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Topic: Philippine Plate

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List of tectonic plates

Pacific Plate

List of plate tectonics topics

List of tectonic plate interactions

Arabian Plate

Philippine Sea

South American Plate

African plate

Cocos Plate

Eurasian Plate

Plate tectonics

Divergent boundary

Intraplate earthquakes

Pacific Ring of Fire

List of oceanic trenches

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	The American Museum of Natural History - EarthBulletin - Volcanoes - Why is a volcano here?
		The Philippines, part of the Ring of Fire, lie at the meeting point of at least three tectonic plates: the Eurasian, the South China Sea, and the Philippine plates.
		The Philippine Islands are all that remain of a narrow - and gradually disappearing - oceanic plate.
		Meanwhile, the Philippine plate is slowly advancing from the east.
	earthbulletin.amnh.org /A/4/1 (625 words)

	The Philippine Trench (Site not responding. Last check: 2007-10-21)
		Until 1970 the Philippine Trench was regarded as the deepest point of the earth.
		In the Philippine Trench in a depth of until up to three miles one of the world-largest deposits of deuterium (heavier hydrogen) was also found.
		We mentioned already that the rock of the oceanic plate is melted during the plunge.
	home.arcor.de /be/bethge/philippinetrench.htm (616 words)

	Philippine Sea - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-10-21)
		The Philippine Sea is a part of the western Pacific Ocean bordered by the Philippines and Taiwan to the west, Japan to the north, the Marianas to the east and Palau to the south.
		The Philippine Plate forms the floor of this sea and it subducts under the Eurasian Plate which formed the Philippine archipelago.
		In 1944, it was the site of the Battle of the Philippine Sea, a World War II naval battle between Japan and the United States.
	www.peekskill.us /project/wikipedia/index.php/Philippine_Sea (155 words)

	Problems with plate tectonics
		Plate rigidity is a central tenet of plate tectonics.
		Plate velocities are shown by arrows; their length indicates the displacement expected in a period of 25 million years.
		Plate tectonicists who recognize the existence of ridge-parallel flow generally argue that a mantle diapir wells up beneath each ocean ridge segment, and that at the crest of each diapir, radial horizontal flow takes place, with a significant component parallel to the strike of the ridge and in opposite directions.
	ourworld.compuserve.com /homepages/dp5/lowman.htm (6123 words)

	The sound of water flowing from the subducting slab beneath Japan (Site not responding. Last check: 2007-10-21)
		Both the Philippine and the Pacific Plates are subducting beneath Japan, and these subduction zones are responsible for the relatively frequent earthquakes and volcanoes experienced in that country.
		The Philippine Plate is moving towards the Eurasia Plate at about 40 mm/y and is subducting beneath the southern part of Japan (and also beneath China, Taiwan and the Philippines).
		Obara (2002) suggests that the seismic tremor is related to the movement of water that is generated within the subducting Philippine Plate due to the heat-induced hydration of minerals within the rock.
	www.mala.bc.ca /~earles/japan-slab-water-may02.htm (637 words)

	ScienceMaster - JumpStart - Plate Motion
		Plate boundary zones -- broad belts in which boundaries are not well defined and the effects of plate interaction are unclear.
		Even though the Nazca Plate as a whole is sinking smoothly and continuously into the trench, the deepest part of the subducting plate breaks into smaller pieces that become locked in place for long periods of time before suddenly moving to generate large earthquakes.
		Land on the west side of the fault zone (on the Pacific Plate) is moving in a northwesterly direction relative to the land on the east side of the fault zone (on the North American Plate).
	www.sciencemaster.com /jump/earth/plate_motion.php (2550 words)

	Totoo (Site not responding. Last check: 2007-10-21)
		ries, the Philppine Plate in the East and the Eurasian Plate in the West.
		In the western part of the Philippines, the steep easterly subduction of the Eurasian plate along the Manila trench and Sulu trenches produces a line of active volcanoes from Taal to Iraya.
		In eastern part of the Philippines, the shallow westerly subduction of the Philippine plate produces a separate line of volcanoes from Balut to Mayon.
	people.colgate.edu /cmacalutas/volcanology/facts.htm (269 words)

