If the fault becomes active it will give a earthquake of magnitude of 7. This fault roughly moves between 400600 years and the last earthquake in this fault was recorded on 1658 or 357 years ago. Mar 24, 2011 diliman map west valley fault line west valley fault line map residential areas on the fault. Quaternary surficial geology of southern california open map geologic gems of the california state parks open map geologic. The last earthquake in the area occurred in 1658, or 357 years ago. This event is a scenario it did not occur and should only be used for planning purposes. The great utah shakeout 2020 utah geological survey. Subdivisions and villages near the valley fault system.
Installs or updates an overlay map of the westeast valley fault line system in metro manila. Links and maps secrets of the marikina valley fault line. Seismologists were not able to determine the exact fault on which the quake occurred, because faults are usually identified by their expression on the surface. Valley fault system atlas finally launched and can be. The vfs is an active fault system in the greater metro manila area gmma composed of two fault segments. Southern california earthquake data center at caltech.
Marikina westeast valley fault line system gps map. Preliminary map of young faults in the united states as a guide to possible fault activity. The rinconada fault extends 230 km from king city in the north to the big pine fault in the south. As of the meantime, disaster resiliency assessors have been saying that the country. The west napa fault is a likely source for the magnitude 6. The west valley fault, a 100kilometer fault, is one of the segments of an active fault, the valley fault system. 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. The west valley fault map according to phivolcs, metro manila will get hit by a 7. So 357 and 400, magkalapit yan kasi either gumalaw yung fault nang mas maaga or mas later, he added. Interactive map for the west and east valley fault line on. Interactive risk analysis map of the valley fault system. Phivolcs valley fault system atlas earthquake map now. Interactive map of fault activity in california american.
The may 18th magna earthquake has generated over 1,000 aftershocks, some of which have occurred on the west valley fault zone. Base map pdf street map and parcel lines general plan map high resolution pdf west valley city boundaries jpg. This map covers an area containing several geologic features. Though with slight differences, the maps are generally the same. May 19, 2015 a high resolution copy of the atlas is available for free download upon registration from the phivolcs website. 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 utah geological survey ugs, university of utah seismograph stations uuss, and utah division of emergency management udem recently published the utah earthquakes 18502016 and quaternary fault map ugs map 277. The new map shows earthquakes within and surrounding utah from 1850 to 2016, and faults considered to be sources of large earthquakes. Bandibas of gsj with the cooperation of the research and development personnel of phivolcs. The rinconada fault and its related faults constitute a major structural element of the salinas river valley, which is known regionally, and referred to herein, as the salinas valley. Scroll through the available web maps at the bottom. Because of its scale, it cannot be used as an index of specific faults or fault.
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. 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. 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. Phivolcs launch map, valley fault system to guide users. 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. New strands of west valley fault highlighted by utah. Solidum issued the statement after two massive earthquakes hit nepal, leaving thousands dead. Manila metro rail transit system line 7 mrtline 7 update. This map gives an overview of geologically young faults and is intended to help in evaluation of the potential activity of faulting nationally. 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. Locally, the hazard may be greater than shown, because site geology may amplify ground motions. West valley fault ripe for strong quake abscbn news. Since 2003, kyoto university and phivolcsdost have been mapping the philippine fault.
On the other hand the second segment of fault is the west valley fault, a 100 kilometers fault which is cruising from bulacan, rizal, quezon city, marikina, pasig, makati, taguig, muntinlupa, up to some provinces of laguna and cavite. Fault name index faults of southern california northwest region. Like the wasatch fault zone, the west valley fault zone shows evidence of recurrent movement in the geologically recent past i. 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. Click on the large picture or the open map link to open the web map in a new tab. West valley fault running through bulacan, rizal, metro manila, cavite, and laguna. The models are based on seismicity and faultslip rates, and take into account the frequency of earthquakes of various magnitudes. Prepare for the big one dost makes valley fault atlas.
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. 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. Its composed of two segmentsthe east valley fault running through rizal, and the west valley fault, running through bulacan, rizal, metro manila, cavite, and laguna. The west valley fault has the potential of generating a devastating magnitude 7. 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. This was seen on television yesterday, may 18, 2015, on gma 7 and also on abscbn. The marikina valley fault system, also known as the valley fault system vfs, is a dominantly dextral strikeslip fault system in luzon, philippines. The vfs was unveiled on may 18, 2015 at the institutes auditorium, quezon city to spread awareness on west valley fault which could possibly generate a magnitude 7.
