Posts Tagged ‘volcanoes’
Volcano event lines up with pre-dino die-offs
COLUMBIA U. (US) — New evidence from around the world links the abrupt disappearance of half of Earth’s species 200 million years ago to a precisely dated set of gigantic volcanic eruptions. Continue…
Friday, April 5, 2013 12:18 - 1 Comment
Earth & Environment - Feb 7, 2013 12:18 - 3 Comments
Did key volcanoes cause climate flip-flops?
RICE (US) — Volcanoes at key locations where enormous amounts of carbon dioxide are poised for release may have driven Earth’s back and forth between greenhouse and icehouse states over the past 500 million years. (more…)
Earth & Environment - Jan 11, 2013 10:25 - 1 Comment
To find where rock melts, go deeper
RICE (US) — Magma melts hotter and deeper in the Earth than previously thought, a finding that scientists say explains several long-standing puzzles. (more…)
Science & Technology - Nov 26, 2012 15:30 - 1 Comment
To predict volcano’s impact, grab the TNT
U. BUFFALO (US) — Scientists have blown holes into the Earth to study maar craters and, hopefully, better predict the next big volcano. (more…)
Earth & Environment - Oct 24, 2012 10:34 - 1 Comment
Hawaii’s dueling volcanoes share deep link
RICE (US) — A deep connection about 50 miles underground can explain the enigmatic behavior of two of Earth’s most notable volcanoes, Hawaii’s Mauna Loa and Kilauea. (more…)
Top Stories - Oct 17, 2012 6:39 - 0 Comments
Volcano’s scale may hinge on first bubbles
MCGILL (CAN) — Whether a volcano’s eruption will be a big boom or slow fizzle may depend on the first 10 seconds of bubble growth in magma, research suggests. (more…)
Earth & Environment - Oct 15, 2012 12:49 - 0 Comments
Volcanoes fire when hot, cold magma meet
U. SOUTHAMPTON (UK) — When hotter and colder magma combine, they can set off the largest explosive volcanic eruptions on Earth, say researchers. (more…)
Earth & Environment - Oct 3, 2012 10:34 - 0 Comments
Fleeting volcano erupts once, then dies
U. BUFFALO (US) — A marriage of magma and water below the surface of the earth is behind a specific type of volcano that erupts only once before dying. (more…)
Science & Technology - Sep 4, 2012 14:45 - 1 Comment
Syria’s ancient tools traced to volcano in Turkey
U. SHEFFIELD (UK) — Archeologists have uncovered the origin and trading routes of razor-sharp tools used in Syria 4,200 years ago. (more…)
Science & Technology - Jun 12, 2012 17:17 - 0 Comments
‘Extreme’ microbes found in high-altitude volcanoes
U. COLORADO-BOULDER (US) — Researchers hunting for organisms that exist in extreme environments on Earth have found some living in volcanoes in South America. (more…)
Earth & Environment - Jun 12, 2012 8:40 - 0 Comments
Wisps of gas may fuel ‘extremophile’ bugs
U. COLORADO-BOULDER (US) — Researchers have discovered some hardy microbes that are eking out a living on volcanoes in South America, a Martian-like landscape that is one of the most inhospitable places on Earth. (more…)
Science & Technology - May 31, 2012 13:48 - 0 Comments
Giant volcano eruptions may build quickly
VANDERBILT (US) — Enormous volcanic eruptions with the potential to end civilizations may have surprisingly short fuses, researchers have discovered. (more…)
Science & Technology - May 29, 2012 10:37 - 0 Comments
More evidence early Mars was a ‘watery world’
GEORGIA TECH (US) — Analysis of ancient volcanic eruptions offers more evidence early Mars was saturated with water and that its atmosphere was considerably thicker—at least 20 times more dense—than it is today. (more…)
Earth & Environment - Apr 13, 2012 13:02 - 0 Comments
Volcanic ‘plumbing’ may predict quakes
U. ROCHESTER (US) / U. LEEDS (UK) — The “plumbing systems” that lie under volcanoes may bring scientists closer to predicting large scale eruptions and plate ruptures. (more…)
Earth & Environment - Mar 27, 2012 10:44 - 0 Comments
Despite shared habitat, two species divide
U. ILLINOIS / UC DAVIS (US) — One species of microbe has divided into two, despite no physical barriers keeping them apart, researchers report. (more…)
