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| August 20, 2008 |
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Durham Scientist Explores Sichuan Fault Durham, UK (SPX) Aug 15, 2008 
Durham University expert, Alex Densmore, is to explore the fault lines that caused the May 12th earthquake in China that killed 69,000 people. Dr. Densmore, Director of Hazards Research at the Institute of Hazard and Risk Research at Durham University, is the first UK scientist to visit the region to research the faults and the effects and causes of the Sichuan earthquake since the disaste ... read more |
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Isthmus Of Panama Formed As Result Of Plate Tectonics
Gainesville FL (SPX) Aug 01, 2008Contrary to previous evidence, a new University of Florida study shows the Isthmus of Panama was most likely formed by a Central American Peninsula colliding slowly with the South American continent through tectonic plate movement over millions of years. The study, co-authored by Florida Museum of Natural History researchers Michael Kirby, Douglas Jones and Bruce MacFadden, is published in ... more Mud Pots Signal Possible Extension Of San Andreas Fault 
Washington DC (SPX) Aug 01, 2008A linear string of mud pots and mud volcanoes suggest surface evidence for a southern extension of the San Andreas Fault that runs through the Salton Sea, according to a paper published in the August issue of the Bulletin of the Seismological Society of America (BSSA). Researchers David K. Lynch and Kenneth W. Hudnut of USGS report the results of a comprehensive survey of mud pots in the a ... more New technique may help predict quakes: study 
Paris (AFP) July 9, 2008Scientists in the United States have devised a method for measuring changes in the speed of seismic waves that could one day help predict earthquakes, a study said Wednesday. In experiments conducted at the San Andreas Fault Observatory at Depth (SAFOD) in Parkfield, California, Fenglin Niu and colleagues measured the speed of so-called shear waves -- "S-waves" -- before, during and after ... more Japan beefs up undersea quake monitoring system 
Yokohama, Japan (AFP) July 3, 2008Japan, one of the most tremor-prone countries in the world, started work Thursday to beef up its undersea earthquake monitoring system. The system will be placed 1,000 to 2,000 metres (3,280-6,562 feet) beneath the ocean surface to gather data on seismic activity that will be transmitted by fiber-optic submarine cable to an above-ground observation centre. The cable system will provide ... more China quake created new stress risks in Sichuan basin: study 
Paris (AFP) July 6, 2008The May 12 earthquake in southwestern China has boosted seismic stress in parts of the Sichuan basin, increasing the risk of a dangerous aftershock on some faults that are close to inhabited areas, US geologists warned on Sunday. Their study, published in the British journal Nature, attempts to identify areas where a quake could erupt through "stress transfer," meaning the process by which a ... more |
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Rochester NY (SPX) Jun 10, 2008Mountains may experience a "growth spurt" that can double their heights in as little as two to four million years-several times faster than the prevailing tectonic theory suggests. In the latest issue of Science, Carmala Garzione, associate professor of geology at the University of Rochester, says this rapid uplift means the current theory of plate tectonics will have to be substantially m ... more Big Quakes Cause Temblors Worldwide 
El Paso, TX (SPX) Jun 08, 2008Scientists have agreed that strong earthquakes produce aftershocks within the region, but many did not believe that temblors of magnitude 7 and above could trigger smaller quakes on the other side of the world - until now. A recent study of major earthquakes since 1992 - the kind that can generate widespread damage - revealed that such events routinely trigger smaller jolts around the plan ... more Earthquakes Are Best Predicted From Space 
Moscow (RIA Novosti) Jun 04, 2008China's deadly earthquake in the Sichuan province has again showed that ground-based earthquake prediction methods and systems are not reliable. Traditional seismology does its best, sometimes succeeding, but more often only saying something like, "California will be destroyed in the next 30 years." Remote sensing from space can provide more accurate data about locations, and even dates of ... more Science Of The Sichuan Earthquake
Fort Lauderdale, FL (SPX) Jun 03, 2008The first detailed portrait of the ground motions generated by the earthquake that devastated China's Sichuan province on May 12 were presented last week at the AGU 2008 Joint Assembly. Seismic waves calculated by a computer model, and verified by ground-motion velocities measured during the earthquake at Chinese seismological stations, indicate that the ground suddenly jumped, shifted, or ... more Aftershocks to rattle China for months: expert
Chengdu, China (AFP) May 27, 2008China will be rocked by powerful earthquake aftershocks for months, a senior expert warned Tuesday, as two more strong tremors struck. Aftershocks after the devastating May 12 quake will continue for two or three months, said He Yongnian, former deputy director of the China Seismological Bureau, according to Xinhua news agency. "Judging from previous earthquakes of a similar magnitude ... more |
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Washington DC (SPX) Apr 29, 2008Geologists studying deposits of volcanic glass in the western United States have found that the central Sierra Nevada largely attained its present elevation 12 million years ago, roughly 8 or 9 million years earlier than commonly thought. The finding has implications not only for understanding the geologic history of the mountain range but for modeling ancient global climates. ... more Possible Link Found Between Earthquakes Along The Cascadia And San Andreas Faults 
San Francisco CA (SPX) Apr 07, 2008Seismic activity on the southern Cascadia Subduction fault may have triggered major earthquakes along the northern San Andreas Fault, according to new research published by the Bulletin of Seismological Society of America (BSSA). The research refines the recurrence rate for the southern portion of the Cascadia fault to approximately every 220 years for the last 3000 years. Chris Goldfinger ... more New Findings From Tibetan Plateau Suggest Uplift Occurred In Stages 
Santa Cruz CA (SPX) Mar 25, 2008The vast Tibetan Plateau--the world's highest and largest plateau, bordered by the world's highest mountains--has long challenged geologists trying to understand how and when the region rose to such spectacular heights. New evidence from an eight-year study by U.S. and Chinese researchers indicates that the plateau rose in stages, with uplift occurring first in the central plateau and later in r ... more Imperial Scientists Explain Tectonic Plate Motions 
London, UK (SPX) Feb 22, 2008The first direct evidence of how and when tectonic plates move into the deepest reaches of the Earth is published in Nature today. Scientists hope their description of how plates collide with one sliding below the other into the rocky mantle could potentially improve their ability to assess earthquake risks. The UK and Swiss team found that, contrary to common scientific predictions, dense ... more Core Samples Obtained From Subsea Fault System Off Japan 
Washington DC (SPX) Feb 06, 2008The third expedition of the Integrated Ocean Drilling Program's Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) completed its mission off the Kii Peninsula. The expedition science party, 26 scientists representing 10 countries, set forth on Dec. 19, 2007, aboard the drilling vessel Chikyu, to evaluate the deformation, structural partitioning, and physical characteristics of the Nankai Tr ... more
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