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Topic: Mount Pinatubo

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  Pinatubo II
The volcanic lake was formed during the 1991 eruption of Mount Pinatubo, and rain water in past years has already filled the lake to only a few meters from the crater's rim.
Pinatubo last erupted in 1991 and showered cities as far as Manila 130 km (80 miles) away with sulphuric ash.
Mount Pinatubo is one of the Philippines' two most closely watched volcanoes.
www.timjacobs.com /pinatubo1.htm   (0 words)

 125th - Articles - Science - Volcano Expertise and Monitoring Save Lives--The Case of Mount Pinatubo, Philippines
Geologists examine layer of deposits on the rim of a new crater blasted by steam-driven volcanic explosions on the northwest flank of Mount Pinatubo on April 2, 1991.
The people living in the lowlands around Mount Pinatubo were alerted to the impending eruption by the forecasts, and many fled to towns at safer distances from the volcano or took shelter in buildings with strong roofs.
The rocky islets are relics of a lava dome that erupted on the caldera floor in 1992.
www.usgs.gov /125/articles/pinatubo.html   (0 words)

 CVO Website - Mount Pinatubo Volcano, Philippines
Mount Pinatubo is one of a chain of composite volcanoes that constitute the Luzon volcanic arc.
Mount Pinatubo is among the highest peaks in west-central Luzon.
The new summit elevation of Mount Pinatubo is approximately 1,485 meters above sea level, reduced from a preeruption elevation of 1,745 meters; the elevation of the caldera lake is between 820 and 840 meters above sea level, or about 650 meters below the highest point on the new caldera rim.
vulcan.wr.usgs.gov /Volcanoes/Philippines/Pinatubo/description_pinatubo.html   (0 words)

Within hours of Mount Pinatubo's explosive June 15, 1991, eruption, heavy rains began to wash the ash and debris deposited by this explosion down into the surrounding lowlands in giant, fast-moving mudflows called lahars.
The June 15, 1991, explosive eruption of Mount Pinatubo, Philippines, was the second largest volcanic eruption of this century and by far the largest eruption to affect a densely populated area.
The eruption produced high-speed avalanches of hot ash and gas (pyroclastic flows), giant mudflows (lahars), and a cloud of volcanic ash hundreds of miles across.
www.timjacobs.com /pinatubo.htm   (258 words)

 Untitled Document
The arc of volcanoes is caused by the subduction of the Manila trench to the west." (Mt. Pinatubo Eruption 2001)
The Pinatubo eruption was a Plinian style eruption that produced 5 to 10 cubic Km of dacitic pumice and ignimbrite.
It is believed that the 1993 Mississippi River Valley flood was influenced by the eruption and that the drought in the Sahel was caused by the eruption (Mt. Pinatubo Eruption) causing the third coolest summer and the third wettest summer during 1991.
www.emporia.edu /earthsci/student/sneed3/pinatubo.htm   (944 words)

  Mount Pinatubo - Wikipedia, the free encyclopedia
Mount Pinatubo is an active volcano located on the island of Luzon in the Philippines, at the intersection of the borders of the provinces of Zambales, Tarlac, and Pampanga.
Pinatubo is part of a chain of volcanoes which lie along the western edge of the island of Luzon.
Pinatubo was a known geothermal area before the 1991 eruption, and small steam explosions are quite common in such areas.
en.wikipedia.org /wiki/Mount_Pinatubo   (3776 words)

 MOUNT PINATUBO (Pictures & Maps 2)
The summit of Pinatubo was blasted away, the forests were blown down, and hundreds of meters of loose sand and gravel rained down on the mountain’s upper slopes.
Located on western Luzon Island, Mount Pinatubo is one of a chain of composite volcanoes that constitute the Luzon Volcanic Arc.
This Landsat 7 false-color image of Mount Pinatubo, acquired in January 2001, was made using a combination of shortwave infrared, near infrared, and green light.
www.arj.at /pinatubo/mount_pinatubo_pictures_maps2.htm   (1423 words)

 Mount Pinatubo
This is a false color L-band and C-band image of the area around Mount Pinatubo in the Philippines, centered at about 15 degrees north latitude, 120.5 degrees east longitude.
The main volcanic crater on Mount Pinatubo produced by the June 1991 eruptions, and the steep slopes on the upper flanks of the volcano, are easily seen in this image.
The 1991 eruption of Mount Pinatubo in the Philippines is well known for its near-global effects on the atmosphere and climate due to the large amount of sulfur dioxide that was injected into the upper atmosphere.
www.solarviews.com /cap/volc/pinatubo.htm   (362 words)

 Geotimes - March 2002 - Geophenomena
Mount Pinatubo in the Philippines erupted on June 15, 1991.
Mount Pinatubo erupting in the Phillipines on June 15, 1991.
Data for Pinatubo came from such instruments as SAGE (Stratosphere Aerosol and Gas Experiment) II, launched in 1984 on the ERBS satellite, that uses solar occultation to observe the vertical distribution of upper atmospheric (stratospheric) aerosols, ozone and water vapor around the planet.
www.geotimes.org /mar02/geophen.html   (1618 words)

