Alaska earthquakes

M1.6 earthquake 101 km S of McCarthy, Alaska

A magnitude 1.6 earthquake struck 101 km S of McCarthy, Alaska on Thu, Sep 30, 2021, 7:47 PM AKDT (03:47 UTC), 5 km (3 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
2021-10-01 03:47:16 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
60.525° N, 142.974° 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
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 2.297 km S of McCarthy, Alaska · 1813 days ago · 10 km deep · 12 km away
  2. 1.596 km S of McCarthy, Alaska · 1810 days ago · 10 km deep · 12 km away
  3. 2.0129 km S of McCarthy, Alaska · 1808 days ago · 5 km deep · 33 km away
  4. 2.6113 km WNW of Yakutat, Alaska · 1808 days ago · 3 km deep · 100 km away
  5. 1.5137 km WNW of Yakutat, Alaska · 1806 days ago · 4 km deep · 74 km away
  6. 1.5134 km SE of McCarthy, Alaska · 1800 days ago · 11 km deep · 96 km away
  7. 1.5111 km S of McCarthy, Alaska · 1800 days ago · 10 km deep · 10 km away
  8. 1.690 km SSE of McCarthy, Alaska · 1799 days ago · 8 km deep · 26 km away
  9. 1.6104 km S of McCarthy, Alaska · 1794 days ago · 4 km deep · 8 km away
  10. 1.5113 km S of McCarthy, Alaska · 1793 days ago · 8 km deep · 14 km away
  11. 2.4138 km ESE of Cordova, Alaska · 1792 days ago · 10 km deep · 41 km away
  12. 1.7120 km WNW of Yakutat, Alaska · 1792 days ago · 3 km deep · 92 km away
  13. 2.594 km E of Cordova, Alaska · 1784 days ago · 6 km deep · 58 km away
  14. 2.0110 km SE of McCarthy, Alaska · 1784 days ago · 8 km deep · 69 km away
  15. 1.6133 km NW of Yakutat, Alaska · 1781 days ago · 3 km deep · 86 km away
  16. 1.6113 km WNW of Yakutat, Alaska · 1775 days ago · 14 km deep · 98 km away
  17. 1.6112 km NW of Yakutat, Alaska · 1774 days ago · 7 km deep · 100 km away
  18. 1.6128 km WNW of Yakutat, Alaska · 1769 days ago · 9 km deep · 83 km away
  19. 1.5126 km WNW of Yakutat, Alaska · 1769 days ago · 12 km deep · 85 km away
  20. 2.0122 km S of McCarthy, Alaska · 1764 days ago · 1 km deep · 23 km away

Before

  1. 1.6129 km WNW of Yakutat, Alaska · 1830 days ago · 11 km deep · 82 km away
  2. 1.685 km S of McCarthy, Alaska · 1831 days ago · 15 km deep · 16 km away
  3. 1.591 km S of McCarthy, Alaska · 1835 days ago · 2 km deep · 15 km away
  4. 1.6129 km S of McCarthy, Alaska · 1837 days ago · 14 km deep · 30 km away
  5. 1.7129 km NW of Yakutat, Alaska · 1841 days ago · 0 km deep · 89 km away
  6. 1.5133 km ESE of Cordova, Alaska · 1842 days ago · 0 km deep · 41 km away
  7. 1.680 km S of McCarthy, Alaska · 1845 days ago · 13 km deep · 23 km away
  8. 1.5124 km S of McCarthy, Alaska · 1850 days ago · 2 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021cl7bi4k. Read Mon, Sep 28, 2026, 5:48 AM UTC.