News tagged with subduction zone
Related topics: earthquake
WHOI experts stress lessons From Japan earthquake
While Japan's 8.9-magnitude earthquake and accompanying tsunami represent a devastating natural disaster for the country's residents, scientists should also seize upon the massive temblor as an important learning tool for ...
Space & Earth / Earth Sciences
Mar 14, 2011 |
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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 ...
Space & Earth / Earth Sciences
Mar 04, 2011 |
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'Array of arrays' coaxing secrets from unfelt seismic tremor events
Every 15 months or so, an unfelt earthquake occurs in western Washington and travels northward to Canada's Vancouver Island. The episode typically releases as much energy as a magnitude 6.5 earthquake, but ...
Space & Earth / Earth Sciences
Dec 13, 2010 |
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Geophysicists claim conventional understanding of Earth's deep water cycle needs revision
A popular view among geophysicists is that large amounts of water are carried from the oceans to the deep mantle in "subduction zones," which are boundaries where the Earth's crustal plates converge, with ...
Space & Earth / Earth Sciences
Oct 18, 2010 |
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Breakthrough achieved in explaining why tectonic plates move the way they do
A team of researchers including Scripps Institution of Oceanography, UC San Diego geophysicist Dave Stegman has developed a new theory to explain the global motions of tectonic plates on the earth's surface.
Space & Earth / Earth Sciences
Jul 16, 2010 |
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Oregon may build nation's first tsunami evacuation structure
Residents of a small Oregon coastal community are moving closer to the creation of something that's never before been built in the United States - a structure designed specifically to withstand a major earthquake ...
Space & Earth / Earth Sciences
May 24, 2010 |
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Odds are about 1-in-3 that a mega-earthquake will hit the Northwest in the next 50 years
The major earthquakes that devastated Chile earlier this year and which triggered the catastrophic Indonesian tsunami of 2004 are more than just a distinct possibility to strike the Pacific Northwest coast of the United States, ...
Space & Earth / Earth Sciences
May 24, 2010 |
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Earth's mantle flows fast
(PhysOrg.com) -- The Earth's mantle flows far more rapidly around a sinking tectonic plate than previously thought, according to new computer modeling by UC Davis geologists. The findings could change the ...
Space & Earth / Earth Sciences
May 19, 2010 |
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Aseismic slip as a barrier to earthquake propagation
On August 15, 2007, a magnitude 8.0 earthquake struck in Central Peru, killing more than 500 people—primarily in the town of Pisco, which was heavily damaged by the temblor—and triggering a tsunami that flooded ...
Space & Earth / Earth Sciences
May 05, 2010 |
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Tremors between slip events: More evidence of great quake danger to Seattle
(PhysOrg.com) -- For most of a decade, scientists have documented unfelt and slow-moving seismic events, called episodic tremor and slip, showing up in regular cycles under the Olympic Peninsula of Washington state and Vancouver ...
Space & Earth / Earth Sciences
Dec 15, 2009 |
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Tsunami evacuation buildings: another way to save lives in the Pacific Northwest
Some time soon, a powerful earthquake will trigger a massive tsunami that will flood the Pacific Northwest, destroying homes and threatening the lives of tens of thousands of people, says Yumei Wang, a geotechnical ...
Space & Earth / Earth Sciences
Oct 19, 2009 |
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New Sumatra quake takes seismologists by surprise
The huge earthquake that hit Sumatra occurred at a deep, unexpected location, illustrating the dangerously complex geological mosaic in this area, a seismologist told AFP on Thursday.
Space & Earth / Earth Sciences
Oct 01, 2009 |
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New data: Mega-quake could strike near Seattle
Using sophisticated seismometers and GPS devices, scientists have been able to track minute movements along two massive tectonic plates colliding 25 miles or so underneath Washington state's Puget Sound basin. Their early ...
Space & Earth / Earth Sciences
Aug 16, 2009 |
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Shaking the Earth: How Water Helps Tectonic Plates Slide in New Zealand
(PhysOrg.com) -- New Zealand is the site of one of the world’s youngest subduction zones, where the Pacific Plate of Earth’s crust dives beneath the Australian Plate. Now, a University of Utah study shows ...
Space & Earth / Earth Sciences
Aug 05, 2009 |
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Scientists: Silent tremors may foretell next Big One
The seismometer is snugged in its hole and tamped over with dirt. Now it's time for the stomp test.
Space & Earth / Earth Sciences
Jul 06, 2009 |
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