Alaska earthquakes

M1.8 earthquake 58 km ENE of McCarthy, Alaska

A magnitude 1.8 earthquake struck 58 km ENE of McCarthy, Alaska on Sun, Aug 15, 2021, 10:58 AM AKDT (18:58 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M4.1 86 km E 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), micro
Local time
UTC
2021-08-15 18:58:19 UTC
Depth
3.1 km (1.9 mi), shallow
Epicenter
61.642° N, 141.904° 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
44

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 33 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 4.186 km E of McCarthy, Alaska · 1865 days ago · 6 km deep · 33 km away · felt by 1
  2. 2.886 km E of McCarthy, Alaska · 1865 days ago · 4 km deep · 32 km away
  3. 1.589 km E of McCarthy, Alaska · 1865 days ago · 10 km deep · 35 km away
  4. 1.586 km E of McCarthy, Alaska · 1865 days ago · 5 km deep · 32 km away
  5. 2.087 km E of McCarthy, Alaska · 1865 days ago · 7 km deep · 33 km away
  6. 2.187 km E of McCarthy, Alaska · 1865 days ago · 4 km deep · 34 km away
  7. 3.486 km E of McCarthy, Alaska · 1865 days ago · 11 km deep · 33 km away
  8. 1.883 km E of McCarthy, Alaska · 1864 days ago · 8 km deep · 29 km away
  9. 2.487 km E of McCarthy, Alaska · 1864 days ago · 14 km deep · 34 km away
  10. 2.288 km E of McCarthy, Alaska · 1864 days ago · 15 km deep · 34 km away
  11. 1.788 km E of McCarthy, Alaska · 1864 days ago · 11 km deep · 35 km away
  12. 1.688 km E of McCarthy, Alaska · 1858 days ago · 1 km deep · 34 km away
  13. 1.8108 km E of McCarthy, Alaska · 1853 days ago · 9 km deep · 52 km away
  14. 1.690 km E of McCarthy, Alaska · 1846 days ago · 5 km deep · 37 km away
  15. 1.986 km S of Alcan Border, Alaska · 1844 days ago · 3 km deep · 44 km away
  16. 1.691 km E of McCarthy, Alaska · 1842 days ago · 9 km deep · 37 km away
  17. 1.6118 km E of McCarthy, Alaska · 1841 days ago · 9 km deep · 67 km away
  18. 1.6102 km E of McCarthy, Alaska · 1834 days ago · 7 km deep · 47 km away
  19. 1.8Southern Alaska · 1830 days ago · 4 km deep · 52 km away
  20. 1.5128 km E of McCarthy, Alaska · 1827 days ago · 0 km deep · 76 km away
  21. 2.224 km NE of McCarthy, Alaska · 1823 days ago · 7 km deep · 38 km away
  22. 1.730 km NE of McCarthy, Alaska · 1823 days ago · 3 km deep · 31 km away
  23. 2.356 km SSW of Alcan Border, Alaska · 1818 days ago · 4 km deep · 66 km away
  24. 3.652 km SSW of Alcan Border, Alaska · 1818 days ago · 9 km deep · 69 km away · felt by 1
  25. 2.254 km SSW of Alcan Border, Alaska · 1818 days ago · 11 km deep · 67 km away
  26. 1.957 km SSW of Alcan Border, Alaska · 1818 days ago · 5 km deep · 64 km away
  27. 2.155 km SSW of Alcan Border, Alaska · 1818 days ago · 9 km deep · 66 km away
  28. 1.6119 km E of McCarthy, Alaska · 1818 days ago · 0 km deep · 65 km away
  29. 1.525 km NE of McCarthy, Alaska · 1817 days ago · 10 km deep · 36 km away
  30. 1.885 km E of McCarthy, Alaska · 1814 days ago · 4 km deep · 35 km away
  31. 2.0125 km E of McCarthy, Alaska · 1814 days ago · 1 km deep · 74 km away
  32. 1.990 km E of McCarthy, Alaska · 1811 days ago · 3 km deep · 37 km away
  33. 1.689 km E of McCarthy, Alaska · 1811 days ago · 4 km deep · 37 km away

Before

  1. 2.098 km E of McCarthy, Alaska · 1870 days ago · 3 km deep · 44 km away
  2. 1.895 km SE of McCarthy, Alaska · 1882 days ago · 11 km deep · 93 km away
  3. 1.694 km E of McCarthy, Alaska · 1883 days ago · 0 km deep · 43 km away
  4. 1.591 km E of McCarthy, Alaska · 1884 days ago · 8 km deep · 36 km away
  5. 2.1147 km SSE of Alcan Border, Alaska · 1884 days ago · 5 km deep · 96 km away
  6. 1.849 km SW of Alcan Border, AK · 1884 days ago · 4 km deep · 76 km away
  7. 1.5118 km E of McCarthy, Alaska · 1897 days ago · 3 km deep · 73 km away
  8. 3.1136 km E of McCarthy, Alaska · 1898 days ago · 3 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021afq21zb. Read Mon, Sep 28, 2026, 5:01 AM UTC.