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Current Subduction Zones News and Events, Subduction Zones News Articles.
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Study evaluates types of skin diseases among military personnel who were evacuated from combat zones
Dermatitis, benign moles, hives and cancerous skin lesions are among the most common diagnoses among military personnel who were evacuated from combat zones for ill-defined dermatologic diseases, according to a report in the February issue of Archives of Dermatology, one of the JAMA/Archives journals. (2009-02-16)

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. (2009-02-15)

New monitoring stations detect 'silent earthquakes' in Costa Rica
After installing an extensive network of monitoring stations in Costa Rica, researchers have detected slow slip events (also known as (2009-02-15)

African initiative trains students, explores geophysical mysteries
Earthquakes, volcanoes and the African superplume are only some of the phenomena under investigation through AfricaArray, a program that establishes geophysical observatories, trains African and American students and examines geophysical phenomena on the African continent. (2009-02-13)

Beneath the surface
Researchers from Copenhagen have developed a new model to explain the forming of rift zones. Rift zones are long cracks in the Earth's crust between the tectonic plates. They are generally over 1000km long, 30-100km wide and up to 10km deep. Over time they fill up with the remains of volcanic explosions and other sediment. The research results has great significance for oil and natural gas exploration, plus our general understanding of the forces beneath. (2009-02-11)

Cropland diversity reduces nitrogen pollution
LSU researchers have identified a link between the diversity of crops grown in farmlands and the pollution they create in lakes and rivers. In a Frontiers in Ecology and the Environment e-View paper, these ecologists show that when the biodiversity of crops is high, less dissolved nitrogen is found exiting the surrounding watersheds. (2009-02-11)

Cropland diversity reduces nitrogen pollution
Researchers have identified a link between the diversity of crops grown in farmlands and the pollution they create in lakes and rivers. In a Frontiers in Ecology and the Environment e-View paper, ecologists show that when the biodiversity of crops is high, less dissolved nitrogen is found exiting the surrounding watersheds. (2009-02-11)

February 2009 Geosphere media highlights
The February Geosphere, the Geological Society of America's e-journal, is now online. Topics include studies of the San Andrea fault in southern California; Africa as a collage of ancient crustal blocks; and 3-D visualization of the High Plains aquifer. (2009-02-03)

New liquefaction hazard maps of Santa Clara Valley, Northern California
New hazard maps for Northern California delineate the probability of earthquake-induced liquefaction, based on three scenarios: A magnitude 7.8 on the San Andreas Fault comparable to the 1906 event, a magnitude 6.7 on the Hayward Fault comparable to the 1868 event and a magnitude 6.9 on the Calavaras Fault. (2009-01-27)

Dramatic expansion of dead zones in the oceans
Unchecked global warming would leave ocean dwellers gasping for breath. Dead zones are low-oxygen areas in the ocean where higher life forms such as fish, crabs and clams are not able to live. A team of Danish researchers have now shown that unchecked global warming would lead to a dramatic expansion of low-oxygen areas zones in the global ocean by a factor of 10 or more. The findings are published in the scientific journal Nature Geoscience. (2009-01-25)

Warmer climate causing huge increase in tree mortality across the West
Regional warming and drought stress are the (2009-01-22)

Off the shelf maps help mitigate volcanic hazards
When volcanoes erupt, pinpointing the regions at high risk for lethal hazards and deciding whether or not to evacuate a resistant population comprise the most difficult problems faced by hazards managers. Now a team of volcanologists has a program that maps potential problem areas quickly, taking much of the guesswork out of decision making and evacuations. (2009-01-21)

Discovery of methane reveals Mars is not a dead planet
A team of NASA and university scientists has achieved the first definitive detection of methane in the atmosphere of Mars. This discovery indicates the planet is either biologically or geologically active. (2009-01-15)

