A magnitude 4.8 earthquake, originating from tectonic activity, struck off the coast of Palauig, Zambales at 2:26 AM on Sunday, December 29, 2025.
The earthquake's epicenter was located 12 kilometers northwest of Palauig at a depth of 30 kilometers.
Intensity III tremors were felt in Masinloc, Iba, and Botolan, Zambales.
Intensity I shaking was recorded in San Marcelino, Zambales; Calumpit, Bulacan; Rizal, Nueva Ecija; Santa Ignacia, Tarlac; and the cities of Navotas and Malabon.
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) has not reported any expected damage or likelihood of aftershocks.
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