Alaska earthquakes

M2.7 earthquake 245 km SSE of False Pass, Alaska

A magnitude 2.7 earthquake struck 245 km SSE of False Pass, Alaska on Tue, Aug 3, 2021, 9:34 PM AKDT (05:34 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 149 km SSE of False Pass, 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
2.7 (ml), micro
Local time
UTC
2021-08-04 05:34:14 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.772° N, 162.179° 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.

Location uncertainty
About 3.9 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
246°, poorly surrounded by stations
Stations used
22

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. 3.7149 km SSE of False Pass, Alaska · 1875 days ago · 10 km deep · 97 km away
  2. 1.9148 km SSE of False Pass, Alaska · 1875 days ago · 9 km deep · 99 km away
  3. 3.4south of Alaska · 1874 days ago · 10 km deep · 91 km away
  4. 2.0162 km SSE of False Pass, Alaska · 1874 days ago · 26 km deep · 83 km away
  5. 3.5168 km SSE of False Pass, Alaska · 1874 days ago · 10 km deep · 78 km away
  6. 3.3167 km SSE of False Pass, Alaska · 1873 days ago · 10 km deep · 78 km away
  7. 2.6157 km S of False Pass, Alaska · 1869 days ago · 26 km deep · 95 km away
  8. 1.8159 km SSE of False Pass, Alaska · 1866 days ago · 27 km deep · 86 km away
  9. 2.7207 km SSE of False Pass, Alaska · 1863 days ago · 5 km deep · 50 km away
  10. 2.2247 km SE of Akutan, Alaska · 1861 days ago · 9 km deep · 67 km away
  11. 2.8254 km SSE of False Pass, Alaska · 1858 days ago · 10 km deep · 14 km away
  12. 2.7232 km SSE of False Pass, Alaska · 1847 days ago · 10 km deep · 13 km away
  13. 2.1174 km S of False Pass, Alaska · 1843 days ago · 22 km deep · 99 km away
  14. 2.0185 km S of False Pass, Alaska · 1841 days ago · 25 km deep · 93 km away
  15. 2.8177 km S of False Pass, Alaska · 1836 days ago · 35 km deep · 98 km away
  16. 2.4217 km SE of Akutan, Alaska · 1834 days ago · 12 km deep · 97 km away
  17. 2.3218 km SSE of King Cove, Alaska · 1824 days ago · 50 km deep · 56 km away
  18. 2.6194 km SSE of False Pass, Alaska · 1823 days ago · 10 km deep · 56 km away
  19. 2.7213 km SSE of King Cove, Alaska · 1820 days ago · 10 km deep · 93 km away
  20. 2.6170 km S of False Pass, Alaska · 1817 days ago · 24 km deep · 98 km away

Before

  1. 2.8151 km SSE of False Pass, Alaska · 1876 days ago · 23 km deep · 94 km away
  2. 3.3151 km SSE of False Pass, Alaska · 1877 days ago · 25 km deep · 94 km away
  3. 3.9146 km SSE of False Pass, Alaska · 1877 days ago · 10 km deep · 100 km away
  4. 3.1147 km SSE of False Pass, Alaska · 1877 days ago · 17 km deep · 99 km away
  5. 2.4152 km SSE of False Pass, Alaska · 1888 days ago · 30 km deep · 94 km away
  6. 2.7158 km SSE of False Pass, Alaska · 1889 days ago · 37 km deep · 87 km away
  7. 4.4154 km SSE of False Pass, Alaska · 1889 days ago · 10 km deep · 92 km away · felt by 1
  8. 2.1221 km SSE of False Pass, Alaska · 1896 days ago · 28 km deep · 35 km away
  9. 2.1196 km SSE of False Pass, Alaska · 1898 days ago · 26 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000f68h (also filed as ak0219xb9gjb). Read Wed, Sep 23, 2026, 6:31 AM UTC.