2021-08-13 17:32:14 UPDATED: (M3.9) Andreanof Islands, Aleutian Islands, Alaska 52.1 -173.5 (1cbfb)

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M3.9 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report
Magnitude 3.9
Date-Time
  • 13 Aug 2021 17:32:15 UTC
  • 13 Aug 2021 07:32:15 near epicenter
  • 13 Aug 2021 09:32:15 standard time in your timezone
Location 52.132N 173.511W
Depth 118 km
Distances
  • 47.8 km (29.6 mi) E of Atka, Alaska
  • 1495.0 km (926.9 mi) SSE of Anadyr, Russia
  • 1724.9 km (1069.5 mi) ESE of Klyuchi, Russia
  • 1750.1 km (1085.1 mi) SW of Anchorage, Alaska
  • 1771.1 km (1098.1 mi) SW of Eagle River, Alaska
Location Uncertainty Horizontal: 12.4 km; Vertical 19.3 km
Parameters Nph = 45; Dmin = 174.9 km; Rmss = 1.10 seconds; Gp = 192°
Version =
Event ID us 6000f5rq ***This event supersedes event AK021ace7qoj.

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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