Alaska · 1027 days ago · 6 km deep · 81 km away

Before

  1. 1.598 km S of McCarthy, Alaska · 1085 days ago · 2 km deep · 35 km away
  2. 1.5134 km S of McCarthy, Alaska · 1089 days ago · 2 km deep · 4 km away
  3. 1.7163 km ESE of Cordova, Alaska · 1090 days ago · 16 km deep · 47 km away
  4. 1.7129 km S of McCarthy, Alaska · 1090 days ago · 1 km deep · 1 km away
  5. 3.2133 km S of McCarthy, Alaska · 1090 days ago · 1 km deep · 3 km away · felt by 1
  6. 1.6108 km SE of McCarthy, Alaska · 1091 days ago · 6 km deep · 98 km away
  7. 2.1Southern Alaska · 1092 days ago · 2 km deep · 61 km away
  8. 2.3129 km S of McCarthy, Alaska · 1093 days ago · 9 km deep · 1 km away
  9. 1.9123 km S of McCarthy, Alaska · 1101 days ago · 1 km deep · 14 km away
  10. 1.5Southern Alaska · 1103 days ago · 9 km deep · 20 km away
  11. 1.5Southern Alaska · 1104 days ago · 11 km deep · 68 km away
  12. 1.6119 km ESE of Cordova, Alaska · 1109 days ago · 7 km deep · 19 km away
  13. 1.9121 km ESE of Cordova, Alaska · 1109 days ago · 9 km deep · 17 km away
  14. 1.7124 km S of McCarthy, Alaska · 1109 days ago · 3 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak023dbmju2t. Read Thu, Oct 1, 2026, 12:20 PM UTC.