 Pinatubo, Philippines
Pinatubo typically erupts large quantities of relatively cool ash and dacite magma.
Pinatubo has been relatively quiet since the 1991-1992 eruption, but it is still active.
The modern Pinatubo is a dome complex and stratovolcano made of dacite and andesite.
www.malapascua.de /Volcanoe-Map/Pinatubo__Philippines/hauptteil_pinatubo__philippines.htm   (562 words)

 MOUNT PINATUBO Philippine travel firms cashing in on volcanic
MOUNT PINATUBO, Philippines -- Nearly 10 years after Mount Pinatubo erupted in one of the past century's most violent volcanic events, tourists are trickling back to marvel at the devastation that killed hundreds, wiped out the Philippines' main rice-producing region and forced the United States to abandon its largest overseas Air Force base.
Pinatubo, about 55 miles north of Manila, exploded in June 1991 after a 500-year slumber, dumping billions of tons of volcanic debris on three provinces, erasing entire farm communities and altering the world's climate.
Pinatubo's eruptions were so massive that its top was simply blown away, reducing its height by 985 feet.
archive.tri-cityherald.com /travel/stories/world/pinatubo.html   (1380 words)

 Mount Pinatubo - Search Results - MSN Encarta   (Site not responding. Last check: )
Pinatubo, Mount, active volcano in the Philippines, in the central part of the island of Luzon, at the juncture of Tarlac, Zambales, and Pampanga...
Philippines, Republic of the: height of Mount Pinatubo
On Luzon the Sierra Madre mountains form the longest range of the Philippines, extending along the island’s eastern, or Pacific, coast.
encarta.msn.com /Mount_Pinatubo.html   (116 words)

 The Power of Volcanoes: Mount Pinatubo
The June 12-15, 1991, eruption of 1475m Pinatubo volcano, located 100 kilometers northwest of Manila in the Philippines, was one of the largest eruptions of this century and it strongly effected some aspects of our climate.
In total the Pinatubo eruption discharged 5 billion cubic meters of ash and pyroclastic debris (including 20 to 30 megatons of sulphur dioxide and aerosols) into the atmosphere via eruption columns which were 18km wide at the base and had heights of up to 30km.
A large number of people had to be evacuated due to the erupting volcano, which had remained dormant for 6 decades.
library.advanced.org /17457/volcanoes/effects.pinatubo.php   (356 words)

 PINATUBO VOLCANO "The Earth Shook and the Day Turned to Night"   (Site not responding. Last check: )
This was followed by pyroclastic flows which flowed down Pinatubo’s gullies into the Maraunot and Moraza rivers.
The fourth major eruption occurred at 1:09 in the afternoon of June 14, with Pinatubo ejecting another vertical ash column that reached a maximum height of 25 kilometers above the vent.
After June 16, Pinatubo’s activities declined both in frequency and magnitude where only minor eruptions were recorded.
park.org /Philippines/pinatubo/page4.html   (439 words)

 Mount Pinatubo, Philippines expedition - Pangaea Expeditions
Pinatubo was a long dormant volcano that exploded violently in 1990 and
Pinatubo is approximately 30 miles north of former US Air Force Base- Clark Field.
Pinatubo was a long dormant volcano that exploded violently in 1990 and briefly affected global weather when it released tons of ash into the atmosphere.
www.pangaea-expeditions.com /galleries/pinatubo   (432 words)

 Teachers' Domain: Mount Pinatubo: Predicting a Volcanic Eruption
This video segment adapted from NOVA describes the race to read the signs presented by Mount Pinatubo in the Philippines, just before it unleashed one of the most powerful eruptions of the 20th century.
By May 1991, seismic data, coupled with increased sulfur dioxide released from the volcano, suggested to scientists that new magma was filling the volcano's magma chambers.
Part of the hazard assessment of Pinatubo's threat included field surveys to determine the size and extent of the volcano's previous eruptions.
www.teachersdomain.org /6-8/sci/ess/earthsys/pinatubo/index.html   (736 words)

 Volcanoes: On the edge of an eruption
Clouds of steam were rising from the cracks of Mount Pinatubo, revered as a god to these men who lived on its slopes.
Mount Pinatubo showed evidence of pyroclastic flows that extend radially from its summit to a distance of 10 to 15 kilometres.
On June 15th, Mount Pinatubo blew its top with a climactic eruption ten times the force of the 1980 Mount St. Helens event.
www.exn.ca /volcanoes/alert.cfm   (1154 words)

