2021-04-08 15:02:47 (M4.2) Andreanof Islands, Aleutian Islands, Alaska 52.9 -173.4 (1cbfb)

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M4.2 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report
Magnitude 4.2
Date-Time
  • 8 Apr 2021 15:02:48 UTC
  • 8 Apr 2021 05:02:48 near epicenter
  • 8 Apr 2021 07:02:48 standard time in your timezone
Location 52.922N 173.390W
Depth 211 km
Distances
  • 97.7 km (60.6 mi) NE of Atka, Alaska
  • 1413.5 km (876.4 mi) SSE of Anadyr, Russia
  • 1683.7 km (1043.9 mi) SW of Anchorage, Alaska
  • 1695.9 km (1051.5 mi) ESE of Klyuchi, Russia
  • 1704.6 km (1056.9 mi) SW of Eagle River, Alaska
Location Uncertainty Horizontal: 9.0 km; Vertical 7.6 km
Parameters Nph = 135; Dmin = 97.1 km; Rmss = 0.78 seconds; Gp = 122°
Version =
Event ID us 6000e005

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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