An earthquake with a magnitude of 5.4 jolted Cagayan around 12:36 p.m. on Sunday, Feb. 13, the Philippine Institute of Volcanology and Seismology (Phivols) said.
The epicenter of the quake was traced 16 kilometers (km) northwest of Dalupiri Island, Calayan, Cagayan. It was tectonic in origin, which means that it was caused by the movement of an active fault near the area.
In its bulletin issued at 2:01 p.m., Phivolcs revised and updated its reported intensities.

The quake was felt as a “strong shaking” at Intensity V in Dalupiri Island and Calayan, Cagayan, while it was “moderately strong” at Intensity IV in Claveria, Sanchez-mira, Pamplona, and Abulug, Cagayan; Luna, and Flora, Apayao; Pasuquin, Batac, Bangui, Burgos, and Pagudpud, Ilocos Norte.
It was also recorded as a “weak tremor” at Intensity III in Bacarra, Laoag City, and Vintar, Ilocos Norte; Tuguegarao City; Allacapan, and Appari, Cagayan.
Intensity II was recorded in Dingras, and Paoay, Ilocos Norte; Sinait, San Juan, and Magsingal, Ilocos Sur, while Intesity I was traced in Vigan City, and Bantay Ilocos Sur.
Phivolcs likewise disclosed that an instrumental Intensity IV was also recorded in Pasuquin, Ilocos Norte, Intensity III in Laoag City, Ilocos Norte, Intensity II in Sinait, Ilocos Sur; Peñablanca, and Gonzaga, Cagayan, and Intensity I in Vigan, Ilocos Sur.
Residents of the aforementioned areas were advised to remain vigilant as aftershocks are likely to occur due to this quake.