News tagged with subduction zone

Related topics: earthquake

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

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

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

created Aug 16, 2009 | popularity 4.9 / 5 (14) | comments 2

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

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

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

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

created Dec 15, 2009 | popularity 4.4 / 5 (8) | comments 0

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

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 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

created Oct 01, 2009 | popularity 4.5 / 5 (6) | comments 1

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

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

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

Locations of strain, slip identified in major earthquake fault

Deep-sea drilling into one of the most active earthquake zones on the planet is providing the first direct look at the geophysical fault properties underlying some of the world's largest earthquakes and tsunamis.

Space & Earth / Earth Sciences

created Feb 15, 2009 | popularity 4.8 / 5 (4) | comments 0

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