2021-09-23 22:41:09 (M4.3) Fox Islands, Aleutian Islands, Alaska 52.7 -168.4 (1cbfb)

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M4.3 Earthquake - Fox Islands, Aleutian Islands, Alaska

Preliminary Report
Magnitude 4.3
Date-Time
  • 23 Sep 2021 22:41:10 UTC
  • 23 Sep 2021 12:41:10 near epicenter
  • 23 Sep 2021 14:41:10 standard time in your timezone
Location 52.711N 168.378W
Depth 32 km
Distances
  • 41.3 km (25.6 mi) SE of Nikolski, Alaska
  • 1460.9 km (905.7 mi) SW of Anchorage, Alaska
  • 1482.1 km (918.9 mi) SW of Eagle River, Alaska
  • 1492.0 km (925.0 mi) SW of Knik-Fairview, Alaska
  • 1561.1 km (967.9 mi) SSE of Anadyr, Russia
Location Uncertainty Horizontal: 7.8 km; Vertical 6.3 km
Parameters Nph = 75; Dmin = 43.4 km; Rmss = 1.20 seconds; Gp = 172°
Version =
Event ID us 7000fdwu

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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