Living on the Ring of Fire – Earthquakes in the Philippines

Living with Disaster in the Philippines

I have publicly joked from time to time about why I moved to a country that is exposed to so many natural disasters that include tropical storms and super typhoons, monsoon rains and flooding, mudslides and landslides, tsunamis, and earthquakes. It is also a country that is home to around 50 listed volcanoes, 25 of them still active (Wikipedia). My answer: To escape all them darned tornadoes! (We migrated from Mississippi.) All joking aside, one should be prepared for anything when living here in the Philippines. Since moving here in July of 2013, we have had a few typohoons come through the neighborhood, and thankfully we only experienced tropical storm strength winds and some heavy rains. As far at the Earth moving, we have felt only two small earthquakes that were barely noticeable. I’m sure we have experienced many more small tremors that we never felt. Earthquakes are part of life living on the “Ring of Fire”, in any number of Pacific rim countries. Last week (Feb 2017), a magnitude 6.7 earthquake struck the area in Surigao del Norte, Mindanao, and 10 lives were lost and many structures and homes were damaged or destroyed.

The following is a reprint of an article which appeared online at Philippine Lifestyle News.

Manila: Prepare for “the big one” says top Philippine earthquake expert

© Ervin Malicdem, 2015.

Earthquake experts have warned the people of Metro Manila to prepare for “the big one” amid fears that a massive 7.2 quake could be imminent.

Following the devastation caused by the Surigao quake last week, the Philippine Institute of Vulcanology and Seismology (Phivolcs) has expressed concerns about possible movements on the West Valley Fault, which runs beneath the city.

(For more on the Surigao quake, see here and here.)

Phivolcs director Renato Solidum has urged residents of Metro Manila and nearby areas to be prepared for a devastating quake that could kill thousands.

“Everyone must learn from the recent effects of the magnitude 6.7 earthquake in Surigao del Norte,” he said. “If a similar event happens in a highly urbanised area, the effects can be more devastating.”

Scientists at Phivolcs have long been warning that the West Valley Fault is overripe for dramatic activity.

The fault, Mr Solidum said, tends to move every 400 years or so. The last major quake along the fault was in 1658 — or 357 years ago.

Source: Google Images

“Therefore, fault can move within our generation,” he said. “But to say exactly when this will move, there is no evidence to use, for us to to say exactly when.”

However, although it’s impossible to predict an exact date, Mr Solidum said preparations should start now. “That means that there are some buildings which need to be inspected and evaluated and retrofitted and that is a massive endeavour.

“If we do not start doing this, we cannot make the number of casualties much less that what can be expected.”

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The 62-mile fault runs beneath the cities and towns of Bulacan, Rizal, Metro Manila, Cavite and Laguna.

A 2004 study, conducted with the assistance of Japanese seismologists, demonstrated how a magnitude 7.2 quake could kill up to 34,000 people and injure untold others, while causing calamitous damage to buildings and infrastructure.

Solidum said that the recent movement of the Philippine Fault — which caused last week’s Surigao quake — would not directly trigger West Valley Fault due to the distance involved.

Source: Google Images

Some of the damage caused by last Friday’s Surigao earthquake.

Monitors at Phivolcs are continuing to record aftershocks from the magnitude 6.7 Surigao quake, which killed at least 10 people and destroyed hundreds of homes.

Crucial infrastructure was also wrecked, and the city’s airport is expected to be out of action until at least next month due to a severely damaged runway.

As of yesterday morning, there had been more than 150 aftershocks. One of the latest, at about 4am yesterday, was magnitude 4.1. Further shocks are expected, which could pose a danger to people near weakened buildings.

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4 thoughts on “Living on the Ring of Fire – Earthquakes in the Philippines

  1. maybe a small trimer once in awhile. but thankfully haven’t had to deal with a snow storm here in sorsogon this winter…..

  2. Here in our little corner of the Philippines, we don’t really need to worry about typhoons so much, but the rest of the things are all real. No tornadoes though, those things are wicked scary. Since I’ve been here in the PI, almost 7 years now, we’ve had 2, maybe 3 noticeable earthquakes. Nothing strong enough to knock anything off the wall though. Our biggest problem is a human problem, the electrical system is not near as good as it could be. Brownouts (blackouts), power surges and power glitches happen often. Other than that, it’s not so bad living here. I do miss Texas quite often, but I get to visit sometimes.

  3. I get a kick out of the expert that says the fault line moves every 400 years or so. Maybe he has some insight on Global Warming err Climate Change.

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