1.   And when two continental plates collide, the undersides of the continents might detach and sink down into the mantle.

2.   It has more than its share of earthquakes because four tectonic plates collide in that region.

3.   Taiwan is especially quake-prone because it is where giant geological plates collide into each other.

4.   When plates collide, one is often driven below the other, plunging hundreds of miles into the hot earth in a process known as subduction.

5.   Where plates collide on Earth, volcanoes spit out lava called andesite that is rich in silica.

6.   When these plates collide, scrape or dive past one another, earthquakes occur.