2018-09-20 04:55:33 (M5.4) Alamagan region, Northern Mariana Islands 17.0 145.8 (70fa9)

M5.4 Earthquake - Alamagan region, Northern Mariana Islands

Preliminary Report

Magnitude	5.4
Date-Time	20 Sep 2018 04:55:33 UTC 20 Sep 2018 14:55:33 near epicenter 20 Sep 2018 10:25:33 standard time in your timezone
Location	17.015N 145.786E
Depth	209 km
Distances	199.6 km (123.7 mi) N of Saipan, Northern Mariana Islands 227.2 km (140.9 mi) N of San Jose Village, Northern Mariana Islands 396.9 km (246.1 mi) NNE of Yigo Village, Guam 400.1 km (248.1 mi) NNE of Dededo Village, Guam 405.0 km (251.1 mi) NNE of Tamuning-Tumon-Harmon Village, Guam
Location Uncertainty	Horizontal: 10.8 km; Vertical 9.2 km
Parameters	Nph = 51; Dmin = 196.2 km; Rmss = 1.01 seconds; Gp = 75° Version =
Event ID	us 2000hheu

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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