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Latest Nankai Trough Stories

Japan Earthquake Produced Largest Slip Ever Recorded
2013-02-08 05:47:23

Alan McStravick for redOrbit.com - Your Universe Online As we are quickly approaching the two-year anniversary of the Tohoku-Oki earthquake that prompted the devastating Honshu tsunami, we learned this week about a rapid-response drilling operation at the site of the earthquake. The March 2011 earthquake, a magnitude 9.0 temblor, was responsible for producing a 164-foot-tall slip along the fault. This is the single largest slip ever recorded in an earthquake. Needless to say, such a...

2011-09-15 12:39:07

New study goes deeper in proving simple technique to pinpoint valuable energy source Their critics weren't convinced the first time, but Rice University researchers didn't give up on the "ice that burns." A paper by a Rice team expands upon previous research to locate and quantify the amount of methane hydrates -- a potentially vast source of energy -- that may be trapped under the seabed by analyzing shallow core samples. The paper published this week by the Journal of Geophysical...

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2011-06-30 09:15:29

Samples of rock, sediment from beneath the sea-floor help explain quakes like Japan's New samples of rock and sediment from the depths of the eastern Pacific Ocean may help explain the cause of large, destructive earthquakes similar to the Tohoku Earthquake that struck Japan in mid-March. Nearly 1,500 meters (almost one mile) of sediment cores collected from the ocean floor off the coast of Costa Rica reveal detailed records of some two million years of tectonic activity along a seismic plate...

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2009-10-10 08:06:32

IODP Expedition 322 of the Nankai Trough Seismogenic Zone Experiment Stage 2 complete An international group of scientists aboard the Deep-Sea Drilling Vessel CHIKYU, operated by the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) for the Integrated Ocean Drilling Program (IODP), return from a 40-day scientific expedition off the shore of the Kii Peninsula, Japan on Oct. 10, 2009. Expedition 322, called "Subduction Inputs" in the multi-stage project, conducted drilling, logging...

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2009-09-05 14:09:27

Scientists return from first ever riser drilling operations in seismogenic zone The Deep-sea Drilling Vessel CHIKYU successfully completed riser drilling operations on Aug. 31, for IODP Expedition 319, Stage 2 of the Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE). The CHIKYU is operated by the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) in partnership with the Integrated Ocean Drilling Program. The expedition began with drilling operations at the Kumano Basin, off...

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2009-07-30 10:50:00

Kumano Basin off Kii Peninsula, approximately 58 km southeast of Japan"” Despite harsh atmospheric and ocean conditions, and complex geological characteristics of its drill site, the deep-sea drilling vessel CHIKYU, for the first time in the history of scientific ocean drilling, conducted riser-drilling operations to successfully drill down to a depth of 1,603.7 meters beneath the sea floor (at water depth of 2,054 meters). Engaged in IODP Expedition 319, the CHIKYU is drilling deep...

2009-07-30 10:25:11

Researchers aboard drilling vessel Chikyu report successful completion of first riser-drilling operations in earthquake zone.Kumano Basin off Kii Peninsula, approximately 58 km southeast of Japan"” Despite harsh weather and ocean conditions, and complex geological characteristics of its drill site, the deep-sea drilling vessel CHIKYU, for the first time in the history of scientific ocean drilling, conducted riser-drilling operations to drill successfully down to a depth of 1,603.7...

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2009-06-10 15:07:55

Scientists have made the surprising finding that typhoons trigger slow earthquakes, at least in eastern Taiwan. Slow earthquakes are non-violent fault slippage events that take hours or days instead of a few brutal seconds to minutes to release their potent energy. The researchers discuss their data in a study published the June 11, issue of Nature. "From 2002 to 2007 we monitored deformation in eastern Taiwan using three highly sensitive borehole strainmeters installed 650 to 870 feet...

2009-05-01 08:23:11

The drillship JOIDES Resolution ("JR") has returned to international operations, and will make a port call in Honolulu, Hawaii, May 5-9, 2009.When it arrives, an international team of scientists studying seafloor sediments will have completed the first of two nine-week Integrated Ocean Drilling Program (IODP) expeditions to the equatorial Pacific Ocean.After more than two years of rebuilding, the JR has new capabilities that include an upgraded sub-sea camera system, improved core handling...

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2009-03-23 14:15:07

In the future, natural gas derived from chunks of ice that workers collect from beneath the ocean floor and beneath the arctic permafrost may fuel cars, heat homes, and power factories. Government researchers are reporting that these so-called "gas hydrates," a frozen form of natural gas that bursts into flames at the touch of a match, show increasing promise as an abundant, untapped source of clean, sustainable energy. The icy chunks could supplement traditional energy sources that are in...


Word of the Day
glogg
  • Scandinavian punch made of claret and aquavit with spices and raisins and orange peel and sugar.
This word comes from the Swedish 'glogg,' which is an alteration of 'glodgat,' mulled (wine).
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