BlogArena

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

21. Aug 2019

November 24, 2018
by Guest Post
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Seismologist Jessica Irving uses massive earthquakes to unlock secrets of the outer core

By applying new data and Princeton’s supercomputers to the classic question of what lies beneath our feet, Princeton seismologist Jessica Irving and an international team of colleagues have developed a new model for the Earth’s outer core, a liquid iron … Continue reading

June 9, 2017
by Shams
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Bent rail tracks after a New Zealand earthquake

On 4 September 2010, a powerful 7.1 magnitude earthquake struck the South Island of New Zealand near Christchurch. The earthquake’s epicentre was 40 kilometres (25 mi) west of Christchurch, near the town of Darfield. Its known as the Canterbury earthquake or … Continue reading

May 4, 2014
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California Faults Moved Quietly After Baja Quake

A new NASA study finds that a major 2010 earthquake in northern Mexico triggered quiet, non-shaking motions on several Southern California faults that released as much energy as a magnitude 4.9 to 5.3 earthquake. The quiet motion associated with the … Continue reading

April 10, 2014
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How (and when) Earth got its plated shell

New Yale-led research suggests how and when Earth came to develop one of its most distinct features — rigid tectonic plates — and why Venus, Earth’s twin-like neighbor, never has. “We think it all comes down to the behavior of … Continue reading

January 25, 2014
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Threat of Earthquakes Occurring in Central United States Still Alive

PASADENA, Calif. — Earthquake activity in the New Madrid Seismic Zone in the central United States does not seem to be slowing down.  In a new study published in the journal “Science,” seismologists Morgan Page and Susan Hough of the … Continue reading

April 30, 2013
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Listening to the Big Bang – in high fidelity

A decade ago, spurred by a question for a fifth-grade science project, University of Washington physicist John Cramer devised an audio recreation of the Big Bang that started our universe nearly 14 billion years ago. Now, armed with more sophisticated … Continue reading

January 10, 2013
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Magma in Earth’s Mantle Forms Deeper Than Once Thought

Study simulating pressures in mantle beneath the ocean floor shows that rocks can melt at depths up to 250 kilometers Magma forms far deeper than geologists previously thought, according to new research results. A team led by geologist Rajdeep Dasgupta … Continue reading

November 19, 2012
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Fishing for Answers off Fukushima

Japan fisheries data provides a look at how the ocean is faring 18 months after the worst accidental release of radiation to the ocean in history Japan’s “triple disaster,” as it has become known, began on March 11, 2011, and … Continue reading