Alaska earthquakes

M1.9 earthquake 186 km S of Akhiok, Alaska

A magnitude 1.9 earthquake struck 186 km S of Akhiok, Alaska on Mon, Aug 30, 2021, 5:47 AM AKDT (13:47 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.2 166 km SSW of Akhiok, Alaska. This one was a foreshock.

Womens Bay 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
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-08-30 13:47:46 UTC
Depth
7.6 km (4.7 mi), shallow
Epicenter
55.276° N, 154.030° 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
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.290 km S of Akhiok, Alaska · 1858 days ago · 29 km deep · 99 km away
  2. 2.9185 km SSW of Akhiok, Alaska · 1853 days ago · 11 km deep · 85 km away
  3. 2.3160 km SSW of Akhiok, Alaska · 1836 days ago · 8 km deep · 86 km away
  4. 2.4165 km SSW of Akhiok, Alaska · 1824 days ago · 3 km deep · 79 km away
  5. 4.2166 km SSW of Akhiok, Alaska · 1807 days ago · 6 km deep · 54 km away
  6. 2.9161 km SSW of Akhiok, Alaska · 1806 days ago · 28 km deep · 65 km away
  7. 3.3226 km SSW of Akhiok, Alaska · 1804 days ago · 4 km deep · 77 km away

Before

  1. 3.0154 km S of Akhiok, Alaska · 1863 days ago · 27 km deep · 38 km away
  2. 2.6158 km SSW of Akhiok, Alaska · 1865 days ago · 41 km deep · 88 km away
  3. 3.0207 km S of Akhiok, Alaska · 1878 days ago · 10 km deep · 25 km away
  4. 3.5246 km SSW of Akhiok, Alaska · 1883 days ago · 12 km deep · 94 km away
  5. 3.4south of Alaska · 1883 days ago · 12 km deep · 96 km away
  6. 3.0244 km SSW of Akhiok, Alaska · 1883 days ago · 7 km deep · 91 km away
  7. 2.8236 km SSW of Akhiok, Alaska · 1884 days ago · 9 km deep · 92 km away
  8. 3.2231 km SSW of Akhiok, Alaska · 1884 days ago · 12 km deep · 91 km away
  9. 2.4145 km SSW of Akhiok, Alaska · 1886 days ago · 20 km deep · 64 km away
  10. 3.0182 km SSW of Akhiok, Alaska · 1887 days ago · 10 km deep · 74 km away
  11. 3.3205 km SSW of Akhiok, Alaska · 1887 days ago · 10 km deep · 58 km away
  12. 4.3206 km SSW of Akhiok, Alaska · 1888 days ago · 34 km deep · 66 km away
  13. 2.3202 km SSW of Akhiok, Alaska · 1889 days ago · 20 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b4g2t5w. Read Fri, Oct 2, 2026, 3:02 AM UTC.