Tag page - Manila Trench

The magnitude 5 earthquake that struck Zambales on Saturday evening, Oct. 11, was possibly caused by the movement along the Manila Trench, the Philippine Institute of Volcanology and Seismology (Phivolcs) said. This means the recent earthquakes in Cebu, La Union, and Davao are not connected, as...

The Office of Civil Defense (OCD) directed its regional offices in Ilocos (Region 1), Cagayan Valley (Region 2), and Central Luzon (Region 3) to create a comprehensive tsunami evacuation plan in light of the movement of the Manila Trench that triggered an earthquake swarm. The OCD said Saturday,...

Phivolcs The series of offshore earthquakes in Ilocos Sur has significantly decreased following a peak on Dec. 19 to 20, said the Philippine Institute of Volcanology and Seismology (Phivolcs) on Sunday, Dec. 22. Phivolcs said it began monitoring a series of earthquakes in the Manila Trench offshore...