Mt pinatubo?

Question

Hi,

I'm finidng it hard to understand what cause the mt pinatubo eruption i know it was the subduction of plates that lead to the build up of the andestites and lead to pyroclastic explosion but ii aint sure whether it was from the pacific plate going under the phillipine plate...which causes the mariana island arc (i dont know if my pinatubo is apart of it) or whther it was the phillipine plate going under the eurasian plate......

please help clear things up

thanks

Answer 1

this video can help you

http://theclickinfo.com/cse:mt_pinatubo_...

Answer 2

The Phillipine Plate is heavier than the Eurasian Plate and moves in a northwest direction. It hit the Eurasian Plate and went down, causing the Mt. Pinatubo eruption.

Answer 3

http://en.wikipedia.org/wiki/Mount_Pinat...