(Eagle News)—A 6.1-magnitude earthquake struck Zambales on Monday, April 22, the Philippine Institute of Volcanology and Seismology said in an updated advisory.

The quake, which was of tectonic origin, hit 18 kilometers northeast of Castillejos at 5:11 p.m.

The depth of focus of the quake was 12 kilometers.

The following intensities were reported:

Intensity V -San Felipe, Zambales; Malolos and Obando, Bulacan; Quezon City; Lipa, Batangas; Manila City; Abucay, Bataan; Valenzuela City; Magalang, Pampanga

Intensity IV – Pasig City; Makati City; Caloocan City; Meycauayan and San Jose Del Monte, Bulacan; Floridablanca, Pampanga; Villasis, Pangasinan; Tagaytay City; Villasis, Pangasinan;

Baguio City; Marikina City; Las Pinas City

Intensity III – Dasmarinas, Indang and Gen. Trias, Cavite; Lucban, Quezon; Muntinlupa City; Cabanatuan City; Palayan City; Gapan City; Santo Domingo and Talavera, Nueva Ecija

Intensity II – Baler, Aurora

The following instrumental intensities were felt:

Intensity V – Angeles City; Malolos, Bulacan;

Intensity IV – Quezon City; San Juan City; Pasig City; Muntinlupa City; Gapan City; Cabanatuan City; Tagaytay City; San Ildefonso, Bulacan

Intensity III – Mauban, Quezon; Talisay, Batangas; Guagua, Pampanga; Olongapo City

Intensity II – Lucena City; Dolores and Lucban, Quezon; Dagupan City; Daet, Camarines Norte

Intensity I – Guinayangan, Quezon; Calatagan, Batangas; Magalang, Pampanga; Sinait, Ilocos Sur

Damage to property and aftershocks were expected.