Alaska earthquakes

M1.6 earthquake 104 km S of McCarthy, Alaska

A magnitude 1.6 earthquake struck 104 km S of McCarthy, Alaska on Sun, Dec 27, 2020, 11:50 AM AKST (20:50 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.5 133 km NW of Yakutat, Alaska. This one was a foreshock.

Cordova forecastMore in Alaska

Map

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

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The earthquake

Magnitude
1.6 (ml), micro
Local time
UTC
2020-12-27 20:50:28 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
60.496° N, 143.008° 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
45

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 25 in the 60 days after this one and 14 in the 30 days before it.

After

  1. 1.784 km SSW of McCarthy, Alaska · 2098 days ago · 7 km deep · 26 km away
  2. 2.0128 km ESE of Cordova, Alaska · 2098 days ago · 5 km deep · 35 km away
  3. 2.5133 km NW of Yakutat, Alaska · 2094 days ago · 4 km deep · 83 km away
  4. 2.5130 km NW of Yakutat, Alaska · 2094 days ago · 1 km deep · 85 km away
  5. 1.5134 km NW of Yakutat, Alaska · 2094 days ago · 14 km deep · 81 km away
  6. 1.8131 km NW of Yakutat, Alaska · 2094 days ago · 14 km deep · 84 km away
  7. 1.699 km E of Cordova, Alaska · 2093 days ago · 5 km deep · 52 km away
  8. 2.3133 km SSE of McCarthy, Alaska · 2092 days ago · 8 km deep · 79 km away
  9. 1.5132 km SSE of McCarthy, Alaska · 2088 days ago · 9 km deep · 63 km away
  10. 1.8136 km SSE of McCarthy, Alaska · 2085 days ago · 6 km deep · 74 km away
  11. 2.3113 km S of McCarthy, Alaska · 2082 days ago · 18 km deep · 12 km away
  12. 1.6120 km NW of Yakutat, Alaska · 2075 days ago · 13 km deep · 97 km away
  13. 1.8132 km SE of McCarthy, Alaska · 2069 days ago · 11 km deep · 82 km away
  14. 1.9129 km NW of Yakutat, Alaska · 2063 days ago · 15 km deep · 93 km away
  15. 2.0114 km WNW of Yakutat, Alaska · 2063 days ago · 8 km deep · 99 km away
  16. 2.1103 km S of McCarthy, Alaska · 2059 days ago · 7 km deep · 2 km away
  17. 1.7111 km E of Cordova, Alaska · 2059 days ago · 2 km deep · 42 km away
  18. 1.7137 km NW of Yakutat, Alaska · 2056 days ago · 1 km deep · 81 km away
  19. 1.9108 km S of McCarthy, Alaska · 2055 days ago · 11 km deep · 7 km away
  20. 1.9106 km S of McCarthy, Alaska · 2055 days ago · 4 km deep · 6 km away
  21. 1.9108 km S of McCarthy, Alaska · 2053 days ago · 3 km deep · 9 km away
  22. 1.9110 km S of McCarthy, Alaska · 2048 days ago · 4 km deep · 17 km away
  23. 1.5139 km SSE of McCarthy, Alaska · 2045 days ago · 5 km deep · 76 km away
  24. 1.8136 km SSE of McCarthy, Alaska · 2045 days ago · 6 km deep · 74 km away
  25. 1.6133 km NW of Yakutat, Alaska · 2044 days ago · 9 km deep · 81 km away

Before

  1. 2.6103 km S of McCarthy, Alaska · 2101 days ago · 5 km deep · 1 km away · felt by 1
  2. 1.6104 km S of McCarthy, Alaska · 2102 days ago · 8 km deep · 2 km away
  3. 1.6126 km SSE of McCarthy, Alaska · 2105 days ago · 15 km deep · 40 km away
  4. 2.3126 km WNW of Yakutat, Alaska · 2108 days ago · 6 km deep · 87 km away
  5. 3.696 km S of McCarthy, Alaska · 2113 days ago · 17 km deep · 21 km away
  6. 1.697 km S of McCarthy, Alaska · 2120 days ago · 0 km deep · 22 km away
  7. 1.6133 km NW of Yakutat, Alaska · 2120 days ago · 4 km deep · 82 km away
  8. 2.1109 km S of McCarthy, Alaska · 2124 days ago · 6 km deep · 9 km away
  9. 2.1107 km S of McCarthy, Alaska · 2124 days ago · 4 km deep · 7 km away
  10. 1.9134 km NW of Yakutat, Alaska · 2128 days ago · 9 km deep · 80 km away
  11. 1.5115 km SSE of McCarthy, Alaska · 2129 days ago · 10 km deep · 42 km away
  12. 1.6124 km NW of Yakutat, Alaska · 2130 days ago · 8 km deep · 96 km away
  13. 1.8115 km WNW of Yakutat, Alaska · 2130 days ago · 8 km deep · 97 km away
  14. 1.8118 km WNW of Yakutat, Alaska · 2131 days ago · 17 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020gn0r2wi. Read Tue, Sep 29, 2026, 8:03 AM UTC.