This section does not cite any sources. The most abundant phenocryst minerals were hornblende and plagioclase , but an unusual phenocryst mineral was also present — the calcium sulfate called anhydrite. It was said to comprise the whole mountain range until Sinukuan of Mount Arayat the god of the Kapampangans became a strong rival of Namalyari. Volcanic ash is blown in all directions over hundreds of KMs, smothering fields and buildings. The government implemented several rehabilitative and reconstructive programs. Near Mount Pinatubo, the United States maintained two large military bases in the region.

More than 8, houses were completely destroyed, and a further 73, were damaged. The eruption cloud shortly before the colossal climactic eruption. Today, data received at PVO would be forwarded to colleagues in the U. The old volcano is exposed in the walls of an old 3. This triggered more small earthquakes and caused powerful steam explosions that blasted three craters on the North side of the volcano.

Smithsonian Institution — Global Volcanism Program: Colonial period — Bakil nin Pinatobo ; Kapampangan: Most people temporarily relocated to Metro Manilawith some 30, using the Amoranto Velodrome in Quezon City as an evacuee camp.

geography case study mount pinatubo

Much of the rugged land around the present volcano consists of remnants of “ancestral” Pinatubo. Human and Ecological Risk Sfudy The new summit of the volcano was metres lower than what it was before the eruption.

This led to a decrease in northern hemisphere average temperatures of 0. Additionally, another Mount Pinatubo eruption in August killed 72 people.

mount pinatubo – GCSE Geography – Marked by

The willingness of base commanders, public officials and citizens to take the necessary precautions lessened the risk from this catastrophic eruption. In the legend, when being chased by the spirit hunters, Bacobaco flees to the mountain and digs a great hole in its summit showering the surrounding land with rock, mud, dust and fire for three days; howling so loudly that the earth shakes. This event showed the need to engage in scientific studies to reassess the current policies and knowledge on areas with risk shudy eruption.


An estimated people died following the eruption. Typhoon Yunya was believed to exacerbate moknt impacts induced by the volcano. The volcanologists at dtudy Dau command post watched monitoring stations on Pinatubo fail, destroyed by the eruption.

With air assistance from the U. Facts about the Philippines: The United States experienced its third coldest and third wettest summer in 77 years during This team contained Rick Hoblitt and Dave Harlow.

Pinatubo Volcano Case Study () – geographywizard

The Asian Disaster Reduction Center was founded in Kobe, Hyogo prefecture, inwith a mission to improve disaster resilience of its fifty member countries, to build safe communities, and to create a society where there is an achievable mout development.

He recognized two life histories of the mountain, which he classified as “ancestral” and “modern” Pinatubo.

This was a sign that hot magma was pushing up against the stjdy, stretching and bulging the land above.

Dacite was the dominant igneous rock making up the tephra in these eruptions and in the following climactic event. Even before the Philippine government officially appealed for international assistance, the Office of U.


Volcanic Eruption Case study LIC…Mt. Pinatubo, Philippines, 1991…

The Pinatubo Volcano Observatory in was a self-contained unit; data from the monitoring network were radioed to it and the analysis was done by scientists on-site. Thousands of roofs collapsed under the weight of ash made wet by heavy rains.

geography case study mount pinatubo

Delfin for the Philippine National Oil Company as part of the surface investigations of the area before exploratory drilling and well testing for geothermal energy sources in to The services offered are not limited to the victims within the evacuation centers but also offered to the others affected.

Vast quantities of light and heavy metal minerals were brought to the surface. The eruption was among the smallest documented in its geologic record. Blanket of ash at least a half-inch 1 centimeter thick coated 4, square miles 7, square km of the island of Luzon. Global cooling caused by ash in the atmosphere of 0. Huge avalanches of searing hot ash, gas and pumice fragments, called pyroclastic flows, roared down the flanks of Pinatubo, filling once-deep valleys with fresh volcanic deposits as much as feet meters thick.

This implied that there was a rising column of fresh magma beneath the volcano. By the morning egography June 8, a lava dome appeared geogrphy the peak.