- Modeling The Effects Of The Earth's Mantle
At a depth of 2900 kilometres, the layer between the Earth's mantle and its core has always intrigued geophysicists because they are unable to explain the seismic data it generates. Researchers in the Solid State Structure and Properties Laboratory ( ...
Article - News Staff - Mar 6 2007 - 3:10pm
- Scientists Read Rocks’ History With Unprecedented Precision
Assigning dates to the events in the life of a rock—for example, a collision with a piece of continent, or a journey through the Earth’s crust—has long challenged geologists, as the events themselves can confound evidence of the past. But now, armed with ...
Article - News Staff - Mar 12 2007 - 9:06am
- Volcanic Plumbing Dictates Development Of Deep-sea Hydrothermal Vents
After years of results that repeatedly dogged him, University of Oregon geologist Douglas R. Toomey decided to follow the trail of data surfacing from the Pacific Ocean. In doing so, he and his collaborators may have altered long-held assumptions involvin ...
Article - News Staff - Mar 21 2007 - 4:28pm
- New Madrid Earthquake And The Farallon Plate
People where I live still talk about the New Madrid earthquakes that occurred in southern Missouri in 1811 and 1812. I've heard that church bells rang hundreds of miles away in New England, disturbed by the seismic waves, and supposedly the surface of ...
Article - Mary Hrovat - Mar 24 2011 - 3:35pm
- Faulted Modeling
Factoring in crustal strength changes along the San Andreas Fault would improve the predictive models that researchers use to understand the likelihood and intensity of earthquakes there. That's the conclusion from a study published in the April issue ...
Article - News Staff - Mar 24 2011 - 3:37pm
- Himalayan Glacier Melting Observed From Space
The Himalaya, the “Roof of the World”, source of the seven largest rivers of Asia are, like other mountain chains, suffering the effects of global warming. To assess the extent of melting of its 33 000 km2 of glaciers, scientists have been using a process ...
Article - News Staff - Mar 27 2007 - 11:22am
- Lightning A Good Indicator Of Volcanic Activity
Although it's been more than a year since Mount Augustine had its memorable eruption, work continues for University of Alaska Fairbanks researchers. The work of Alaska Volcano Observatory employees from UAF's Geophysical Institute will be appeari ...
Article - News Staff - Oct 1 2010 - 5:01pm
- Arctic Sea Ice Narrowly Missed Record Low In Winter 2007, Say Researchers
The maximum extent of Arctic sea ice in winter 2007 was the second lowest on satellite record, narrowly missing the 2006 record, according to a team of University of Colorado at Boulder researchers. The Arctic sea-ice extent, which is the area of ocean co ...
Article - News Staff - Apr 7 2007 - 1:40am
- High-res Images Show Details Of Earth's Structure
High-resolution images that reveal unexpected details of the Earth's internal structure are among the results reported by MIT and Purdue scientists in the March 30 issue of Science. The researchers adapted technology developed for near-surface explor ...
Article - News Staff - Apr 7 2007 - 9:32am
- Space Data Unveils Evidence Of Ancient Mega-lake In Northern Darfur
Researchers from the Boston University Center for Remote Sensing used recently acquired topographic data from satellites to reveal an ancient mega-lake in the Darfur province of northwestern Sudan. Drs. Eman Ghoneim and Farouk El-Baz made the finding whil ...
Article - News Staff - Apr 11 2007 - 12:40am