There are five active fault lines in the country namely the Western Philippine Fault, the Eastern Philippine Fault, the South of Mindanao Fault, Central Philippine Fault and the Marikina/Valley Fault System.
What are the five active faults found in our country?
There are five active fault lines in the country, these are the Western Philippine Fault, the Eastern Philippine Fault; the South of Mindanao Fault, the Central Philippine Fault, and the most famous one the Marikina Valley Fault or the West Valley Fault.
What are the 5 active faults surrounding Mindanao?
The active faults that affect Cotabato are M’lang fault, Makilala-Malungon fault, North Columbio fault, South Columbio fault, and the western extension of the Mindanao fault (Cotabato-Sindangan fault). “Cotabato Trench is also a major source of earthquakes which can affect the region.
What is the big one in Philippines?
The “Big One” is a worst-case scenario of a 7.2-magnitude earthquake from the West Valley Fault, a 100-kilometer fault that runs through six cities in Metro Manila and nearby provinces. A tsunami is also foreseen in the scenario set by the Philippine Institute of Volcanology and Seismology (PHIVOLCS).
Where are active faults located?
Location. Active faults tend to occur in the vicinity of tectonic plate boundaries, and active fault research has focused on these regions. Active faults tend to occur less within the area of any given plate. The fact that intraplate regions may also present seismic hazards has only recently been recognized.