Ancient Pinatubo had a number of flank vents that formed the domes of Mount Negron, Mount Cuadrado, Mataba, Bituin plug, and the volcanic plug of Tapungho. United States Geological Survey. According to the native elders, Apo Namalyari induced the June eruption because of displeasure toward illegal loggers and Philippine National Oil Company executives who performed deep exploratory drilling and well testing on the volcano looking for geothermal heat from to The eruption had a significant effect on ozone levels in the atmosphere, causing a large increase in the destruction rate of ozone. Part of a series on the. It is located at the plate boundary between to the Eurasian and Philippine Plate. Many farmers near Pinatubo began growing crops such as peanuts, cassava and sweet potatoes, which are quick-ripening and could be harvested before the threat of lahar floods during the late summer rainy season.

You are commenting using your Facebook account. Bakil nin Pinatobo ; Kapampangan: But if the mountain did blow today, monitoring it would be slightly easier, thanks to 20 years of technological advances. Volcanic activity increased throughout May. On July 16, , the major Luzon earthquake of magnitude 7. The United States Air Force initiated a massive airlift effort to evacuate American service members and their families from the two affected bases during and immediately following the eruption, named Operation Fiery Vigil. In late May, the number of seismic events under the volcano fluctuated from day-to-day.

Archived from the original PDF on 20 January The former summit of the volcano was obliterated and replaced by a caldera 2.

mount pinatubo – GCSE Geography – Marked by

The eruption had a significant effect on ozone levels stucy the atmosphere, causing a large increase in the destruction rate of ozone.

Archived from the original on 14 November In andthe average temperature in the Northern Hemisphere was reduced 0. There was 10 cm of ash covering an area of square kilometers square miles. On July 16,the major Luzon earthquake of pinagubo 7. The eruption produced high-speed avalanches of hot ash and gas, massive lahar floods and huge clouds of superheated volcanic material hundreds of kilometers across.


geography case study mount pinatubo

On June 7, the first magmatic eruptions took place with the formation of a lava dome at the summit of the volcano. By using this site, you agree to the Terms of Use and Privacy Policy. Two hours after the last of these four explosions, a series of eruptions began which lasted for the next twenty-four hours, and which saw the production of much larger pyroclastic flows and surges which travelled several kilometres down river valleys on the flanks of the volcano.

geography case study mount pinatubo

The base has been repurposed as a trade and commercial center with large airport. A blanket of volcanic ash sand- and silt-size grains of volcanic minerals and glass and larger pumice lapilli frothy pebbles blanketed the countryside. It caused numerous major earthquakes pjnatubo to the collapse of the summit and the creation of a caldera 2.

Pinatubo Volcano Case Study () – geographywizard

A slightly different case study here in the sense that Philippines is a Less developed country, whilst my previous case study post, Iceland, was classed an MEDC.

Monitoring instruments have also improved greatly in performance while at the same time dropping in price and power consumption. Employees in the News.

June Learn how and when to remove this template message. This toll could have been a lot higher if it were not for volcano monitoring, proactive evacuation plans, and luck.

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

Pinatubo was heavily erodedinconspicuous and obscured from view. This volcano has experienced major eruptions approximately, and years before present B. The willingness of base commanders, public officials and citizens to take the necessary precautions lessened the risk from this catastrophic eruption.


The Clark Air Base sprawled over nearly 10, acres with its western end nestled in the lush, gently rolling foothills of the Zambales Mountains—only 9 miles 14 km east of Mount Pinatubo. The maximum reduction in global temperature occurred in August with a reduction of 0.

Remarkable sunrises and sunsets were visible around the globe in the years following the Mount Pinatubo eruption. Finally — produce a one paragraph summary of the hazard event. In other projects Wikimedia Commons. Eruptions and Lahars of Mount Pinatubo, Philippines.

geography case study mount pinatubo

Damage to Clark Air Force Base airplane hangers collapsed under the weight of wet volcanic ash from the eruption of Mount Pinatubo in Agricultural based industries were also greatly affected. After the areas surrounding stkdy volcano were declared safe, many Aetas returned to their old villages only to find them destroyed by pyroclastic and lahar deposits.

Among these is the construction of mega dikes. Uses editors parameter Commons category link from Wikidata Articles with hAudio microformats. It ejected roughly 10,, tonnes 1. Their fight, which took place over the center plains, shattered the mountain into smaller bodies and Mount Stuy lost its center peak. He recognized two life histories of the mountain, which he classified as “ancestral” and “modern” Pinatubo.