books.google.com.pk - We expect anything to move, but not the earth! And we certainly do not expect mountains to throw the earth's innards into the sky! Nothing is as frightening as to feel the earth shake under our feet or to see flaming lava spew from unknown depths, moving mercilessly towards us. The aim of the authors...http://books.google.com.pk/books/about/Why_the_earth_quakes.html?hl=de&id=wbXSvhWsgGAC&utm_source=gb-gplus-shareWhy the earth quakes