	Did Tasmanian Tremor Act As Tsunami Catalyst?
		Indonesia was a hotspot for earthquake activity because that is where three of the earth's tectonic plates meet, Sinadinovski said.
		The Indo-Australian plate moves about seven centimetres north each year, putting enormous pressure on the points where it connects with the Philippine and China plates.
		Although Indonesia was the country closest to the earthquake's epicentre, Sri Lanka was the worst hit by the subsequent tidal waves.
	www.rense.com /general61/catal.htm (524 words)

	Earth's Continental Plates - ZoomSchool.com
		At the boundaries of the plates, various deformations occur as the plates interact; they separate from one another (seafloor spreading), collide (forming mountain ranges), slip past one another (subduction zones, in which plates undergo destruction and remelting), and slip laterally.
		Seafloor spreading is the movement of two oceanic plates away from each other (at a divergent plate boundary), which results in the formation of new oceanic crust (from magma that comes from within the Earth's mantle) along a a mid-ocean ridge.
		Plate tectonics from the University of Tennessee (Knoxville).
	www.enchantedlearning.com /subjects/astronomy/planets/earth/Continents.shtml (1171 words)

	An updated digital model of plate boundaries: PB2002
		No attempt is made to divide the Alps-Persia-Tibet mountain belt, the Philippine Islands, the Peruvian Andes, the Sierras Pampeanas, or the California-Nevada zone of dextral transtension into plates; instead, they are designated as "orogens" in which this plate model is not expected to be accurate.
		The relatively steady slope of the PB2002 curve for plate areas between 0.002 and 1 steradian suggests a power law relationship between the number of plates and their minimum size.
		Very large plates are limited in their area because of the finite area of the Earth, and perhaps also by mantle convection tractions.
	element.ess.ucla.edu /publications/2003_PB2002/2003_PB2002.htm (1405 words)

	Theory of Plate Movement Marks Zones That Breed Frequent Quakes
		As the plate tectonic theory emerged in the 1960's and 1970's, and as global studies of seismicity improved, scientists became more and more aware of seismic quiet zones where few or no quakes occurred, even though these areas were apparently subducting and tectonic theory predicted they should be boiling with destructive energy.
		Guam is at an intersection of the Pacific and Philippine plates where plate boundaries are uncertain and where subduction seems to be minimal and earthquakes are infrequent.
		According to the scientists, the angle of plate descent is determined by forces acting on the descending plate as it moves through the mantle.
	partners.nytimes.com /library/national/science/111495quake-theory.html (1465 words)

	Press Release: Scientists Find Force That Switches Great Earthquakes On and Off
		When the upper plate is moving over the mantle toward a descending plate, the downgoing slab is forced up through the mantle into a shallow angle of descent--like the sea anchor of a ship against the wind.
		When the two plates are moving in the same direction over the mantle, the sea anchor force pushes against the slab and bends it down steeply--like the anchor of a ship going with the wind.
		But although the subducting Pacific plate is the same age everywhere it intersects with the Philippine plate, it produces areas where large earthquakes and back-arc spreading do or don't occur--all on the same plate boundary.
	www.columbia.edu /cu/pr/95/18758.html (1262 words)

	Some Plates Cause Quakes, Others Don't
		When an upper plate is moving over the earth's mantle toward a descending plate, a "sea anchor force" draws the descending slab up through the mantle to a shallow angle, like a sea anchor of a ship against the wind, and great earthquakes occur (Case 1).
		When the upper plate is moving away from the descending plate, the sea anchor force pushes against the slab and bends it down--like the anchor of a ship going with the wind.
		But although the subducting Pacific plate is the same age everywhere it intersects with the Philippine plate, it produces areas where large earthquakes and back-arc spreading do or don't occur all on the same plate boundary.
	www.columbia.edu /cu/record/archives/vol21/vol21_iss10/record2110.31.html (1412 words)

	Plate Tectonics
		Plate tectonics is the all-encompassing theory that allows us to understand the present configuration of the surface of the Earth, to recreate the past positions of the continents and ocean basins, and to make predictions about the future.
		The angle of subduction is related to the age of the plate; the older the subducting plate, the steeper the angle.
		Therefore, if the plate is moving over a "hot spot" the result is a linear line of volcanics which becomes younger toward the hot spot.
	www.coloradocollege.edu /Dept/GY/rweb/plates.html (1473 words)

