Magnitude-5.4 earthquake jolts Pagudpud, Ilocos Norte

MANILA, Philippines – A magnitude 5.4 earthquake hit Ilocos Norte on Wednesday, February 7, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported.

The tremor, happened at 12:05 PM, was initially measured by Phivolcs at 5.9-magnitude.

The quake struck at a depth of 30 kilometers about 15 kilometers northwest of Pagudpud in Ilocos Norte.

Phivolcs said the earthquake was of tectonic origin.

Reported Intensities:

Intensity V - Adams, Bacarra, Bangui, Burgos, Dingras, Dumalneg, City of Laoag, Pagudpud, Pasuquin, Sarrat, and Vintar, ILOCOS NORTE; Lacub, ABRA;

Intensity IV - Magsingal, ILOCOS SUR

Intensity III - City of Ilagan, ISABELA

Intensity II - Peñablanca, CAGAYAN

Instrumental Intensities:

Intensity VI - Pasuquin, ILOCOS NORTE

Intensity V - City of Laoag, ILOCOS NORTE

Intensity IV - Sinait, and City of Vigan, ILOCOS SUR; Claveria, CAGAYAN

Intensity III - Gonzaga, CAGAYAN; City of Ilagan, ISABELA

Intensity II - Solsona, ILOCOS NORTE; Peñablanca, CAGAYAN

Reported intensity is the traditional way of knowing the intensity based on reports of people who felt the earthquake. Instrumental intensity, on the other hand, is measured using an intensity meter that measures ground acceleration.

Phivolcs said aftershocks and damage are expected from the quake.

— The Summit Express