Marikina Fault Line

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Marikina Fault Line, also known as the Marikina Valley fault line, is a long planal fracture that courses through the Sierra Madre mountains, Bulacan, east of Metro Manila, Rizal and Tagaytay City in the Philippines.

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Location

The shift begins in the Nueva Ecija part of the Sierra Madre mountain ranges. It then cuts through parts of Bulacan area, the whole vicinity of Marikina, Pasig, Rizal, some parts of Makati and Taguig and Santa Rosa, Laguna. It ends in Tagaytay.

Earthquake Prediction

In 2009, the United Nations advised the Philippine government to prepare for an upcoming earthquake that will be caused by the Marikina fault line. According to a 2004 report by the Earthquake and Megacities Initiative (EMI), a high-magnitude earthquake is certain to take place in the country. However, experts could not determine when the quake will take place.

Still according to the report, due to the fault line's location, the death toll may reach 35,000 people with 120,000 injured and 175,000 demolished buildings throughout the city. With this in mind, this particular fault line in the Philippines has become a primary concern of the Philippine government and the Filipino people.

Philippine Institute of Volcanology and Seismology or PHIVOLCS predicted that the Marikina Fault Line could cause an intensity 7.2 earthquake throughout the National Capital Region (NCR).

Preparation

Currently, with the help of EMI, PHIVOLCS has set up a monitoring station to watch and scrutinize every movement of the Marikina fault line by using Global Positioning System (GPS) and various seismographs.

The government declared a five-kilometer buffer zone on the fault line, which includes all areas prone to the upcoming disaster. Local government officials are being encouraged to enforce a land-use program for all locations in the danger zone.

PHIVOLCS has also started to distribute earthquake preparedness guidelines to further educate the people on what to do prior, during and after an earthquake.

References

Citation

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