 Visible Earth: Global Effects of Mount Pinatubo
Ten years ago today (June 15, 2001), Mount Pinatubo in the Philippines erupted with a tremendous force, ejecting vast amounts of ash and gas high into the atmosphere; so high that the volcano's plume penetrated into the stratosphere.
Pinatubo injected about 15 million tons of sulfur dioxide into the stratosphere, where it reacted with water to form a hazy layer of aerosol particles composed primarily of sulfuric acid droplets.
In the case of Mount Pinatubo, the result was a measurable cooling of the Earth's surface for a period of almost two years.
visibleearth.nasa.gov /view_rec.php?id=1803   (432 words)

 Operation Montserrat - Mt.Pinatubo Eruption
On Mount Pinatubo there is a landslide, a few minor tremors, and, for a short time, steam emissions from old vents; but to most of us the mountain seems unchanged.
The evacuation of communities and villages believed to be in harm's way is being carried out, in spite of protests by a handful of local farmers whose homes have been in their family's possession for many years.
Millions of cubic yards of magma, this time charged with gases, reached the surface of Mount Pinatubo and exploded, producing a major eruption on the part of the now-awake-and-kicking volcano.
www.e-missions.net /om/3weeks/mtPinatuboEruption.aspx   (792 words)

 Pinatubo, Philippines
Pinatubo is a stratovolcano on the island of Luzon.
Ancestral Pinatubo was a stratovolcano made of andesite and dacite.
The modern Pinatubo is a dome complex and stratovolcano made of dacite and andesite.
volcano.und.nodak.edu /vwdocs/volc_images/southeast_asia/philippines/pinatubo.html   (0 words)

 CVO Menu - Mount Pinatubo, Philippines
Fire and Mud - Eruptions and Lahars of Mount Pinatubo, Philippines -- Newhall and Punongbayan, (eds.), 1996, Philippine Institute of Volcanology and Seismology, Quezon City, and the University of Washington Press, Seattle, 1126p.
Pinatubo - Fire and Mud - Eruptions and Lahars of Mount Pinatubo, Philippines -- Newhall and Punongbayan, (eds.), 1996, Philippine Institute of Volcanology and Seismology, Quezon City, and the University of Washington Press, Seattle, 1126p.
Pinatubo - Volcanic Disaster Averted in the Philippines -- Excerpt from: Wright and Pierson, 1992, USGS Circular 1073
vulcan.wr.usgs.gov /Volcanoes/Philippines/Pinatubo/framework.html   (0 words)

 EO Study: Astronauts Photograph Mount Pinatubo Page 1
The climactic explosions of June 14–16, 1991, blasted away the summit of Pinatubo, blew down surrounding forests, and rained hundreds of cubic meters of loose sand and gravel down on the mountain’s upper slopes.
The eruption had two major environmental effects which are readily documented from low-Earth orbit: the distribution of vast quantities of sulfur dioxide aerosols into the stratosphere; and the post-eruption mudflows, or lahars, which are recognized as the major natural hazard from the eruption.
The summit of Pinatubo was blasted away, the forests were blown down, and hundreds of meters of loose sand and gravel rained down on the mountain’s upper slopes.
eobglossary.gsfc.nasa.gov /Study/AstronautPinatubo   (446 words)

 Fire and Mud : Eruptions and Lahars of Mount Pinatubo, Philippines (w/ disk):0295975857:Newhall, Christopher G.; ...
Precursory seismicity and forecasting of the June 15, 1991, eruption of Mount Pinatubo
Meteorological observations of the 1991 Mount Pinatubo eruption
The 1991 lahars of southwestern Mount Pinatubo and evolution of the lahar-dammed Mapanuepe Lake
www.ecampus.com /bk_detail.asp?isbn=0295975857   (1056 words)

 Mount Pinatubo - Free English Encyclopedia from Turkcebilgi
The word 'pinatubo' means 'to have made grow' in the Tagalog and Sambal languages, which may suggest a knowledge of its previous eruption in about ADandamp;nbsp;1500, although there is no oral tradition among local people of earlier large eruptions.
The birth of modern Pinatubo occurred in the most explosive eruption in its history, which deposited pyroclastic flow material up to 100andamp;nbsp;metres thick on all sides of the mountain.
Its epicentre was about 100andamp;nbsp;km northeast of Pinatubo, leading some volcanologists to speculate that it might ultimately have triggered the 1991 eruption, although this is impossible to prove conclusively.
www.turkcebilgi.com /ansiklopedi/english/Mount_Pinatubo   (3804 words)

 Teachers' Domain: Mount Pinatubo: The Aftermath of a Volcanic Eruption
Pinatubo's 1991 eruption stands as the second-most-powerful volcanic event on Earth in more than a century.
Within hours after Pinatubo's eruption, a typhoon began dumping heavy rains on the area.
The rainwater mixed with the loose volcanic material on the volcano's slopes to form a dense, viscous mud with the consistency of wet cement and cause mudflows, called lahars, to race down Pinatubo's slopes.
www.teachersdomain.org /9-12/sci/ess/earthsys/lahar/printer_friendly.html   (496 words)

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