also known as the Marikina Valley fault is a fault line in the Philippines that spans across Luzon over multiple barangays and cities. This fault line has the potential to cause a devastating earthquake that could kill thousands and injure millions of people. Studies have shown that it could happen in the near future. 

The Valley Fault System comprises of two major fault lines

As Filipinos, we must be prepared for disasters that may arise in the future, and The Big One could be very devastating.