File: krakatau_g4755.jpg | Hits
More on VolcanoDiscovery:
Introduction to Plate Tectonics
: The Earth's upper, rigid layer is broken into several plates which are in constant motion to one another. Most earthquakes and volcanoes occur as result of these plate boundaries.
List and interactive map of recent earthquakes world-wide.
Definition of a volcano
: A volcano is the term for any place on the surface of the earth, where hot molten rock (magma) reaches the surface.