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The Marikina Valley fault system, also known as the Valley fault system (VFS), is a dominantly right-lateral strike-slip fault system in Luzon, Philippines. [2] It extends from Doña Remedios Trinidad, Bulacan in the north, running through the provinces of Rizal, the Metro Manila cities of Quezon, Marikina, Pasig, Taguig and Muntinlupa, and the provinces of Cavite and Laguna, before ending in ...
{{Information |Description = Marikina Valley overlooking from Katipunan, Quezon City |Source = Taken using my own camera |Date = 02-17-2020 |Author = patrickroque01 |other_versions = }} File usage No pages on the English Wikipedia use this file (pages on other projects are not listed).
Valley fault system is the common name for fault systems in valleys and basins including: Marikina Valley fault system; Independence Valley fault system;
The Quaternary Mt. Parker volcano is located at the western end of this fault and, on radar images, seems to be cut by the fault and terraces formed by Quaternary limestone mark the Daguma Range. These, together with the young morphology of incised river valleys, suggests a young age for the fault along which the Daguma Range was uplifted.
The High area western part of the Barangay is the edge of the Guadalupe plateau where most of Quezon City lies while the lower area, the eastern side of Barangay lies at the west bank of the Marikina River. Lying directly on the Marikina fault line, Bagong Silangan is considered as a high risk area for earthquake. [1]
On Luzon, the fault zone splays out into a number of different faults, including the Digdig Fault. One of the largest historical earthquake on the fault zone was the 1990 Luzon M s 7.8 event that left nearly 2,000 people dead or missing. The same part of the fault zone is thought to have ruptured in the 1645 Luzon earthquake. [7]
The watershed of the Marikina River tributary mostly occupies the Marikina Valley, which was formed by the Marikina Fault Line. The Manggahan Floodway is an artificially constructed waterway that aims to reduce the flooding in the Marikina Valley during the rainy season, by bringing excess water to Laguna de Bay.
The west segment of the Marikina Valley Fault System, the West Valley Fault (WVF) cuts through parts of Muntinlupa [27] and moves in a predominantly dextral strike-slip motion. [28] The West Valley Fault is capable of producing large scale earthquakes on its active phases with a magnitude of 7 or higher. [27]