Alaska earthquakes

M2.4 earthquake Southeastern Alaska

A magnitude 2.4 earthquake struck in Southeastern Alaska on Wed, Sep 1, 2021, 10:56 PM AKDT (06:56 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M2.7 62 km NW of Elfin Cove, 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
2.4 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-09-02 06:56:49 UTC
Depth
24.4 km (15.2 mi), shallow
Epicenter
58.128° N, 138.081° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.4ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.7ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.071 · 26 stations

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
20

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 9 in the 30 days before it.

After

  1. 2.187 km WSW of Elfin Cove, Alaska · 1853 days ago · 10 km deep · 29 km away
  2. 1.8100 km W of Elfin Cove, Alaska · 1852 days ago · 20 km deep · 8 km away
  3. 1.7101 km W of Elfin Cove, Alaska · 1852 days ago · 25 km deep · 5 km away
  4. 1.594 km W of Elfin Cove, Alaska · 1850 days ago · 12 km deep · 18 km away
  5. 2.762 km NW of Elfin Cove, Alaska · 1842 days ago · 4 km deep · 68 km away
  6. 1.9105 km WSW of Elfin Cove, Alaska · 1837 days ago · 23 km deep · 28 km away
  7. 2.6101 km NW of Elfin Cove, Alaska · 1835 days ago · 15 km deep · 70 km away
  8. 1.884 km NW of Elfin Cove, Alaska · 1828 days ago · 6 km deep · 68 km away
  9. 1.733 km WNW of Elfin Cove, Alaska · 1819 days ago · 5 km deep · 72 km away
  10. 2.1110 km S of Yakutat, Alaska · 1816 days ago · 2 km deep · 94 km away
  11. 2.4121 km SSE of Yakutat, Alaska · 1808 days ago · 19 km deep · 72 km away
  12. 2.156 km NW of Elfin Cove, Alaska · 1807 days ago · 20 km deep · 82 km away
  13. 2.5128 km W of Elfin Cove, Alaska · 1802 days ago · 23 km deep · 27 km away
  14. 2.5128 km W of Elfin Cove, Alaska · 1802 days ago · 23 km deep · 27 km away
  15. 2.7187 km S of Yakutat, Alaska · 1799 days ago · 10 km deep · 87 km away
  16. 1.543 km WNW of Elfin Cove, Alaska · 1797 days ago · 7 km deep · 72 km away
  17. 1.773 km NW of Elfin Cove, Alaska · 1796 days ago · 4 km deep · 83 km away

Before

  1. 2.0103 km W of Pelican, Alaska · 1856 days ago · 5 km deep · 38 km away
  2. 2.1off the coast of Southeastern Alaska · 1856 days ago · 20 km deep · 27 km away
  3. 1.685 km WSW of Elfin Cove, Alaska · 1859 days ago · 30 km deep · 27 km away
  4. 1.853 km NW of Elfin Cove, Alaska · 1859 days ago · 9 km deep · 71 km away
  5. 2.255 km NW of Elfin Cove, Alaska · 1862 days ago · 5 km deep · 69 km away
  6. 2.357 km WNW of Elfin Cove, Alaska · 1862 days ago · 2 km deep · 67 km away
  7. 2.4154 km W of Elfin Cove, Alaska · 1868 days ago · 25 km deep · 51 km away
  8. 1.598 km WSW of Elfin Cove, Alaska · 1868 days ago · 9 km deep · 13 km away
  9. 1.771 km W of Elfin Cove, Alaska · 1872 days ago · 7 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021b9akqj7 (also filed as us7000fc7f). Read Thu, Oct 1, 2026, 3:33 PM UTC.