Magnitude 4.7 quake jolts Zambales — Phivolcs

At a glance


A 4.7-magnitude earthquake jolted Zambales on Thursday noon, March 16, said the Philippine Institute of Volcanology and Seismology (Phivolcs).

Phivolcs said the quake struck 13 kilometers northeast of Masinloc, Zambales around 12:21 p.m.

The tremor was felt at Intensity IV (moderately strong) in Alaminos City and Binalonan, Pangasinan and San Fernando City, Pampanga and Intensity III (weak) in Mandaluyong City, Quezon City, Taguig City, and Infanta, Aguilar and Villasis, Pangasinan.

It was “slightly felt” at Intensity II in Makati City, Baguio City, Bacnotan in La Union, Bolinao, Calasiao, Santa Barbara and Dagupan City in Pangasinan, Bocaue in Bulacan, and Bamban in Tarlac, and “scarcely perceptible” at Intensity I in Malabon City, Manila City, Marikina City, Navotas City, Pasay City, Pateros in Metro Manila and Santa Maria in Bulacan.

Phivolcs’ instruments also measured the quake at Intensity III in Infanta, Pangasinan; Lucena City, Quezon; Santa Ignacia, Tarlac; and Iba and Cabangan in Zambales; Intensity II in Orani, Bataan; Santol, La Union; Bamban and Tarlac City in Tarlac; and Olongapo City, Zambales; and Intensity I in Dinalupihan and Abucay in Bataan; Obando, Malolos City, Plaridel, Calumpit, and San Ildefonso in Bulacan; Roxas City, Capiz; Tagaytay City, Cavite; Vigan City, Ilocos Sur; Pasay City; Marikina City; San Jose and Gapan City in Nueva Ecija; Guagua and Magalang in Pampanga; Urdaneta and Bolinao in Pangasinan; Ramos, Tarlac; and Subic, Zambales.

Phivolcs said the earthquake was likely generated by the movement of the Dasol Fault but did not discount the possibility that an unnamed fault triggered the tremor.

It said the earthquake may have caused damage to houses, buildings, and other infrastructures, but it does not expect aftershocks to occur.