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Understanding risk to Seattle's high-rise buildings from a giant Cascadian earthquake
The Cascadia subduction zone is likely to produce the strongest shaking experienced in the lower 48 states. Although seismic activity in the Pacific Northwest has been relatively low in the past two centuries, there is a growing consensus that this fault zone ruptures in giant earthquakes (magnitude exceeding 9); the last rupture is inferred to... view more... (2009-04-10)
Dead clams tell many tales
Inventories of living and dead organisms could serve as a relatively fast, simple and inexpensive preliminary means of assessing human impact on ecosystems. view more (2007-10-30)
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)
Increasing carbon dioxide and decreasing oxygen in the oceans will make it harder for deep-sea animals to
New calculations made by marine chemists from the Monterey Bay Aquarium Research Institute (MBARI) suggest that low-oxygen "dead zones" in the ocean could expand significantly over the next century. view more (2009-04-20)
Sediment could be a major factor in biggest subduction zone earthquakes
The most powerful earthquakes - such as those that shook Indonesia in 2004, Alaska in 1964, Chile in 1960 and the Pacific Northwest in 1700 - occur in subduction zones, areas of the sea floor just offshore where two tectonic plates meet and one dives beneath the other. view more (2006-01-31)
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)
Unusual mechanism of the Ambrym and Pentecost Islands earthquake in Vanuatu
The Vanuatu island arc, in the South-West Pacific, is 1 700 km long. It corresponds to a convergence zone where the Australian plate is slipping eastwards under the North Fiji Basin, which is part of the Pacific plate, thus generating earthquakes. On 26 November 1999, the central islands of Vanuatu, particularly Ambrym and Pentecost, were strongly... view more... (2004-02-20)
Earthquake 'pulses' could predict tsunami impact
The magnitude 9.2 earthquake that triggered a devastating tsunami in the Indian Ocean in December of 2004 originated just off the coast of northern Sumatra, but an "energy pulse" - an area where slip on the fault was much greater - created the largest waves, some 100 miles from the epicenter. view more (2005-12-05)
Nietzsche is dead, long live Rickert
‘God is dead’, said Nietzsche, whereupon other philosophers concluded that in that case everyone needed to find their own norms and values and determine the meaning of existence for themselves. The undeservedly forgotten thinker Heinrich Rickert stated, however, that objective values do indeed exist. Prior to Nietzsche, philosophers... view more... (2001-05-08)
A motley collection of boneworms
It sounds like a classic horror story-eyeless, mouthless worms lurk in the dark, settling onto dead animals and sending out green "roots" to devour their bones. view more (2009-11-11)
Malaria : Anopheles funestus, a complex vector
Since 1994 a team of entomologists from IRD has been conducting a research programme on Anopheles funestus, one of the main malaria vectors in Africa, little studied until that time. Contrary to the idea that has prevailed up to now, some mosquitoes of this species do not feed exclusively on humans. Many of them take blood from cattle. The... view more... (2000-05-17)
From the deep -- Researchers find new species of sea anemone
Researchers cruising for creatures that live in the deepest parts of the Pacific Ocean found a new species of sea anemone living in the unlikeliest of habitats - the carcass of a dead whale. view more (2007-05-17)
San Jacinto fault is younger than thought, rises in seismic importance
A detailed study of sedimentary rocks exposed along a portion of southern California's San Jacinto fault zone shows the fault to be no older than 1.1 million to 1.3 million years and that its long-term slip rate is probably faster than previously thought. view more (2006-10-24)
Los Angeles enjoying 1,000 year seismic lull
The Los Angeles basin appears to be in a seismic "lull" characterized by relatively smaller and infrequent earthquakes, according to a study in the September issue of Geology. view more (2007-08-24)
New Method For Dating Ancient Earthquakes Through Cave Evidence Developed By Israeli Researchers
A new method for dating destructive past earthquakes, based on evidence remaining in caves has been developed by scientists at the Hebrew University of Jerusalem and the Geological Survey of Israel. view more (2005-04-11)
Investigating the deepest layers of the Earth's crust
The deep layers of the Earth's crust and the upper part of its mantle have been the target for investigation by a number of research groups at the EHU/UPV. This deep zone, and the processes that have taken place there in the past, can be investigated by means of studying those rocks which today are lying on the surface but which in past geological... view more... (2004-02-04)
For peace and quiet, try the Moon
ASTRONOMERS are taking the search for somewhere quiet to work to new extremes with a plan to put a radio telescope on the far side of the Moon. The advantage of this unusual location is that the Moon would act as a massive shield, protecting the telescope against radio emissions from Earth.... view more... (2002-01-02)
Spanish researchers discover significant leatherback turtle nesting beaches in the Caribbean
A scientific project funded by the BBVA Foundation and conducted by a team from the Spanish Council for Scientific Research (CSIC) explored around 100 kilometers of practically uncharted Atlantic beach in the north of Colombia and south of Panama between the years 2006 and 2007. view more (2008-08-04)
Sumatra megaquake defied theory
The risks of Sumatra-style mega-quakes around the world have been sorely misjudged, say earth scientists who are re-examining some of the pre-December 2004 assumptions scientists made about such rare events. view more (2006-03-28)
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