2026-05-28 17:57:19 (M4.7) Guam region 12.4 143.5 (90be5)

M4.7 Earthquake - Guam region

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 28 May 2026 17:57:19 Time near the Epicenter (1): 29 May 2026 03:57:19 Time in your area (1): 28 May 2026 09:57:19
Location	12.438N 143.522E
Depth	36 km
Distances	154.5 km (95.8 mi) SW of Merizo Village, Guam 178.1 km (110.4 mi) SW of Mangilao Village, Guam 179.3 km (111.2 mi) SW of Tamuning, Guam 179.3 km (111.2 mi) SW of Tamuning-Tumon-Harmon Village, Guam 186.2 km (115.5 mi) SW of Dededo Village, Guam
Location Uncertainty	Horizontal: 12.3 km; Vertical 7.8 km
Parameters	Nph = 56; Dmin = 394.4 km; Rmss = 0.61 seconds; Gp = 120° Version =
Event ID	us 7000sp4x

(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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