If you are using ie 8 or later, make sure you turn off compatibility view. The vfs is an active fault system composed of two fault segments. A high resolution copy of the atlas is available for free download upon registration from the phivolcs website. 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. The nevada bureau of mines and geology has a new tool to help you find that answer. 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. This new mapping provides additional data to scientists studying how the west valley and wasatch fault. 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. Diliman map west valley fault line west valley fault line map residential areas on the fault. This fault can generate an earthquake with a magnitude 2 of 6. Information available includes the age of the most recent activity on each fault segment, surface rupture areas, and whether or not the faults are visible at the surface. At present, approximately 90% of onlandstretch of the pfz has been mapped. Download the newly updated phivolcs west valley fault line map. 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.
On its eastern edge rise the foothills of the sierra nevada range. Click here to use the california fault activity map. Pdf neotectonics of the marikina valley fault system. Map of the rinconada and reliz fault zones, salinas river. The map is based on the most recent usgs models for the conterminous u. The wasatch fault parallels the western base of the wasatch range for approximately 350 km 220 miles, from near fayette, utah in the south to near malad city, idaho in the north. 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.
New map of utah earthquakes, faults available sanpete. West valley fault line update, quezon city, philippines. 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 california geological surveys interactive map allows users to identify the location and classification of faults throughout california. Valley fault system atlas launch for earthquake preparedness. However at close inspection, the 2015 fault trace generated from phivolcs valley fault system vfs atlas deviates from the 2010 fault trace at most minute points. Repeated fault movements during earthquakes have formed the mountains to the east and the valleys to the west. What dangers await when the west valley fault moves. Philippine fault zone maps philippine institute of. Although few utahns are familiar with this system of faults in northern salt lake valley, the west valley fault zone is an active geologic structure and shares an interesting relationship with the well known wasatch fault zone. Since earthquake is very impossible to predict, phivolcs is here to guide us. Pasig city has its own share of this geological anomaly being part of the west valley fault line.
This new mapping provides additional data to scientists studying how the west valley and wasatch fault zones are linked, stated map author adam mckean. May 19, 2015 phivolcs said in the last 1,400 years, the west valley fault had moved on an interval of every 400 to 600 years. List of barangays in metro manila, nearby province located. News to go is the daily morning newscast of gma news tv, anchored by howie severino and kara david.
May 20, 2015 if you find the philippine institute of volcanology and seismologys phivolcs valley fault system vfs atlas too daunting, heres a userfriendly and interactive map to see if your home or place of work is found in a quake fault zone. California geology department of conservation map server. Phivolcs said in the last 1,400 years, the west valley fault had moved on an interval of every 400 to 600 years. 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. West of simi valley, the simi fault has placed miocene conejo volcanics over pliopleistocene saugus formation rocks. This is an official map and data, as such it is the most reliable information we have.
Jul 17, 2015 detailed map of west valley fault line. 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. Marikina westeast valley fault line system gps map overlay. 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. How big and how frequent are earthquakes on the wasatch fault. The southern end of the great central valley of california known as the san joaquin valley is clearly visible. This means structures thought to be sitting atop a fault line may not be sitting there at all, and those next to or thought lucky to be spared from being on a. The volcanology agency has previously warned the impending activity of the west valley fault. An earthquake fault map that take it down to the street level. The evf is about 10kmlong and traverses the municipalities of rodriguez and san mateo in rizal province. The wasatch fault is also known as the wasatch fault zone wfz since it isnt a. A slightly different version of this photoessay appeared in the 29 may04 jun 2015 issue of the filam star, the weekly newspaper for filipinos in mainstream america published in san francisco, ca.
May 15, 2015 dito sa west valley fault, ang kada galaw niya ay 400 to 600 years at ang last niyang gumalaw ay 1658, 357 years ago. The high seismic risk posed by this fault zone requires a largescale active faults map, a fundamental data set for seismic hazard mitigation. The latter segment could possibly generate a magnitude 7. Capitol homes subdivision loyola grand villas the red thick lines represent the. When you have eliminated the javascript, whatever remains must be an empty page. The valley fault system vfs, an active faultl in the greater metro manila area gmma, consists of two segments. The faults shown on the map are considered geologically active, have been sources of large earthquakes about magnitude 6. Phivolcs director renato solidum warned the west valley fault, which traverses parts of metro manila and adjoining provinces of bulacan, laguna, rizal and cavite, is ripe for a possible strong earthquake. Download the newly updated phivolcs west valley fault line. Evaluating the seismic relation between the west valley fault. But unlike the wasatch fault zone, which has been the subject of dozens of detailed scientific studies, relatively little is known about the behavior of the west valley fault zone. 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. Installs or updates an overlay map of the west east valley fault line system in metro manila.
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