Natural Disasters

Mount Pinatubo

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Date ABSTRACT

Mount Pinatubo located on the boundaries of Pampanga , Tarlac and Zambales , Philippines has erupted on the 15th of June 1991 . With the arrival of Storm Yunya , the impacts of the eruption worsen as the lahar rushes down the lowlands . Villages near the foot of Pinatubo were buried . Forests and agri-lands were devastated . Americans destined in Clark Air Base left Philippines

and never came back . Hundreds of Billions of Peso worth of buildings , houses , bridges and other infrastructures were damaged . Inspite the effort of the government and other volunteer groups , the death count was 737 which were caused directly by the eruption , lahar and diseases brought by the cramped evacuation centers . 195 were injured and 24 were reported missing . The eruption has global impact . It was thought to have ended the drought in San Francisco and have caused the flooding in China . It depleted the ozone layer . It caused what the scientist called regional nuclear winter

I . Introduction

Pinatubo is one of the many volcanoes found in the Philippines . It is located on the boundaries of Pampanga , Tarlac and Zambales . It was elevated at a height of 1 .745 km and has base diameter of 40 km . No data of its past eruptions were recorded until June of 1991 . The impact of Pinatubo 's eruption did not only affect the Filipinos and the natives living near the foot of the volcano but also the Americans destined in the Clark Air Base , a U .S . military base in the Philippines . The rest of the world as well was affected

Fig . 1 Vicinity Map of Pinatubo

II . An Overview

The impact of the eruption of Pinatubo has worsened when storm Yunya arrived . The devastation done by both the eruption and the storm was so severe that a missing . Thousands of families were left homeless . Hundreds of billions of Peso worth of properties were destroyed

The effect of its eruption was experienced globally . I was believed to have caused some natural disasters such as the flooding in China According to some scientists , the eruption contributed to what they call a regional nuclear winter . The gases that were emitted depleted the ozone layer

III . Pinatubo 's Fury

The fury of Pinatubo started with a hydrothermal explosion on April 2 1991 . A heavy rumbling sound was heard as it emitted steam clouds and 500 to 800 m high ashes . Scientists and volcanologists from the Philippine Institute of Volcanology and Seismology (PHILVOLCS ) monitored Pinatubo 's activities from their various monitoring stations . From April 6 to June 6 , scientists recorded a maximum 178 high frequency volcanic quakes (HFVQ . On June 3 , Pinatubo emitted ashes for 30 minutes . On June 8 , 3 :25 PM , an explosion type earthquake was recorded . June 9 , 2 :00 PM the seven steaming vents emitted ashes . It was followed by an emission of thick ashclouds which...