Marikina Valley Fault Line ‘ripe for movement’ – Phivolcs

MANILA, Philippines — The Philippine Institute of Volcanology and Seismology (Phivolcs) said Wednesday that the Marikina Valley Fault Line, the country’s main fault line which is capable of triggering
a 7.2-magnitude earthquake, “is now ripe for movement.”

During a Senate hearing, Phivolcs Deputy Director Bartolome Bautista said the Philippines should expect the Marikina Fault line to move “anytime from now.”

“Ripe na gumalaw ang fault. Napakataas ng probability na gumalaw ito in the future. Hindi lang natin masabi ang exact date and time,” Bautista told the committee during the hearing. (“The fault is now ripe for movement. There is a high probability that it would move in the future. We just can’t predict the exact date and time.”)

The Marikina fault line runs from Sierra Madre to Tagaytay City. According to Bautista, the fault line moves every 200 to 400 years. It moved 200 years ago.

“Pumapasok na siya sa recurrence time, pasok sa cycle. Iba-iba yung pag-uugali ng faults,” Bautista added. (“It fits the recurrence time, it fits the cycle, but its movements varies.”)

Meanwhile, senators urged Public Works and Highways officials to ensure that the Skyway and other major buildings and infrastructures in the National Capital Region (NCR) are earthquake-resilient.

In a joint hearing of the Senate Committees on Climate Change and Environment and Natural Resources, Senators Juan Miguel Zubiri and Loren Legarda expressed concerns over the apparent lack of awareness and preparation of local communities in the event of a massive earthquake and tsunami.

This disclosure prompted Zubiri to ask DPWH officials to prioritize the Metro Manila’s Skyway system, which serves the South Luzon Expressway, (SLEX) in its inspection.

Article source: Manila Bulletin Newspaper Online

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