	The Earthquake of 20 September 1999 in Taiwan.
		Presently, and during the Plio-Pleistocene period, principal tectonic plate interaction in the vicinity of Taiwan, is closely related to the Ryukyu and Luzon arc-trench systems, characterized by subduction, convergence and rotation, but marked primarily by the collision of the Luzon volcanic arc with the Asian continental margin.
		The tectonic interactions are extremely complex in that they involve both subduction and plate convergence in the vicinity of Taiwan, which do not take place along a simple plate boundary or subduction zone as commonly conceived, due to the difficulty of subducting a portion of the continental crust which is markedly buoyant.
		Earlier tectonic plate convergence in the vicinity of Taiwan was marked by an apparent eastward subduction of the Eurasian plate underneath the Luzon arc on the Philippine Sea plate.
	www.geocities.com /Athens/Acropolis/4870/Earthquake1999Taiwan.html (1258 words)

	Plate Tectonics (Site not responding. Last check: 2007-10-21)
		A tectonic plate may be described as a segment of the Earth's lithosphere (uppermost 100km of the rigid shell) that moves independently of other regions.
		Besides the major plates, there are numerous microplates such as the Philippine Plate in the western Pacific Ocean and the Juan de Fuca Plate in the northeastern Pacific Ocean to the west of the state of Washington.
		At subduction zone boundaries (such as the Aleutian Trench between Alaska and the Pacific Plate), the plates move towards each other, with one plate subducting or moving beneath the other as the earth's lithosphere is recycled into the mantle.
	www.ig.utexas.edu /research/projects/plates/pt.info.htm (742 words)

	Report #4 on the Chi-Chi (Taiwan) Earthquake
		To the east of Taiwan, the Philippine Sea plate is subducting beneath the Ryukyu island arc, and to the south of Taiwan, the Philippine Sea plate is overriding the Eurasian plate along the Manila trench (Figure 2).
		The arrow indicates the approximate motion of the Philippine Sea plate relative to Asia (7 cm/yr.
		The Philippine trench appears to be propagating northward (Lewis and Hayes, 1983).
	www.iris.edu /news/events/taiwan/taiwan99reports/chi-chi4.html (1368 words)

	pacific plate and other plates related information (Site not responding. Last check: 2007-10-21)
		The Pacific plate is shown in pale yellow on this map The Pacific Plate is an oceanic tectonic plate beneath the Pacific Ocean.
		Along the northern portion the northwestward moving Pacific plate is being subducted beneath the Aleutian Islands arc.
		The Pacific plate is bordered on the east by three smaller plates, the Nazca Cocos, and Juan de...
	www.nethorde.com /plates/pacific-plate.html (344 words)

	SITE 1201: ION SEISMIC OBSERVATORY (Site not responding. Last check: 2007-10-21)
		The principal objective at Site 1201 was to install a long-term borehole seismic observatory in the middle of the Philippine plate to improve global seismic coverage, to study the structure of the upper mantle under the Philippine Sea, and to study plate interactions in the western Pacific.
		Although ash and tuff were present in the sediments recovered in the region during previous legs, it was impossible to reconstruct the ash fall stratigraphy because of core disturbance and the discontinuous nature of the coring.
		Magnetic inclinations in the basaltic basement are shallow and indicate a position of the Philippine plate near the equator, at ~7° paleolatitude, during the Eocene.
	www.ga.gov.au /odp/publications/195_IR/chap_01/c1_3.htm (4175 words)

	Why did so many people die in the Kobe Earthquake?
		Most earthquakes happen along plate boundaries so the countries located near the edges of plates are more likely to suffer earthquakes.
		Japan lies by three different tectonic plates, they are the Eurasian plate, the Pacific plate and the Philippine plate.
		This triple junction of plates is one of the most unstable parts of the earth's crust.
	www.coursework.info /i/38653.html (456 words)

	Amateur Geologist Structured Geological Glossary: Plate Tectonics
		A point that is common to three plate and which must also be the meeting place of three boundary features, such as divergence zones, convergence zones, or transform fault.
		An elongated region along which a plate descends relative to another plate, for example, the descent of the Nazca plate beneath the South American plate along the Peru-Chile Trench.
		Small crustal fragments, island arc, or seamount which are transported by the moving oceanic plate and are added to a continental mass at the subduction zone.
	www.amateurgeologist.com /content/glossary/tectonics/tectonics.html (1219 words)

