This theory concluded that the Philippines was a result of the eruptions of submarine volcanoes along the western side of the Pacific basin.

This theory explains that the Philippines was formed by the movement of Earth's crust.

This theory explains that the Philippines was connected to the mainland Asia through land connectors.

Philippine islands were located directly above a fault in the earths crust. Powerful earthquakes pushed up the landmass from the ocean floor.

Philippine islands are the remains of the what was once a continent during the prehistoric period. This continent submerged in water.