News tagged with magma

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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

Magma chambers awake sooner than thought

Until now it was thought that once a volcano's magma chamber had cooled down it remained dormant for centuries before it could be remobilized by fresh magma. A theoretical model developed by Alain Burgisser of the Orléans ...

Mar 07, 2011 5 / 5 (4) 0

Magma power for geothermal energy?

When a team of scientists drilling near an Icelandic volcano hit magma in 2009, they had to abandon their planned experiments on geothermal energy. But the mishap could point the way to an alternative source of geothermal ...

Feb 17, 2011 5 / 5 (2) 4

Hot stuff: Magma at shallow depth under Hawaii

Ohio State University researchers have found a new way to gauge the depth of the magma chamber that forms the Hawaiian Island volcanic chain, and determined that the magma lies much closer to the surface than previously thought.

Dec 13, 2010 4.6 / 5 (5) 0 | with audio podcast