There is also a set of downloadable pdf files at the national disaster risk reduction and management council website. Skip to site map the igovphil project officially adopts the web content accessibility guidelines wcag 2. Bandibas of gsj with the cooperation of the research and development personnel of phivolcs. The city of simi valley occupies the 22square mile simi valley. It is one of the service agencies of the department of science and technology. West valley fault running through bulacan, rizal, metro manila, cavite, and laguna. Since 2003, kyoto university and phivolcsdost have been mapping the philippine fault. The wasatch fault is an active fault located primarily on the western edge of the wasatch mountains in the u. I was suppose to offer the property to a client, but decided to first check the location of the property with the phivolcs valley fault system maps just to make sure the property doesnt straddle on an earthquake fault line. Valley fault system atlas launch for earthquake preparedness. 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. Download the newly updated phivolcs west valley fault line.
Taal volcano lies on the west valley fault secrets of. Geologic map of the helena valley, westcentral montana. West valley fault line update, quezon city, philippines. The west napa fault is a 57 km 35 mi long geologic fault in napa county, in the north bay region of the san francisco bay area in northern california. The interactive map is based on trace from the phivolcs risk analysis map released on june 20. For the most uptodate information, please refer to the interactive fault map. May 02, 2016 additional information on the link between the west valley fault zone and salt lake city segment of the wasatch fault zone can be found in ugs special study 149, paleoseismology of utah, volume 24evaluating surface faulting chronologies of grabenbounding faults in salt lake valley, utahnew paleoseismic data from the salt lake city. Phivolcs said in the last 1,400 years, the west valley fault had moved on an interval of every 400 to 600 years.
Philippine west valley fault line maps are you safe. It is believed to be the northern extension of the calaveras fault in the east bay region. At present, approximately 90% of onlandstretch of the pfz has been mapped. Death valley national park maps available from harpers ferry center. Philippine fault zone maps philippine institute of. Click on the map type and select either park tiles or brochure. My father told me our subdivision was developed on a fault line. Jan 23, 2020 its greatest recorded eruption occurred in 1754, while the last time the dreaded west valley fault moved was in 1658, which set the two events 96 years apart.
Prepare for the big one dost makes valley fault atlas. This new mapping provides additional data to scientists studying how the west valley and wasatch fault zones are linked, stated map author adam mckean. The map shown above can be changed between park tiles and brochure maps by using the drop down menu in the upper left hand corner of the map. Streets maintenance west valley city, ut official site. Geology of southwest idaho bureau of land management. Taal volcano lies on the west valley fault secrets of the. As of january 12, 2017, the usgs maintains a limited number of metadata fields that characterize the quaternary faults and folds of the united states. The fault is made up of ten segments, five of which are considered active. Its greatest recorded eruption occurred in 1754, while the last time the dreaded west valley fault moved was in 1658, which set the two events 96 years apart. Paleoseismic investigation of the taylorsville fault, west. Base map pdf street map and parcel lines general plan map high resolution pdf west valley city boundaries jpg zoning map pdf. This fault roughly moves between 400600 years and the last earthquake in this fault was recorded on 1658 or 357 years ago.
Launched on monday, may 18, the valley fault system atlas is a handbook with 33 map sheets of cities traversed by the east valley fault and west valley fault. 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. Phivolcs warns valley fault residents manila, philippines residents of metro manila and nearby provinces should prepare for the big one, a magnitude 7. Jul 11, 2014 the west and east valley fault system span from angat, bulacan all the way down to carmona, cavite and calamba, laguna and is the most feared event that could hit metro manila in case the fault system moves as it may cause larger than 7. The west valley fault zone is separate from, but related to the wasatch fault zone, which is the regions preeminent fault and lies at the base of the wasatch range. Although the current understanding of the wasatch fault zone is incom plete, this map should help identify key sites for further detailed studies of the faults history. The evidence in the trenches suggests that each of the four earthquakes on the west valley fault system was strong enough to break the ground. 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. Quaternary fault and fold database of the united states. The west fault is capable of producing largescale earthquakes on its active phases with a magnitude of 7 or higher. Recent trench studies have shown that the west valley fault tends to rupture simultaneously with the wasatch fault, compounding issues such as liquefaction, landslides and flooding. Aug 31, 2015 teaser of the movie project the west valley fault. We have identified a total of ten 10 geometric and structural segment along the east marikina valley fault emvf and the west marikina valley fault wmvf from the recognition of morphotectonic.
The vfs is an active fault system composed of two fault segments. The fault is about 240 miles 390 kilometres long, stretching from southern idaho, through northern utah, before terminating in central utah near the town of fayette. The last earthquake in the area occurred in 1658, or 357 years ago. The west valley college campus occupies 143 acres in the city of saratoga. Directors ruben maria soriquez paolo bertola special effects cgi paolo bertola editing ruben maria soriquez original soundtrack. Jul 17, 2015 detailed map of west valley fault line. Pdf neotectonics of the marikina valley fault system. 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. The map of this report is divided into two areas for the purpose of discussion, the northern gallatin valley, north of the gallatin river, and the western gallatin valley, which is the remainder of the map fig.
