Alaska earthquakes

M1.6 earthquake 129 km S of McCarthy, Alaska

A magnitude 1.6 earthquake struck 129 km S of McCarthy, Alaska on Thu, Sep 16, 2021, 2:17 PM AKDT (22:17 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M2.6 113 km WNW of Yakutat, 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
1.6 (ml), micro
Local time
UTC
2021-09-16 22:17:29 UTC
Depth
14.1 km (8.8 mi), shallow
Epicenter
60.281° N, 143.215° 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
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.591 km S of McCarthy, Alaska · 1835 days ago · 2 km deep · 38 km away
  2. 1.685 km S of McCarthy, Alaska · 1832 days ago · 15 km deep · 45 km away
  3. 1.6129 km WNW of Yakutat, Alaska · 1830 days ago · 11 km deep · 87 km away
  4. 1.6101 km S of McCarthy, Alaska · 1823 days ago · 5 km deep · 30 km away
  5. 2.297 km S of McCarthy, Alaska · 1813 days ago · 10 km deep · 40 km away
  6. 1.596 km S of McCarthy, Alaska · 1810 days ago · 10 km deep · 40 km away
  7. 2.0129 km S of McCarthy, Alaska · 1808 days ago · 5 km deep · 6 km away
  8. 2.6113 km WNW of Yakutat, Alaska · 1808 days ago · 3 km deep · 97 km away
  9. 1.5137 km WNW of Yakutat, Alaska · 1806 days ago · 4 km deep · 79 km away
  10. 1.5111 km S of McCarthy, Alaska · 1800 days ago · 10 km deep · 22 km away
  11. 1.690 km SSE of McCarthy, Alaska · 1799 days ago · 8 km deep · 53 km away
  12. 1.6104 km S of McCarthy, Alaska · 1794 days ago · 4 km deep · 25 km away
  13. 1.5113 km S of McCarthy, Alaska · 1793 days ago · 8 km deep · 16 km away
  14. 2.4138 km ESE of Cordova, Alaska · 1792 days ago · 10 km deep · 11 km away
  15. 1.7120 km WNW of Yakutat, Alaska · 1792 days ago · 3 km deep · 91 km away
  16. 1.554 km ESE of Cordova, Alaska · 1790 days ago · 18 km deep · 94 km away
  17. 2.594 km E of Cordova, Alaska · 1784 days ago · 6 km deep · 53 km away
  18. 2.0110 km SE of McCarthy, Alaska · 1784 days ago · 8 km deep · 90 km away
  19. 1.6133 km NW of Yakutat, Alaska · 1781 days ago · 3 km deep · 99 km away

Before

  1. 1.5133 km ESE of Cordova, Alaska · 1842 days ago · 0 km deep · 13 km away
  2. 1.680 km S of McCarthy, Alaska · 1845 days ago · 13 km deep · 49 km away
  3. 1.5124 km S of McCarthy, Alaska · 1850 days ago · 2 km deep · 5 km away
  4. 1.744 km SW of McCarthy, Alaska · 1857 days ago · 9 km deep · 96 km away
  5. 2.0133 km NW of Yakutat, Alaska · 1858 days ago · 2 km deep · 88 km away
  6. 1.6104 km S of McCarthy, Alaska · 1860 days ago · 5 km deep · 27 km away
  7. 1.6122 km S of McCarthy, Alaska · 1866 days ago · 12 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021bwpe4p4. Read Mon, Sep 28, 2026, 9:02 AM UTC.