Cascadia Subduction Zone Current Events | Cascadia Subduction Zone News | 4
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Scientists use seismic waves to locate missing rock under Tibet
Geologists at the University of Illinois at Urbana-Champaign have located a huge chunk of Earth's lithosphere that went missing 15 million years ago. By finding the massive block of errant rock beneath Tibet, the researchers are helping solve a long-standing mystery, and clarifying how continents behave when they collide. view more (2007-02-08)
New discovery about the formation of new brain cells
The generation of new nerve cells in the brain is regulated by a peptide known as C3a, which directly affects the stem cells' maturation into nerve cells and is also important for the migration of new nerve cells through the brain tissue, reveals new research from the Sahlgrenska Academy published in the journal Stem Cells. view more (2009-11-24)
Researchers locate mantle's spin transition zone, leading to clues about Earth's structure
Researchers have located the spin transition zone of iron in Earth's lower mantle, a discovery which has profound geophysical implications. view more (2007-09-24)
Scientists reveal fate of Earth's oceans
Scientists at The University of Manchester have uncovered the first evidence of seawater deep inside the Earth shedding new light on the fate of the planet's oceans, according to research published in Nature. view more (2006-05-11)
NOAA Forecast Predicts Large
A team of NOAA-supported scientists from the Louisiana Universities Marine Consortium, Louisiana State University, and the University of Michigan is forecasting that the "dead zone" off the coast of Louisiana and Texas in the Gulf of Mexico this summer could be one of the largest on record. view more (2009-06-19)
U-M researcher and colleagues predict large 2009 Gulf of Mexico 'dead zone'; Chesapeake Bay's oxygen-starved zone likely to shrink
University of Michigan aquatic ecologist Donald Scavia and his colleagues say this year's Gulf of Mexico "dead zone" could be one of the largest on record, continuing a decades-long trend that threatens the health of a half-billion-dollar fishery. view more (2009-06-19)
LSU and Ohio State Battle on Football Field, Collaborate in Research Field
LSU and Ohio State University will battle for the BCS National College Football Championship in the Superdome early next week, but if the game was held in the Louisiana wetlands instead, the entire field would disappear before halftime. view more (2008-01-07)
Earth's most prominent rainfall feature creeping northward
The rain band near the equator that determines the supply of freshwater to nearly a billion people throughout the tropics and subtropics has been creeping north for more than 300 years. view more (2009-07-02)
Are existing large-scale simulations of water dynamics wrong?
Soils are complicated porous media that are highly relevant for the sustainable use of water resources. view more (2008-03-11)
Scripps research scientists find cause of cartilage degeneration in osteoarthritis
The scientists describe their work in this week's Early Edition of the Proceedings of the National Academy of Sciences. In the study, the team shows how the loss of the protein HMGB2, found in the surface layer of joint cartilage, leads to the progressive deterioration of the cartilage that is the hallmark of osteoarthritis. view more (2009-01-13)
Supercomputer Unleashes Virtual 9.0 Megaquake in Pacific Northwest
On January 26, 1700, at about 9 p.m. local time, the Juan de Fuca plate beneath the ocean in the Pacific Northwest suddenly moved, slipping some 60 feet eastward beneath the North American plate in a monster quake of approximately magnitude 9, setting in motion large tsunamis that struck the coast of North America and traveled to the shores of... view more... (2008-02-27)
Listening to rocks helps researchers better understand earthquakes
When Apollo punished King Midas by giving him donkey ears, only the king and his barber knew. Unable to keep a secret, the barber dug a hole, whispered into it, "King Midas has donkey ears," and filled the hole. But plants sprouted from the hole, and with each passing breeze, shared the king's secret. view more (2009-08-18)
Fecal Microorganisms Inhabit Sandy Beaches of Florida
raditionally, the cleanliness of a beach is monitored by sampling the bathing water a few meters from shore. But since sand is an effective filter, it follows that fecal bacteria (those from sewage) may be concentrated in the sand as the tide flows and ebbs. Moreover, trapped bacteria are offered a large surface area for attachment, nourishment... view more... (2008-05-14)
Cenozoic sedimentary records and geochronological constraints of the Qinghai-Tibet Plateau uplift
Recent sequence stratigraphy, facies distribution, and tectonic study of 92 remnant basins in the Qinghai-Tibet Plateau reveals the Cenozoic evolutionary history of the plateau. view more (2009-01-14)
Magmatically triggered slow earthquake discovered at Kilauea Volcano, Hawaii
Kilauea experienced a new dike intrusion, where magma rapidly moved from a storage reservoir beneath the summit into the east rift zone and extended the rift zone by as much as 1 meter. view more (2008-08-29)
Earthquake faults lost and found @ the London `Catastrophes` conference
Three great earthquakes during the winter of 1811-1812 struck eastern North America, causing widespread destruction in the northern Mississippi river valley, and even causing the Mississippi River to divert. Though the estimated magnitudes of the earthquakes are between 7 and 8+, no definitive surface rupture has ever been identified. Instead,... view more... (2002-08-17)
Insight into neural stem cells has implications for designing therapies
Scientists have discovered that adult neural stem cells, which exist in the brain throughout life, are not a single, homogeneous group. view more (2007-07-09)
New definition could further limit habitable zones around distant suns
As astronomers gaze toward nearby planetary systems in search of life, they are focusing their attention on each system's habitable zone, where heat radiated from the star is just right to keep a planet's water in liquid form. view more (2009-06-11)
Pacific tsunami threat greater than expected
The potential for a huge Pacific Ocean tsunami on the West Coast of America may be greater than previously thought, according to a new study of geological evidence along the Gulf of Alaska coast. view more (2009-07-21)
Folded sediment unusual in Sumatran tsunami area
Sediment folding may have added to the exceptionally large tsunami that struck Sumatra on Dec. 26, 2004, according to an international team of geologists. "Tsunami models consider the rebound of the plate during the earthquake, but do not include permanent deformation, like folding, of the upper plate." says Dr. Donald M. Fisher,... view more... (2007-02-05)
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