2021-05-17 20:25:08 UPDATED: (M5.5) Rat Islands, Aleutian Islands, Alaska 51.2 179.5 (70fa9)

M5.5 Earthquake - Rat Islands, Aleutian Islands, Alaska

Preliminary Report

Magnitude	5.5
Date-Time	17 May 2021 20:25:09 UTC 17 May 2021 10:25:09 near epicenter 18 May 2021 01:55:09 standard time in your timezone
Location	51.236N 179.468E
Depth	31 km
Distances	279.5 km (173.3 mi) WSW of Adak, Alaska 1346.2 km (834.6 mi) ESE of Klyuchi, Russia 1434.1 km (889.2 mi) ESE of Petropavlovsk-Kamchatsky, Russia 1450.8 km (899.5 mi) ESE of Vilyuchinsk, Russia 1452.1 km (900.3 mi) ESE of Yelizovo, Russia
Location Uncertainty	Horizontal: 7.9 km; Vertical 4.8 km
Parameters	Nph = 112; Dmin = 136.3 km; Rmss = 1.19 seconds; Gp = 88° Version =
Event ID	us 7000e3x8

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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