Largescale digital mapping of the philippine fault zone based on aerial. Over 400 makati homes must move away from fault line. The 100kilometer fault traverses parts of bulacan through quezon city, marikina, makati, pasig, taguig and muntinlupa in metro manila. Phivolcs launched a map or a valley fault system vfs atlas to help the individual to determine if their location is located in the fault. West valley fault running through bulacan, rizal, metro manila, cavite, and laguna. This web app is a product of the joint collaboration between the philippine institute of volcanology and seismology phivolcs, philippines and geological survey of japan gsj, japan. At present, approximately 90% of onlandstretch of the pfz has been mapped.
Interactive map for the west and east valley fault line on. New phivolcs atlas shows detailed view of quake fault. According to united states geological center usgs the. Active faults and trenches in the philippines active faults and trenches in the philippines click to enlarge the phivolcs has previously stated in 2011 that the west valley fault is ripe for movement, and that it could possibly. The vfs is an active fault system composed of two fault segments. High resolution west valley fault maps launched rappler. The last major movement of the west valley fault was recorded.
Phivolcs handed copies of the valley fault atlas, a handbook of largescale maps, to local government officials to make sure that areas traversed by active faults are avoided as sites of houses and other structures. The west segment, known as the west valley fault wvf is one of the two major fault segments of the valley fault system which runs through metro manila to. The volcanology agency has previously warned the impending activity of the west valley fault. It may be used to determine the location of active faults in an area and to measure the shortest distance between an active fault and a users. The philippine institute of volcanology and seismology phivolcs launched an application or tool, aiming. Luzon and in surigao fault and compostela valley area in eastern mindanao. Phivolcs launch map, valley fault system to guide users. Philippine fault zone maps philippine institute of. Double click the kmz files hazards and administrative boundaries you just downloaded. Such a map is critical given that the valley fault system vsf is due for a big earthquake within the next 50 years. Pdf largescale active fault map of the philippine fault based on. Phivolcs, in partnership with geosciences australia, earlier undertook a risk analysis project rap on the west valley fault, is is part of the larger vfs. Dito sa west valley fault, ang kada galaw niya ay 400 to 600 years at ang last niyang gumalaw ay 1658, 357 years ago. Download the newly updated phivolcs west valley fault line.
I was suppose to offer the property to a client, but decided to first check the location of the property with the phivolcsvalley fault system maps just to make sure the property doesnt straddle on an earthquake fault line. If an internal link led you here, you may wish to change the link to point directly to the intended article. Based on a 2014 survey conducted by the makati city government, the 3kilometerlong portion of the west valley fault in the city passes through four barangays. What dangers await when the west valley fault moves. The valley fault system meanwhile has a visual map section and a download section with links from phivolcs where users can use as reference on where fault lines are located. It is very important to understand where these lines are to understand the level of impact it may bring if your location is in the line or near it.
Manila, philippines the philippine institute of volcanology and seismology phivolcs has shared online today the valley fault system vfs atlas, a handbook of large scale maps that illustrates the areas that are near an earthquake fault. Lowres version due to high public demand, phivolcs has allowed gma news online to share a copy of the atlas below for viewing online. The east valley fault straddles 10 kilometers in rizal province while the west valley fault runs over more than 100 km through the provinces of. Moderate emission of white steamladen plumes drifting westsouthwest was observed. Read the legend in the map for explanation of hazards in the area. Phivolcs fault line map for samar island yesterday august 31, 2012, an earthquake struck under the sea about 33 kilometers east off the coast of samar island. The phivolcs faultfinder map displays all the different faults located in the philippines, in particular, the valley fault system or vfs formerly known by its inaccurate label marikina fault line.
The high seismic risk posed by this fault zone requires a largescale active faults map, a fundamental data set for seismic hazard mitigation. The west valley fault system is an imaginary line marking the area where the different fault systems are located underground and are actively moving from where a big earthquake may originate. Phivolcs valley fault system atlas earthquake map now. A high resolution copy of the atlas is available for free download upon registration from the phivolcs website.
East valley fault running through rizal, and the west valley fault. Thus, the publication of the valley fault system vfs atlas, a handbook of. Devastating faults of the big one inquirer business. System gis platforms such as mapinfo professional and generic mapping. West valley fault line movement, very likely phivolcs. You will get the updated philippine active fault information using the new version of the app. Viii on the phivolcs earthquake intensity scale peis, in the. This disambiguation page lists articles associated with the title valley fault system. A lot has changed since then, with the scientists discovering new fault traces. The marikina valley fault system, also known as the valley fault system vfs, is a.
