what are the different faults found in the philippines
Philippine Fault System The Philippine Fault Zone (PFZ) extends 1200 km across the Philippine archipelago behind the convergent boundary of the Philippine Trench and the subduction of the Philippine Sea Plate.[3] This left-lateral strike-slip fault extends NW-SE (N30 – 40 W) accommodating the lateral oblique motion of the subducting Philippine Sea Plate with respect to the Philippine Trench.[4][3] It extends from Davao Gulf in the south, bisects the Caraga region at the Agusan River basin, crosses to Leyte and Masbate islands, and traverses Quezon province in eastern Luzon before passing through Nueva Ecija up to the Ilocos region in northwest Luzon. The northern and southern extensions of the PFZ are characterized by branching faults due to brittle terminations. These horsetail faults are indicative of the lateral propagation and further development of the PFZ. The fault’s current activity can be observed in Holocene sandstone outcrops on the Mati and Davao Oriental islands.[5] The fault experiences a slip rate of approximately 2-2.5 cm/year.[6]
Flag of the Philippines The Philippine national flag has a rectangular design that consists of a white equilateral triangle, symbolizing liberty, equality, and fraternity; a horizontal blue stripe for peace, truth, and justice; and a horizontal red stripe for patriotism and valor. In the center of the white triangle is an eight-rayed golden sun symbolizing unity, freedom, people's democracy, and sovereignty. Each ray represents a province with significant involvement in the 1896 Philippine Revolution against Spain; these provinces are Manila, Bulacan, Cavite, Pampanga, Bataan, Laguna, Batangas, and Nueva Ecija (some sources specify other provinces as alternatives to some of these[a]).[8][9] Three five-pointed stars, one for each of the triangle's points, stand for the three major islands where the revolution started: Luzon, Visayas and Mindanao.