2025-12-18 07:27:47 (M5.5) Babuyan Islands region, Philippines 19.9 121.2 (70fa9)

M5.5 Earthquake - Babuyan Islands region, Philippines

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 18 Dec 2025 07:27:47 Time near the Epicenter (1): 18 Dec 2025 15:27:47 Time in your area (1): 18 Dec 2025 12:57:47
Location	19.907N 121.243E
Depth	40 km
Distances	96.9 km (60.1 mi) SW of Basco, Philippines 144.8 km (89.8 mi) N of Claveria, Philippines 176.6 km (109.5 mi) NNW of Aparri, Philippines 201.0 km (124.6 mi) NNW of Magapit, Philippines 258.6 km (160.3 mi) NNW of Tuguegarao, Philippines
Location Uncertainty	Horizontal: 11.6 km; Vertical 9.5 km
Parameters	Nph = 32; Dmin = 322.5 km; Rmss = 0.78 seconds; Gp = 106° Version =
Event ID	us 6000rvmn

(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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