West Valley Fault

Did you know that the Philippines sits on a complex network of active fault lines? One of the most significant is the Philippine Fault, a massive strike-slip system stretching over 1,200 kilometers from Luzon down to Mindanao.

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This geological giant is responsible for many of the country’s strongest earthquakes, quietly shaping the landscape over thousands of years. Beyond this major fault, the archipelago is also intersected by other active systems such as the West Valley Fault, Eastern Visayas Fault, and the Cotabato Fault System—each contributing to the country’s earthquake activity.

With this intricate underground framework, it’s no wonder the Philippines ranks among the world’s most seismically active areas.

Source:
Phivolcs/Wikipedia/DOST