BlogArena

General blog about anything and everything of everyday's life.

18. Sep 2019

September 16, 2014
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New View of Rainier’s Volcanic Plumbing

Electrical Images Show Upward Flow of Fluids to Magma Chamber By measuring how fast Earth conducts electricity and seismic waves, a University of Utah researcher and colleagues made a detailed picture of Mount Rainier’s deep volcanic plumbing and partly molten … Continue reading

September 1, 2013
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Magma can survive in upper crust for hundreds of millennia

Reservoirs of silica-rich magma – the kind that causes the most explosive volcanic eruptions – can persist in Earth’s upper crust for hundreds of thousands of years without triggering an eruption, according to new University of Washington modeling research. That … Continue reading

March 25, 2013
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Lunar impacts created seas of molten rock

A new analysis of data from NASA’s Lunar Orbiter Laser Altimeter (LOLA) shows that molten rock may have been present on the Moon more recently and for longer periods than previously thought. Differentiation — a settling out of rock layers … Continue reading

May 27, 2012
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Landmark Volcano Study Brings to Life Huge Alaska Eruption on its Centennial

MENLO PARK, Calif. – 100 years ago, in June 1912, the most powerful volcanic eruption of the 20th century took place in what is now Alaska’s Katmai National Park and Preserve. This massive volcanic event once again comes alive for … Continue reading

March 24, 2012
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New Understanding of Earth’s Mantle Beneath The Pacific Ocean

Washington, D.C. — Scientists have long speculated about why there is a large change in the strength of rocks that lie at the boundary between two layers immediately under Earth’s crust: the lithosphere and underlying asthenosphere. Understanding this boundary is … Continue reading

January 15, 2012
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Some Earthquakes Expected Along Rio Grande Rift in Colorado And New Mexico, New Study Says

The Rio Grande Rift, a thinning and stretching of Earth’s surface that extends from Colorado’s central Rocky Mountains to Mexico, is not dead but geologically alive and active, according to a new study involving scientists from the University of Colorado … Continue reading

April 11, 2011
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Yellowstone’s Electrical Conductivity Hints Volcano Plume is Bigger Than Thought

WASHINGTON — Geophysicists have made the first large-scale picture of the electrical conductivity of the gigantic underground plume of hot and partly molten rock that feeds the Yellowstone supervolcano. The image suggests that the plume beneath the volcanically active area—renowned … Continue reading

December 15, 2010
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Cassini Spots Potential Ice Volcano on Saturn Moon

PASADENA, Calif. — NASA’s Cassini spacecraft has found possible ice volcanoes on Saturn’s moon Titan that are similar in shape to those on Earth that spew molten rock. Topography and surface composition data have enabled scientists to make the best … Continue reading