2025-07-29 10:50:45 (M4.4) Mariana Islands region 21.6 143.4 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.4 Earthquake - Mariana Islands region

Preliminary Report

Magnitude	4.4
Date-Time	Universal Time (UTC): 29 Jul 2025 10:50:46 Time near the Epicenter (1): 29 Jul 2025 20:50:46 Time in your area (1): 29 Jul 2025 02:50:46
Location	21.581N 143.432E
Depth	276 km
Distances	746.3 km (462.7 mi) NNW of Saipan, Northern Mariana Islands 767.5 km (475.9 mi) NNW of San Jose Village, Northern Mariana Islands 903.7 km (560.3 mi) N of Yigo Village, Guam 904.8 km (561.0 mi) N of Dededo Village, Guam 907.1 km (562.4 mi) N of Tamuning-Tumon-Harmon Village, Guam
Location Uncertainty	Horizontal: 10.9 km; Vertical 8.4 km
Parameters	Nph = 90; Dmin = 623.5 km; Rmss = 0.69 seconds; Gp = 116° Version =
Event ID	us 6000qvww

(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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