Phivolcs: Nothing to worry about quakes

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Tuesday, November 20, 2012


PHILIPPINE Institute of Volcanology and Seismology (Phivolcs)–Baguio Engineer Salvador Cesario said the three recent earthquakes felt in the city this month are not destructive quakes.
  
The latest was the 4.0-magnitude quake in Tuba around 9:18 a.m. in November 16 with a depth of 21 kilometers and of tectonic origin.

He said earthquakes are naturally occurring in the country, which lies in the Pacific Ring of Fire, where there is a high concentration of active faults and continental plate movements.
  
He said some earthquakes are hardly felt by people but mostly those who are indoors and those in higher elevations such as Baguio feel the ground movements.
  
Classes were suspended in some schools in the city after the quake last Friday. No major damages were recorded.
  
The Phivolcs official also added they mapped out all areas with possible faults and identified four minor faults such as the Mirador, San Vicente, Loakan and Burnham in Baguio.
  
But there are also other faults near Baguio such as the Bued and Itogon faults which can trigger magnitude-5.0 earthquakes.
  
These faults, he said, are not as active and destructive as the Digdig fault or the Luzon fault which triggered the 1990 Luzon earthquake.
  
He said local governments should enforce safety standards in building constructions especially on areas near faults to prevent the loss of lives during strong tremors.

He added the Building Code of the Philippines, revised after the Luzon earthquake, strictly enforces building stability and structural standards to prevent infrastructures from collapsing during destructive earthquakes.

Published in the Sun.Star Baguio newspaper on November 20, 2012.

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