Answers

2014-08-29T20:10:40+08:00
Marikina Valley Fault
Western Philippine Fault
Central Philippine Fault
Southern of Mindanao Fault ?
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2014-08-30T10:44:22+08:00
The major fault lines are those trenches running along the eastern region of the Philippines (Surigao, Samar, Bicol, Quezon, Isabela). 

In Kalinga Province, two major fault lines pass through a northeasterly direction from Mountain Province to Tinglayan -- Mountain Mosimos-Lubuagan-Pasil-Balbalan. Another one passes through the same route from the corner boundary of Mountain Province and Abra to Tinglayan-Lubuagan and ends at Gobgob, Tabuk. 

Marikina City is also lying on a major fault line. Another major fault lines traverse the municipalities of Sogod, Libagon, St. Bernard and San Juan to Panaon Island in Leyte.
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