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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 and runs through the provinces of Rizal, and the Metro Manila cities of Quezon, Marikina, Pasig, Taguig and Muntinlupa, and the provinces of Cavite and Laguna that ends in ...
The Philippine Fault System is a major inter-related system of geological faults throughout the whole of the Philippine Archipelago, [ 1 ] primarily caused by tectonic forces compressing the Philippines into what geophysicists call the Philippine Mobile Belt. [ 2 ] Some notable Philippine faults include the Guinayangan, Masbate and Leyte faults.
The Manila Trench is an oceanic trench in the Pacific Ocean, located west of the islands of Luzon and Mindoro in the Philippines. The trench reaches a depth of about 5,400 metres (17,700 ft), [ 8 ] in contrast with the average depth of the South China Sea of about 1,500 metres (4,900 ft). It is created by subduction, in which the Sunda Plate ...
The direction of triangles represents the direction of subduction. The subduction tectonics of the Philippines is the control of geology over the Philippine archipelago. The Philippine region is seismically active and has been progressively constructed by plates converging towards each other in multiple directions. [ 1 ]
In Metro Manila the estimated hazard has a mean PGA of 0.32 g for a PoE of 10% in 50 years. The main hazard comes from shallow fault sources, such as the Marikina Valley Fault System, but there is an important contribution to the overall hazard from the Manila subduction zone to the west and the potential for strong shaking from earthquakes ...
In 1993, the Japan International Cooperation Agency (JICA) conducted a study on the proposed urban expressway system in Metro Manila. The master plan for the planned network meant to have 150 kilometers (93 mi) of expressways included the proposed Central Circumferential Expressway that would follow the old C-5 alignment from Navotas to ...
The event was a result of strike-slip movements along the Philippine Fault and the Digdig Fault within the Philippine Fault System. The earthquake's epicenter was near the town of Rizal, Nueva Ecija, northeast of Cabanatuan. [6] An estimated 1,621 people were killed, [7] [8] most of the fatalities located in Central Luzon and the Cordillera region.
The earthquake was felt strongly in Metro Manila, where minor damage to a hospital and several other buildings were reported. [65] [66] The earthquake prompted the Manila Metro Rail Transit System to suspend service during rush hour. [65] Operations resumed at 10:12 a.m, with the exception of LRT Line 2 due to inspections. [67]