	EarthRef.org Reference Database (ERR) -- Acharya & Aggarwal 1980
		Seismic and volcanic activity in the Philippine Islands was examined in an attempt to decipher the tectonics of this region.
		Near the eastern Phillippines the westward subduction of the Philippine Sea plate occurs (1) along the Philippine trench and (2) in a localized zone near the western edge of the Benham rise.
		Seismic activity on the Philippine fault is concentrated in the zone between 10°N and 15°N and appears to be due to stresses generated by opposing movements of the Philippine and Eurasian plates which are not released in underthrusting.
	earthref.org /cgi-bin/err.cgi?n=34116 (381 words)

	Plate Tectonics Deep Ocean Trenches and the Pacific Ring of Fire
		As the giant Pacific Plate moves steadily westward, its leading edge subducts below the Eurasian Plate and is recycled into the Earth's mantle.
		Japan lies on the cusp of the Pacific-Philippine-Eurasian triple plate junction, where the complex interactions of three tectonic plates is unpredictable and loaded with potential activity.
		When the Pacific Plate encounters the Philippine Plate, because it is older and more dense than the younger Philippine, it subducts below and results in the formation of a deep ocean trench.
	www.platetectonics.com /oceanfloors/japan.asp (142 words)

	plate tectonics (Site not responding. Last check: 2007-10-21)
		Japan is situated along the triple plate conjunction of the Pacific, Phillipine, and Eurasian plates.
		Japan is known as a volcanic island arc because the volcanoes at this subduction zone actually form the chain of islands situated along this deep-sea trench.
		The earthquakes that occur in Japan are relatively shallow because thay are a result of fractures from stress in the subducted Pacific plate.
	www.owlnet.rice.edu /~geol108/eq4/plate_tectonics.htm (136 words)

	Tectonics and Volcanoes of the Philippines (Site not responding. Last check: 2007-10-21)
		The plate tectonics in the Philippines is complex and includes plate boundaries that are changing rapidly.
		In the west, more steeply east-dipping subduction of the Eurasian Plate (South China Sea basin and the transitional oceanic-continental crust of the Palawan block) along the 560 mile (900 km) length of the Manila and Sulu trenches produces a discontinuous line of active volcanoes from Taal in the south to Iraya in the north.
		In the east, shallow west-dipping subduction of the Philippine Plate at the Philippine Trench produces a line of volcanoes from Balut in the south to Mayon in the north.
	volcano.und.nodak.edu /vwdocs/volc_images/southeast_asia/philippines/tectonics.html (498 words)

	Philippine Plate -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-21)
		The Philippine Plate is an oceanic (Click link for more info and facts about tectonic plate) tectonic plate beneath the (The largest ocean in the world) Pacific Ocean to the east of the (An archipelago in the southwestern Pacific including some 7000 islands) Philippine Islands.
		The (Click link for more info and facts about Izu Peninsula) Izu Peninsula is the northernmost tip of the Philippine Plate.
		The Philippine Plate, the Eurasian Plate (or the Amurian Plate), and the Okhotsk Plate meet at (An extinct volcano in south central Honshu that is the highest peak in Japan; last erupted in 1707; famous for its symmetrical snow-capped peak; a sacred mountain and site for pilgrimages) Mount Fuji.
	www.absoluteastronomy.com /encyclopedia/p/ph/philippine_plate.htm (169 words)

	Driving force of the Philippine Sea Plate
		ABSTRACT The Philippine Sea plate (PH) is rotating relative to Eurasia (or to hot spots) around the pole south of Kamchatka - central Kuril.
		The ridge push forces in the PH are generated by the age gradient within the plate; the West Philippine Basin is oldest and the Mariana Trough youngest.
		Figure 1 The Philippine Sea (PH) - Eurasian (EU) plate Euler poles and the Euler pole of the PH with respect to hot spots (PH-HS).
	www.eri.u-tokyo.ac.jp /seno/phs.driving_abst.html (657 words)

	REGIONAL GEOLOGY (Site not responding. Last check: 2007-10-21)
		F1), where the Mesozoic Pacific plate is being subducted west-northwestward beneath the West Philippine plate.
		The Pacific plate descends beneath the West Philippine plate at an angle of ~20° to depths of 60 km, whereas, at depths >100 km it dramatically steepens (to near-vertical descent in the Marianas) (Fryer, Pearce, Stokking, et al., 1992).
		The site is ~90 km west of the Mariana Trench axis, and based on the recent subduction rate and dip of the Pacific plate underneath the Philippine plate, the part of the Pacific crust that lies directly underneath the seamount today was located at the trench ~2.5 m.y.
	www-odp.tamu.edu /publications/195_SR/103/103_3.htm (574 words)

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