Explosive Magma Can Lurk for 100000 Years
September 12, 2013 | University of Washington
"Reservoirs of silica-rich magma -- the kind that causes the most explosive volcanic eruptions -- can persist in the Earth's...
Most Popular April 16 to April 30
May 1, 2013 | Geology.com
Diamonds Do Not Form From Coal
The Falling Gold Price
What is a Maar?
Monitoring the Fire Below Yellowstone
Capturing an Asteroid
March 25, 2013 | Geology.com
Pumice is a light-colored, extremely porous, igneous rock that forms during explosive volcanic eruptions. It is used as aggregate in...
Impact of Volcanic Ash on Air Traffic
January 16, 2013 | United States Geological Survey
This USGS video explains the impact of volcanic ash on air traffic and the work of USGS scientists in monitoring...