Abstract

Eruption of Mount Mayon causes severe loss of human life and damage to property. The main damage is caused during an eruption and from subsequent erosion of the deposited material. Heavy rainfall in the Mayon area erodes volcanic deposits, mainly pyroclastic and ash deposits, which flow as lahar to the foothill of the mountain. These lahar flows cause drastic damage to the economically important areas. It is therefore important to detect the volcanic deposits on Mount Mayon to develop mitigation plans for future disasters. In this study an attempt was made to apply the SAR interferometric technique to detect the volcanic deposits. Using interferometric technique, height of the volcanic deposits of February 1993 eruption on Mount Mayon were identified with the accuracy of 5 to 10 meters.

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