News tagged with continents

Related topics:

Supervolcanoes: Not a threat for 2012

The geological record holds clues that throughout Earth's 4.5-billion-year lifetime massive supervolcanoes, far larger than Mount St. Helens or Mount Pinatubo, have erupted. However, despite the claims of ...

Nov 15, 2011 4.3 / 5 (6) 17