Alaska earthquakes

M1.8 earthquake 192 km SSE of Unalaska, Alaska

A magnitude 1.8 earthquake struck 192 km SSE of Unalaska, Alaska on Sat, Jul 24, 2021, 11:11 AM AKDT (19:11 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.6 169 km SSE of Akutan, 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
2021-07-24 19:11:41 UTC
Depth
18.9 km (11.7 mi), shallow
Epicenter
52.275° N, 165.452° 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
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.6169 km SSE of Akutan, Alaska · 1881 days ago · 10 km deep · 77 km away
  2. 2.8195 km SSE of Unalaska, Alaska · 1879 days ago · 10 km deep · 5 km away
  3. 2.5187 km S of Unalaska, Alaska · 1877 days ago · 10 km deep · 37 km away
  4. 2.0144 km ESE of Nikolski, Alaska · 1876 days ago · 25 km deep · 98 km away
  5. 2.9194 km SSE of Akutan, Alaska · 1876 days ago · 10 km deep · 68 km away
  6. 2.2171 km SE of Unalaska, Alaska · 1873 days ago · 26 km deep · 47 km away
  7. 2.8192 km SE of Nikolski, Alaska · 1871 days ago · 10 km deep · 83 km away
  8. 1.5141 km S of Unalaska, Alaska · 1869 days ago · 13 km deep · 98 km away
  9. 3.5147 km ESE of Nikolski, Alaska · 1868 days ago · 18 km deep · 96 km away
  10. 1.7137 km SSE of Akutan, Alaska · 1861 days ago · 18 km deep · 98 km away
  11. 2.1223 km SSE of Akutan, Alaska · 1861 days ago · 8 km deep · 71 km away
  12. 1.8151 km ESE of Nikolski, Alaska · 1860 days ago · 18 km deep · 91 km away
  13. 2.8185 km SSE of Unalaska, Alaska · 1856 days ago · 10 km deep · 36 km away
  14. 1.8200 km SSE of Unalaska, Alaska · 1855 days ago · 26 km deep · 43 km away
  15. 2.0152 km ESE of Nikolski, Alaska · 1850 days ago · 15 km deep · 90 km away
  16. 2.5105 km SE of Unalaska, Alaska · 1850 days ago · 35 km deep · 94 km away
  17. 1.8144 km S of Unalaska, Alaska · 1843 days ago · 26 km deep · 81 km away
  18. 1.7143 km S of Unalaska, Alaska · 1843 days ago · 21 km deep · 86 km away

Before

  1. 1.5106 km SSE of Unalaska, Alaska · 1887 days ago · 14 km deep · 90 km away
  2. 1.6125 km S of Unalaska, Alaska · 1896 days ago · 17 km deep · 95 km away
  3. 1.9109 km SSE of Unalaska, Alaska · 1901 days ago · 14 km deep · 86 km away
  4. 2.2210 km SSE of Unalaska, Alaska · 1901 days ago · 12 km deep · 19 km away
  5. 2.9126 km S of Unalaska, Alaska · 1902 days ago · 8 km deep · 96 km away
  6. 2.2126 km S of Unalaska, Alaska · 1902 days ago · 12 km deep · 99 km away
  7. 1.7165 km S of Unalaska, Alaska · 1914 days ago · 19 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219fcjts7. Read Wed, Sep 23, 2026, 1:06 PM UTC.