2021-07-11 17:04:37 UPDATED: (M4.9) Andreanof Islands, Aleutian Islands, Alaska 51.8 -176.0 (1cbfb)

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M4.9 Earthquake - Andreanof Islands, Aleutian Islands, Alaska

Preliminary Report
Magnitude 4.9
Date-Time
  • 11 Jul 2021 17:04:37 UTC
  • 11 Jul 2021 07:04:37 near epicenter
  • 11 Jul 2021 09:04:37 standard time in your timezone
Location 51.770N 175.952W
Depth 59 km
Distances
  • 48.4 km (30.0 mi) ESE of Adak, Alaska
  • 1492.2 km (925.2 mi) SSE of Anadyr, Russia
  • 1593.0 km (987.7 mi) ESE of Klyuchi, Russia
  • 1725.0 km (1069.5 mi) ESE of Petropavlovsk-Kamchatsky, Russia
  • 1741.5 km (1079.7 mi) ESE of Yelizovo, Russia
Location Uncertainty Horizontal: 7.3 km; Vertical 4.3 km
Parameters Nph = 182; Dmin = 24.0 km; Rmss = 1.10 seconds; Gp = 86°
Version =
Event ID us 6000eues ***This event has been revised.

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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