2023-02-20 17:47:46 (M4.5) Alamagan region, Northern Mariana Islands 17.6 145.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - Alamagan region, Northern Mariana Islands

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 20 Feb 2023 17:47:46 Time near the Epicenter (1): 21 Feb 2023 04:47:46 Time in your area (1): 20 Feb 2023 09:47:46
Location	17.634N 145.521E
Depth	336 km
Distances	269.1 km (166.9 mi) N of Saipan, Northern Mariana Islands 295.2 km (183.0 mi) N of San Jose Village, Northern Mariana Islands 458.5 km (284.3 mi) N of Yigo Village, Guam 461.3 km (286.0 mi) N of Dededo Village, Guam 465.6 km (288.7 mi) N of Tamuning-Tumon-Harmon Village, Guam
Location Uncertainty	Horizontal: 12.0 km; Vertical 8.4 km
Parameters	Nph = 92; Dmin = 452.6 km; Rmss = 0.72 seconds; Gp = 101° Version =
Event ID	us 6000jqdg

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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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