As of the meantime, disaster resiliency assessors have been saying that the country. The ground surface, probably less than 9 ka but more than 6 ka. Areas south of metro manila where the valley fault line traverses is not part of the study thus has not been included in the map. Pdf neotectonics of the marikina valley fault system mvfs. Geological survey water resources investigations report 004212, 119 p.
It extends from dona remedios trinidad, bulacan in the north and runs through the provinces of rizal, and the metro manila cities of quezon, marikina, pasig, makati, taguig and muntinlupa, and the provinces of cavite and laguna that ends in. Find out how to get to west valley college and navigate the campus. The west and east valley fault system span from angat, bulacan all the way down to carmona, cavite and calamba, laguna and is the most feared event that could hit metro manila in case the fault system moves as it may cause larger than 7. The wasatch fault zone in utah valley has been the sub ject of many geologic studies for example, hunt and others. 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. For backcountry trip planning we recommend either the tom. Additional information on the link between the west valley fault zone and salt lake city segment of the wasatch fault zone can be found in ugs special study 149, paleoseismology of utah, volume 24evaluating surface faulting chronologies of grabenbounding faults in salt lake valley, utahnew paleoseismic data from the salt lake city. Manila metro rail transit system line 7 mrtline 7 update. Pasig city has its own share of this geological anomaly being part of the west valley fault line. The valley fault system atlas office of civil defense. East segment the eastern segment, known as east valley fault evf moves in an oblique dextral motion. This is an official map and data, as such it is the most reliable information we have. 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 philippine institute of volcanology and seismology phivolcs on monday released the valley fault system vfs atlas, a handbook of largescale maps showing in detail areas traversed by the valley fault system, otherwise known as the east and west valley quake faults.
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. 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 cities of marikina, quezon city, pasig, makati, taguig and muntinlupa and moves in a dominantly dextral strikeslip motion. On the west end of salt lake valley is another fault zone called the west valley fault zone that spans 9 miles 16 km northnorthwest. Phivolcs and gma news online have downloadable copy of the valley fault system atlas on scribd. Although there are distinct similarities between the lithostratigraphic units in the northern gallatin valley and those in the. Mar 17, 2011 the west valley fault line or the marikina valley fault line traverses a number of residential areas in metro manila. The high seismic risk posed by this fault zone requires a largescale active faults map, a fundamental data set for seismic hazard mitigation. The earths crust was pulled apart and became thin, much like the stretching of taffy, and the mountains rose along the fault lines bordering the valley. Scientists discover west valley fault zone deseret news. The marikina valley fault system, also known as the valley fault system vfs, is a dominantly dextral strikeslip fault system in luzon, philippines.
If you are using ie 8 or later, make sure you turn off compatibility view. It is believed to be the northern extension of the calaveras fault in the east bay region it has been mapped as a late pleistoceneholocene active fault, and is considered to be predominantly a right lateral strikeslip fault. This new mapping provides additional data to scientists studying how the west valley and wasatch fault. 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. News headlines, radio and television announcements are already in place to let the people living in the vfs make the. Interactive map for the west and east valley fault line on. The valley fault system vfs atlas, a handbook of large scale maps showing in detail areas traversed by the valley fault system, was launched and distributed to local government officials at 9am. Map and data for quaternary faults in west texas and. Earthquake hazard evaluation of the west valley fault zone. Phivolcs launch map, valley fault system to guide users. I am curious but i cant find any exact location published, like specific residential areas. The west valley fault zone is actually comprised of a dozen different fractures that lie roughly between redwood road and 5600 west, and about 1700 north to 4800 south.
The higherresolution copy is available for free download from the phivolcs website. List of barangays in metro manila, nearby province located. Map and data for quaternary faults in west texas and adjacent parts of mexico edward w. Thus, the publication of the valley fault system vfs atlas, a handbook of largescale maps detailing the situs of the 100kilometerlong west valley and the 10ki ometerlong east val ey segments of the vfs in the metro luzon urban be tway super reg on, is a welcome and significant. Map and data for quaternary faults in west texas and adjacent. The west valley fault line or the marikina valley fault line traverses a number of residential areas in metro manila. The volcanology agency has previously warned the impending activity of the west valley fault. May 12, 2018 the map shown above can be changed between park tiles and brochure maps by using the drop down menu in the upper left hand corner of the map. Rappler found that 57 subdivisions or residential villages are transected by the west valley fault, a 100kilometer active fault that can generate a 7. A rift is a large valley bordered by faults, or fractures in the earths crust. Archived report descriptions no longer maintained west valley fault zone, granger section class a no.
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