Alaska earthquakes

M1.6 earthquake 61 km SSW of Tanana, Alaska

A magnitude 1.6 earthquake struck 61 km SSW of Tanana, Alaska on Fri, Sep 24, 2021, 1:32 PM AKDT (21:32 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.4 62 km WNW of Tanana, Alaska. This one was a foreshock.

Healy 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, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-09-24 21:32:23 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
64.644° N, 152.482° 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: 17 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.670 km NE of Lake Minchumina, Alaska · 1830 days ago · 18 km deep · 78 km away
  2. 2.315 km NNE of Lake Minchumina, Alaska · 1830 days ago · 14 km deep · 73 km away
  3. 1.681 km ESE of Ruby, Alaska · 1829 days ago · 0 km deep · 63 km away
  4. 1.869 km N of Lake Minchumina, Alaska · 1829 days ago · 3 km deep · 15 km away
  5. 1.741 km WSW of Manley Hot Springs, Alaska · 1823 days ago · 16 km deep · 55 km away
  6. 2.217 km NW of Manley Hot Springs, Alaska · 1823 days ago · 16 km deep · 94 km away
  7. 1.561 km S of Tanana, Alaska · 1817 days ago · 9 km deep · 13 km away
  8. 1.912 km ENE of Tanana, Alaska · 1812 days ago · 15 km deep · 71 km away
  9. 1.865 km N of Lake Minchumina, Alaska · 1811 days ago · 15 km deep · 20 km away
  10. 1.671 km N of Lake Minchumina, Alaska · 1811 days ago · 11 km deep · 15 km away
  11. 1.950 km S of Tanana, Alaska · 1808 days ago · 9 km deep · 19 km away
  12. 1.666 km ENE of Lake Minchumina, Alaska · 1794 days ago · 10 km deep · 79 km away
  13. 1.772 km NNW of Lake Minchumina, Alaska · 1792 days ago · 15 km deep · 17 km away
  14. 1.863 km WNW of Tanana, Alaska · 1786 days ago · 12 km deep · 97 km away
  15. 2.462 km WNW of Tanana, Alaska · 1783 days ago · 12 km deep · 93 km away
  16. 1.861 km N of Lake Minchumina, Alaska · 1783 days ago · 5 km deep · 25 km away
  17. 1.857 km SSW of Manley Hot Springs, Alaska · 1776 days ago · 14 km deep · 57 km away

Before

  1. 1.766 km WNW of Tanana, Alaska · 1839 days ago · 10 km deep · 95 km away
  2. 1.637 km SE of Tanana, Alaska · 1841 days ago · 4 km deep · 52 km away
  3. 1.665 km WNW of Tanana, Alaska · 1841 days ago · 2 km deep · 100 km away
  4. 1.565 km WNW of Tanana, Alaska · 1851 days ago · 7 km deep · 94 km away
  5. 2.235 km SSW of Tanana, Alaska · 1856 days ago · 15 km deep · 26 km away
  6. 1.565 km WNW of Tanana, Alaska · 1861 days ago · 14 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021c9x6o8x. Read Sat, Oct 3, 2026, 8:52 AM UTC.