Marikina Valley Fault System
| Site of Special Scientific Interest | |
A Canlubang Golf and Country Club faultline zone
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 Location within Metro Manila
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| Area of Search | Metro Manila |
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| Coordinates | 0°00′00″N 100°00′00″E / 0°N 100.00000°E |
| Interest | Seismic |
| Area | Marikina City, Rodriguez, Rizal |
| Notification | May 18, 2015 |
The Marikina Valley Fault System, also known as the Valley Fault System (VFS), is a dominantly dextral strike-slipfault system in Luzon, Philippines. It extends from Dingalan, Aurora in the north and runs through the provinces of Nueva Ecija, Bulacan and Rizal, and the Metro Manila cities of Quezon, Marikina, Pasig, Makati, Parañaque, Taguig and Muntinlupa, and the provinces of Cavite and Laguna that ends in Canlubang.
The fault contains two major segments, known as West Valley Fault (WVF) and East Valley Fault (EVF).
The west segment, known as the West Valley Fault (WVF) is one of the two major fault segments of the Valley Fault System which runs through the cities of Marikina, Pasig and Muntinlupa of 100 kilometers when the fault moves. and moves in a dominantly dextral strike-slip motion. The West Fault is capable of producing large scale earthquakes on its active phases with a magnitude of 7 or higher.
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Wikipedia