Is your house sitting on top of the east valley fault or. To know where the west valley fault system is and help you prepare, the philippine institute of volcanology and seismology or phivolcs, created an interactive map for the public to use. Phivolcslava is the database of multiparameter monitoring data acquired through the years by instrumental and visual observation of the philippines eight most active volcanoes. This was according to phivolcs deputy director, bartolome bautista at the hearing conducted by the senate committee on climate change and environment and natural resources. Prepare for the big one dost makes valley fault atlas. Both phivolcs fault finder and lava local active volcano list are also integrated. Click here to download the valley fault system atlas from the phivolcs website. The west valley fault, a 100kilometer fault, is one of the segments of an active fault, the valley fault system. Quick links of the west and east valley fault line maps. The app uses three 3 base maps, philippines geoportal from namria. The phivolcs faultfinder mobile app shows information about the distance between the users current location, address or selected location on the map and. Bandibas of gsj with the cooperation of the research and development personnel of phivolcs. Thus, the epicenter can be anywhere from that 100km fault line and we should expect aftershocks or quake swarms anywhere as well. The last map the phivolcs issued was way back in 2000.
The west valley fault that extends to cordillera, sierra. Valley fault system valley fault system is the common name for fault systems in valleys and basins including. The atlas took 2 years to complete, said phivolcs director renato solidum jr. Phivolcs valley fault system atlas is the culmination of over two years of. The evf is about 10kmlong and traverses the municipalities of rodriguez and san mateo in rizal province. Earthquakes, faultlines, and real estate investing. In an interview on dzmm, phivolcs director renato solidum said people should prepare because the fault line may move sooner than expected.
The gps map includes the west valley fault and the east valley fault with detailed data from phivolcs. Download and install the free app from the app store. List of barangays in metro manila, nearby province located. Tiniyak ng phivolcs na hindi dadaan sa west valley fault ang ano mang bahagi ng metro manila subway project. The fault lines and location of fissures indicated in the map were based on. We have recently acquired the fault line data for the west and east valley fault system. A page of phivolcs valley fault system atlas shows the part of the west valley fault near pasig city subdivisions valle verde. This database is built upon the world organization of. This is an improvement of a previous map by phivolcs done in a 1. Getting your own digital copy is free, but you have to register first before you can download it.
The philippine institute of volcanology and seismology phivolcs launched an application or tool, aiming to help its users to check if their homes can are located in the fault areas, which has a greater. The phivolcs faultfinder is an application capable to do proximity searches to active faults. West valley and the 10kilometerlong east valley segments of the vfs in. The faultline system will be displayed anytime on your carnavi screen and is available at any zoom level.
Schools on top of the west valley fault line there are about 19 schools, colleges, and universities that are on the west valley fault line to which 29 of their buildings are directly constructed on top of the fault line. The philippine institute of volcanology and seismology has made public its updated and detailed maps that trace the 100kilometer west valley fault traversing parts of metro manila and the adjoining provinces of bulacan,laguna, rizal and cavite, writes dona z. This fault can generate an earthquake with a magnitude 2 of 6. Phivolcs launches new fault valley system atlas untv news. The fault contains two major segments, known as west valley fault wvf and east valley fault evf.
Marikina westeast valley fault line system gps map. The new valley fault system atlas, released monday morning may 18 by the phivolcs, is a crucial step towards ensuring that metro manila is prepared for the big quake. Will you be affected by the east, west valley quake fault. Manila, philippines the philippine institute of volcanology and seismology phivolcs has shared online today the valley fault system vfs atlas, a handbook of large scale maps that illustrates the areas that are near an. Lowres version due to high public demand, phivolcs has allowed. Barangays and buildings traversed by the valley fault. Phivolcs is calling all owners of buildings and structures located on or near the marikina fault, which is now officially named as west valley fault, to be prepared as an earthquake may strike along marikina fault at any time. Since 2003, kyoto university and phivolcs dost have been mapping the philippine fault. Valley fault system vfs in the philippines, is a dominantly dextral strikeslip fault system that extends from dingalan, aurora in the north and runs through the cities of quezon, marikina.
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