Alaska earthquakes

M1.8 earthquake 11 km NNW of Glennallen, Alaska

A magnitude 1.8 earthquake struck 11 km NNW of Glennallen, Alaska on Sun, Sep 26, 2021, 4:24 AM AKDT (12:24 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M2.7 39 km NNW of Valdez, Alaska. This one was a foreshock.

Valdez 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
1.8 (ml), micro
Local time
UTC
2021-09-26 12:24:51 UTC
Depth
15.9 km (9.9 mi), shallow
Epicenter
62.195° N, 145.669° 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
47

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 2.047 km SSE of Nelchina, Alaska · 1821 days ago · 26 km deep · 73 km away
  2. 1.749 km SSE of Nelchina, Alaska · 1820 days ago · 18 km deep · 77 km away
  3. 1.649 km SSE of Nelchina, Alaska · 1819 days ago · 32 km deep · 74 km away
  4. 1.646 km N of Valdez, Alaska · 1818 days ago · 20 km deep · 78 km away
  5. 1.550 km NNE of Valdez, Alaska · 1818 days ago · 30 km deep · 73 km away
  6. 1.537 km NNW of Valdez, Alaska · 1817 days ago · 13 km deep · 94 km away
  7. 1.648 km NNW of Valdez, Alaska · 1816 days ago · 12 km deep · 94 km away
  8. 1.840 km NNE of Kenny Lake, Alaska · 1813 days ago · 9 km deep · 62 km away
  9. 1.745 km NNW of Valdez, Alaska · 1813 days ago · 7 km deep · 97 km away
  10. 1.549 km NNW of Valdez, Alaska · 1812 days ago · 19 km deep · 89 km away
  11. 1.545 km NNW of Valdez, Alaska · 1808 days ago · 15 km deep · 87 km away
  12. 1.948 km N of Valdez, Alaska · 1800 days ago · 17 km deep · 81 km away
  13. 2.243 km WSW of Tonsina, Alaska · 1798 days ago · 25 km deep · 73 km away
  14. 2.038 km NNW of Valdez, Alaska · 1798 days ago · 12 km deep · 95 km away
  15. 1.529 km NNW of Valdez, Alaska · 1797 days ago · 15 km deep · 100 km away
  16. 1.647 km N of Valdez, Alaska · 1794 days ago · 25 km deep · 85 km away
  17. 1.545 km NNW of Valdez, Alaska · 1793 days ago · 43 km deep · 88 km away
  18. 2.739 km NNW of Valdez, Alaska · 1791 days ago · 26 km deep · 92 km away
  19. 1.740 km NNW of Valdez, Alaska · 1790 days ago · 20 km deep · 93 km away
  20. 2.142 km N of Valdez, Alaska · 1788 days ago · 20 km deep · 86 km away
  21. 1.844 km NNW of Valdez, Alaska · 1782 days ago · 15 km deep · 88 km away
  22. 1.546 km SSE of Nelchina, Alaska · 1781 days ago · 25 km deep · 72 km away
  23. 2.249 km SSE of Nelchina, Alaska · 1780 days ago · 15 km deep · 80 km away
  24. 2.244 km SSE of Nelchina, Alaska · 1779 days ago · 23 km deep · 80 km away
  25. 1.546 km N of Valdez, Alaska · 1778 days ago · 36 km deep · 80 km away
  26. 2.744 km N of Valdez, Alaska · 1777 days ago · 27 km deep · 85 km away
  27. 2.038 km N of Valdez, Alaska · 1777 days ago · 33 km deep · 91 km away
  28. 1.526 km NNE of Valdez, Alaska · 1774 days ago · 21 km deep · 97 km away
  29. 1.630 km NE of Valdez, Alaska · 1774 days ago · 20 km deep · 97 km away
  30. 1.632 km NW of Eureka Roadhouse, Alaska · 1768 days ago · 18 km deep · 97 km away
  31. 1.751 km SSE of Nelchina, Alaska · 1768 days ago · 17 km deep · 73 km away

Before

  1. 2.141 km NNW of Valdez, Alaska · 1825 days ago · 2 km deep · 91 km away
  2. 1.649 km W of Tonsina, Alaska · 1826 days ago · 31 km deep · 67 km away
  3. 1.611 km NE of Silver Springs, Alaska · 1827 days ago · 53 km deep · 29 km away
  4. 1.58 km NNW of Glennallen, Alaska · 1830 days ago · 20 km deep · 5 km away
  5. 1.525 km S of Eureka Roadhouse, Alaska · 1833 days ago · 30 km deep · 94 km away
  6. 2.630 km NNE of Valdez, Alaska · 1834 days ago · 28 km deep · 93 km away
  7. 1.613 km NNW of Glennallen, Alaska · 1835 days ago · 16 km deep · 2 km away
  8. 3.614 km NW of Glennallen, Alaska · 1836 days ago · 12 km deep · 3 km away · felt by 16
  9. 1.548 km N of Valdez, Alaska · 1838 days ago · 30 km deep · 77 km away
  10. 2.048 km SSE of Nelchina, Alaska · 1838 days ago · 25 km deep · 75 km away
  11. 1.551 km NNE of Chitina, Alaska · 1838 days ago · 7 km deep · 90 km away
  12. 1.634 km SSE of Nelchina, Alaska · 1839 days ago · 27 km deep · 72 km away
  13. 1.748 km N of Valdez, Alaska · 1839 days ago · 28 km deep · 81 km away
  14. 3.347 km SSE of Nelchina, Alaska · 1840 days ago · 13 km deep · 81 km away
  15. 1.750 km N of Valdez, Alaska · 1841 days ago · 21 km deep · 77 km away
  16. 2.348 km N of Valdez, Alaska · 1842 days ago · 26 km deep · 78 km away
  17. 1.946 km N of Valdez, Alaska · 1842 days ago · 20 km deep · 82 km away
  18. 1.543 km SSE of Nelchina, Alaska · 1845 days ago · 34 km deep · 71 km away
  19. 1.849 km SSE of Eureka Roadhouse, Alaska · 1846 days ago · 8 km deep · 94 km away
  20. 1.815 km WNW of Eureka Roadhouse, Alaska · 1853 days ago · 33 km deep · 93 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021cd2ut5k. Read Thu, Sep 24, 2026, 10:41 AM UTC.