Scientists publish first ever evidence of asteroids with Earth-like crust
Two rare meteorites found in Antarctica two years ago are from a previously unknown, ancient asteroid with a crust similar in composition to that of Earth's continents, reports a research team primarily composed of geochemists from the University of Maryland. Published in the Jan. 8 issue of the journal Nature, this is the first ever finding of material from an asteroid with a crust like Earth's, and the oldest rock with this composition ever found. (2009-01-07)

Abundance of ladybugs in olive orchards is an indicator of health and sustainability
A study from the CSIC and the University of Granada determines that morphospecies of Coccinellidae could be adopted as a rapid and useful tool for evaluating the impacts of non-organic vs. organic management regimes in olive orchards. Richness and abundance of ladybirds were higher in the organic (ecological) than the non-organic (conventional and integrated) orchards. Conclusions led to identify orchards respectful with environment. (2009-01-06)

Trapped water cause of regular tremors under Vancouver Island: UBC researchers
University of British Columbia researchers are offering the first compelling evidence to explain regular tremors under Vancouver Island. (2008-12-31)

New book offers fresh angle on Franciscan subduction complex
A new Special Paper published by the Geological Society of America on the Franciscan subduction complex of coastal California and its affect on the Coast Range fault zone takes a new tack on explaining how the subduction complex evolved. Says author Uwe Ring of Canterbury University, New Zealand, (2008-12-15)

China and Germany: Working together for the good of the coasts
During his trip to Europe, Dr. Lu Yongxiang, deputy president of the National People's Congress of China and President of the Chinese Academy of Science, visited the GKSS research center in Geesthacht on Dec. 11 with a delegation. The activities of the Geesthacht coastal researchers drew particular attention during his visit. In future there should be suitable scientific cooperation invested in this. (2008-12-12)

Application quantifies carbon sequestration of urban trees
US Forest Service scientists at the Center for Urban Forest Research are providing online software that can show users how much carbon dioxide an urban tree in California has sequestered in its lifetime and the past year. (2008-12-09)

Potential for large earthquake off coast of Sumatra remains large, says Caltech-led team
The subduction zone that brought us the 2004 Sumatra-Andaman earthquake and tsunami is ripe for yet another large event, despite a sequence of quakes that occurred in the Mentawai Islands area in 2007, according to a group of earthquake researchers led by scientists from the Tectonics Observatory at the California Institute of Technology. (2008-12-03)

Venus comes to life at wavelengths invisible to human eyes
A pale yellow-green dot to the human eye, Earth's twin planet comes to life in the ultraviolet and the infrared. New images taken by instruments on board ESA's Venus Express provide insight into the turbulent atmosphere of our neighbouring planet. (2008-12-03)

New medication brings hope of jet lag cure
A team of researchers from Monash University, The Brigham and Women's Hospital, Harvard Medical School and Vanda Pharmaceuticals has found a new drug with the potential to alleviate jet lag and sleep disorders caused by shift work. (2008-12-01)

Study shows that low availability and high prices impede access to medicines in developing nations
An article reporting the results of phase II and III trials shows the drug tasimelteon to be effective for transient insomnia of the kind caused by night shift work and jet-lag. As such, this drug could be a first-line therapy for people burdened with the effects of travel across time zones or working at night. The article, published online first and in an upcoming edition of the Lancet. (2008-12-01)

Plate tectonics started over 4 billion years ago, geochemists report
A new picture of the early Earth is emerging, including the surprising finding that plate tectonics on Earth may have started more than 4 billion years ago -- much earlier than scientists had believed, according to new research by UCLA geochemists reported Nov. 27 in the journal Nature. (2008-11-26)

DNA provides 'smoking gun' in the case of the missing songbirds
DNA evidence shows conclusively that males from a North American warbler species interbred with females from a related species and took over a large part of the other species' range. (2008-11-04)

November-December 2008 GSA Bulletin media highlights
The latest issue of GSA Bulletin spans the globe, examining ancient soils in Big Bend National Park, Texas; loess soils in Nebraska, including the greatest known thickness of the Peoria Loess in the world; folding, faulting, and metamorphism as seen in detailed geologic mapping across Pakistan; tectonic fractures in Southeast Viti Levu, Fiji; subsidence in Mexico City; groundwater arsenic in Araihazar, Bangladesh; the formation of the Andes and earthquakes in the Seattle fault zone. (2008-10-29)

