2007-02-11 18:46:46 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology
The Philippines is located above a "subduction zone" (an area where the earths crust is destroyed. As this rock is buried it melts (under high pressure and temp) to form a magma. This magma is then forced up forming magma chambers which feed the volcanoes. This is referred to as a "volcanic arc"
look here for a definition of a volcanic arc:
http://en.wikipedia.org/wiki/Volcanic_arc
2007-02-11 23:19:17 · answer #1 · answered by GeoChris 3 · 1⤊ 0⤋
The Philippine Islands are mostly volcanic islands - they were made by volcanoes growing and growing until the volcanoes reached out of the ocean and became islands.
2007-02-11 18:53:19 · answer #2 · answered by ecolink 7 · 1⤊ 0⤋
It's located on a major fault line
2007-02-11 18:49:36 · answer #3 · answered by Anonymous · 0⤊ 1⤋