What is Marikina Fault Line?
The Valley Fault System is a group of dextral strike-slip fault that stretches from the San Mateo, Rizal to the Taguig City on the south. It was formerly known as the Marikina Valley Fault System. It runs through various cities which includes Makati, Paranaque, Marikina, Pasig and Taguig. It has a power of threat of large scale earthquake within the Manila Metropolitan area. The fault contains the two divisions known as the West Valley Fault or West Marikina Fault and East Valley Fault or East Marikina Fault.