News tagged with subduction zones

Studying ancient Earth's geochemistry

Researchers still have much to learn about the volcanism that shaped our planet's early history. New evidence from a team led by Carnegie's Frances Jenner demonstrates that some of the tectonic processes driving volcanic ...

dateJan 18, 2013 in Earth Sciences
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Scientists pinpoint great-earthquake hot spots

The world's largest earthquakes occur at subduction zones - locations where a tectonic plate slips under another. But where along these extended subduction areas are great earthquakes most likely to happen? Scientists have ...

dateDec 05, 2012 in Earth Sciences
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Plate tectonics coming of age

(PhysOrg.com) -- Plate tectonics in its current form is believed to have started one billion years ago. A study of two billion year old rocks from African gold mines has now shown that the same process of ...

dateNov 24, 2011 in Earth Sciences
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Greater tsunami threat identified

The shape of the seabed where the 2004 Sumatra earthquake struck may indicate that the strength of the underlying rocks added to the size of the resulting tsunami, according to new research.

dateJun 21, 2011 in Earth Sciences
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New system can warn of tsunamis within minutes

Seismologists have developed a new system that could be used to warn future populations of an impending tsunami only minutes after the initial earthquake. The system, known as RTerg, could help reduce the death toll by giving ...

dateMar 04, 2011 in Earth Sciences
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