News tagged with subduction zone

Related topics: earthquake

Scientists find odd twist in slow 'earthquakes': Tremor running backwards

Earthquake scientists trying to unravel the mysteries of an unfelt, weeks-long seismic phenomenon called episodic tremor and slip have discovered a strange twist. The tremor can suddenly reverse direction ...

Space & Earth / Earth Sciences

created May 22, 2011 | popularity 4.8 / 5 (9) | comments 2 | with audio podcast

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

created Oct 18, 2010 | popularity 4.9 / 5 (17) | comments 3 | with audio podcast

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

created Aug 05, 2009 | popularity 4.1 / 5 (7) | comments 1

New understanding of Earth's lithosphere-asthenosphere boundary beneath the Pacific Ocean

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. ...

Space & Earth / Earth Sciences

created Mar 22, 2012 | popularity 4.3 / 5 (4) | comments 0 | with audio podcast

New research on Japanese quake ominous for Pacific Northwest

Scientists are still unraveling last year's giant Tohoku earthquake and tsunami in Japan, and some of what they're finding doesn't bode well for the Pacific Northwest.

Space & Earth / Earth Sciences

created Feb 21, 2012 | popularity 4.9 / 5 (7) | comments 14

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 ...

Space & Earth / Earth Sciences

created Nov 24, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

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.

Space & Earth / Earth Sciences

created Jun 21, 2011 | popularity 3.5 / 5 (2) | comments 0 | with audio podcast

Researchers release first large observational study of 9.0 Tohoku-Oki earthquake

When the magnitude 9.0 Tohoku-Oki earthquake and resulting tsunami struck off the northeast coast of Japan on March 11, they caused widespread destruction and death. Using observations from a dense regional ...

Space & Earth / Earth Sciences

created May 19, 2011 | popularity 5 / 5 (4) | comments 4 | with audio podcast

Report cites 'liquefaction' as key to much of Japanese earthquake damage

(PhysOrg.com) -- The massive subduction zone earthquake in Japan caused a significant level of soil "liquefaction" that has surprised researchers with its widespread severity, a new analysis shows.

Space & Earth / Earth Sciences

created Apr 18, 2011 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Europe may be slowly disappearing under Africa: research

(PhysOrg.com) -- At the European Geosciences Union (EGU) meeting last week, lead researcher Rinus Wortel from the University of Utrecht presented the findings that Europe is slowly moving under Africa, creating ...

Space & Earth / Earth Sciences

created Apr 12, 2011 | popularity 4.5 / 5 (4) | comments 18 | with audio podcast report

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

created Mar 04, 2011 | popularity 4.8 / 5 (8) | comments 0 | with audio podcast

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

created Jul 16, 2010 | popularity 4.4 / 5 (33) | comments 8 | with audio podcast

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

created May 24, 2010 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

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

created May 19, 2010 | popularity 4.6 / 5 (9) | comments 3 | with audio podcast

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

created May 05, 2010 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast