Alaska earthquakes

M1.8 earthquake 112 km SE of Halibut Cove, Alaska

A magnitude 1.8 earthquake struck 112 km SE of Halibut Cove, Alaska on Wed, Jul 21, 2021, 8:58 PM AKDT (04:58 UTC), 41 km (26 mi) below the surface.

A larger quake followed: M2.8 104 km ENE of Ouzinkie, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-07-22 04:58:53 UTC
Depth
41.4 km (25.7 mi), shallow
Epicenter
58.784° N, 150.048° 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
11

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 9 in the 30 days before it.

After

  1. 2.198 km ENE of Ouzinkie, Alaska · 1894 days ago · 3 km deep · 77 km away
  2. 1.686 km ENE of Ouzinkie, Alaska · 1894 days ago · 25 km deep · 88 km away
  3. 2.8104 km ENE of Ouzinkie, Alaska · 1893 days ago · 6 km deep · 71 km away
  4. 1.969 km SSW of Lowell Point, Alaska · 1891 days ago · 13 km deep · 78 km away
  5. 2.168 km SE of Port Graham, Alaska · 1891 days ago · 42 km deep · 54 km away
  6. 1.8117 km ENE of Ouzinkie, Alaska · 1890 days ago · 6 km deep · 67 km away
  7. 1.653 km SSW of Lowell Point, Alaska · 1887 days ago · 14 km deep · 94 km away
  8. 1.897 km ENE of Ouzinkie, Alaska · 1885 days ago · 24 km deep · 76 km away
  9. 1.9100 km NE of Ouzinkie, Alaska · 1879 days ago · 12 km deep · 72 km away
  10. 1.876 km S of Port Graham, Alaska · 1870 days ago · 44 km deep · 92 km away
  11. 1.6109 km ENE of Ouzinkie, Alaska · 1869 days ago · 34 km deep · 65 km away
  12. 1.564 km ESE of Fox River, Alaska · 1864 days ago · 15 km deep · 85 km away
  13. 1.991 km ENE of Ouzinkie, Alaska · 1864 days ago · 25 km deep · 84 km away
  14. 1.845 km ESE of Halibut Cove, Alaska · 1863 days ago · 30 km deep · 84 km away
  15. 2.158 km SSE of Halibut Cove, Alaska · 1853 days ago · 16 km deep · 59 km away
  16. 1.867 km SE of Port Graham, Alaska · 1852 days ago · 41 km deep · 56 km away
  17. 2.063 km ESE of Halibut Cove, Alaska · 1845 days ago · 20 km deep · 72 km away
  18. 2.492 km ENE of Ouzinkie, Alaska · 1845 days ago · 2 km deep · 82 km away
  19. 1.566 km SE of Port Graham, Alaska · 1845 days ago · 39 km deep · 65 km away
  20. 1.629 km SSE of Port Graham, Alaska · 1839 days ago · 6 km deep · 99 km away

Before

  1. 1.6104 km ENE of Chiniak, Alaska · 1900 days ago · 17 km deep · 96 km away
  2. 1.780 km SE of Halibut Cove, Alaska · 1900 days ago · 30 km deep · 39 km away
  3. 1.796 km ENE of Ouzinkie, Alaska · 1901 days ago · 10 km deep · 77 km away
  4. 2.088 km ENE of Ouzinkie, Alaska · 1903 days ago · 46 km deep · 93 km away
  5. 1.680 km ENE of Ouzinkie, Alaska · 1904 days ago · 26 km deep · 96 km away
  6. 2.280 km ENE of Ouzinkie, Alaska · 1909 days ago · 45 km deep · 94 km away
  7. 1.8Gulf of Alaska · 1915 days ago · 47 km deep · 20 km away
  8. 2.4136 km SSE of Halibut Cove, Alaska · 1916 days ago · 47 km deep · 29 km away
  9. 1.5103 km ENE of Kodiak, Alaska · 1921 days ago · 33 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0219bstqb1. Read Thu, Oct 1, 2026, 5:32 AM UTC.