November 2008 Geology and GSA Today media highlights
Geology topics include a new model for Grand Canyon erosion; opal formation on Mars; the beautiful and delicate preservation of soft tissues in the Burgess Shale of Canada; Ediacaran atmosphere, ocean, and fossil preservation, including that of an eight-armed ocean-dweller in both China and Australia; a new technique for seismic hazard studies; and arsenic contamination of drinking water. GSA Today cautions researchers against using sheeted dikes in ophiolites to investigate mid-ocean ridge spreading processes. (2008-10-29)

Brown scientist finds coastal dead zones may benefit some species
A Brown ecologist has found that coastal (2008-10-14)

Tropical rainforest and mountain species may be threatened by global warming
Contrary to conventional wisdom, tropical plant and animal species living in some of the warmest places on Earth may be threatened by global warming, according to University of Connecticut Ecologist Robert K. Colwell and colleagues in this week's issue of Science magazine. (2008-10-09)

Study: Tropical wetlands hold more carbon than temperate marshes
Researchers have shown that tropical wetlands are able to absorb and hold onto about 80 percent more carbon than can wetlands in temperate zones. The scientists extracted soil cores from wetlands in Costa Rica and in Ohio and analyzed the contents of the sediment from the past 40 years. Based on their analysis, they estimated that the tropical wetland accumulated a little over 1 ton of carbon per acre per year, and the temperate wetland accumulated .6 tons of carbon per acre per year. (2008-10-08)

The role of stem cells in renewing the cornea
A group of researchers in Switzerland has published a study appearing in the Oct. 1 advance online edition of the journal Nature that shows how the cornea uses stem cells to repair itself. (2008-10-02)

Zeroing in on Wi-Fi 'dead zones'
Rooting out Wi-Fi (2008-09-25)

Flooding might help lower gas emission from wetlands
River floods and storms that send water surging through swamps and marshes near rivers and coastal areas might cut in half the average greenhouse gas emissions from those affected wetlands, according to recent research at Ohio State University. A study suggests that pulses of water through wetlands result in lower average emissions of greenhouse gases over the course of the year compared to the emissions from wetlands that receive a steady flow of water. (2008-09-23)

Melting ice under pressure
The deep interior of Neptune, Uranus and Earth may contain some solid ice. (2008-09-23)

A little nitrogen can go a long way
With significant increases in the price of fertilizer and grain, site-specific management -- especially in variable rate nitrogen application -- can have a significant impact on yield and profitability, as reported in the latest issue of Agronomy Journal. (2008-09-03)

No-take zones offer no boost for bleached reefs
Newcastle University marine scientist Nicholas Graham heads up an international team calling for urgent action to save world's coral reefs. (2008-08-27)

Protection zones in the wrong place to prevent coral reef collapse
Conservation zones are in the wrong place to protect vulnerable coral reefs from the effects of global warming, an international team of scientists warned today. Now the team -- led jointly by Newcastle University and the Wildlife Conservation Society, New York -- say that urgent action is needed to prevent the collapse of this important marine ecosystem. (2008-08-26)

New analysis of earthquake zone raises questions
Oregon State University scientists have completed a new analysis of an earthquake fault line that extends some 200 miles off the southern and central Oregon coast that they say is more active than the San Andreas Fault in California. (2008-08-25)

Study shows continued spread of 'dead zones'
A new study shows that the number of (2008-08-14)

A recipe for saving the world's oceans from an extinction crisis
Jeremy Jackson, senior scientist emeritus of the Smithsonian Tropical Research Institute and the Scripps Institution of Oceanography, asserts in the Aug. 12 issue of the journal Proceedings of the National Academy of Sciences, that the following steps, if taken immediately, could reverse the demise of the oceans. (2008-08-13)

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