TECTONICS

News About Tectonic Forces

504 articles

Pacific plate shrinking as it cools
Aug 29, 2014 (SPX)
The tectonic plate that dominates the Pacific "Ring of Fire" is not as rigid as many scientists assume, according to researchers at Rice University and the Univ...
Composition of Earth's mantle revisited
Aug 27, 2014 (SPX)
Research published last week in Science suggested that the makeup of the Earth's lower mantle, which makes up the largest part of the Earth by volume, is signif...
The bend in the Appalachian mountain chain is finally explained
Jul 22, 2014 (SPX)
The 1500 mile Appalachian mountain chain runs along a nearly straight line from Alabama to Newfoundland-except for a curious bend in Pennsylvania and New York S...
Reproducing deep-Earth chemistry
Jul 16, 2014 (SPX)
A new pressure cell invented by UC Davis researchers makes it possible to simulate chemical reactions deep in the Earth's crust. The cell allows researchers to ...
LiDAR and 3D modeling software used to map Chinese fault zone
Jun 19, 2014 (SPX)
Chinese and American scientists collaborating in the study of an active seismic fault that produced one of China's most deadly earthquakes say their deployment ...
Asymmetric continental margins and the slow birth of an ocean
Jun 10, 2014 (SPX)
When South America split from Africa 150 to 120 million years ago, the South Atlantic formed and separated Brazil from Angola. The continental margins formed th...
Deep earth recycling of the oceanic floor
May 23, 2014 (SPX)
Scientists from the Magma and Volcanoes Laboratory (CNRS/IRD/Universite Blaise Pascal) and the European Synchrotron, the ESRF, have recreated the extreme condit...
Lower mantle chemistry breakthrough
May 23, 2014 (SPX)
Breaking research news from a team of scientists led by Carnegie's Ho-kwang "Dave" Mao reveals that the composition of the Earth's lower mantle may be significa...
Research finds human impact may increase seismicity of San Andreas Fault
May 20, 2014 (SPX)
a detective story with twists and turns in the plot, scientists at the University of Nevada, Reno are unfolding a story about the rapid uplift of the famous 400...
California groundwater depletion slowly raises Sierra Nevadas
May 19, 2014 (SPX)
Winter rains and summer groundwater pumping in California's Central Valley make the Sierra Nevada and Coast Mountain Ranges sink and rise by a few millimeters e...
Ice-loss moves the Earth 250 miles down
May 14, 2014 (SPX)
At the surface, Antarctica is a motionless and frozen landscape. Yet hundreds of miles down the Earth is moving at a rapid rate, new research has shown. The stu...
California Faults Moved Quietly After Baja Quake
May 02, 2014 (JPL)
A new NASA study finds that a major 2010 earthquake in northern Mexico triggered quiet, non-shaking motions on several Southern California faults that released ...
Magnitude of quake scales with maturity of fault
May 02, 2014 (SPX)
The oldest sections of transform faults, such as the North Anatolian Fault Zone (NAFZ) and the San Andreas Fault, produce the largest earthquakes, putting impor...
The Thin-Crusted US Sierra Nevada Mountains: Where Did the Earth Go?
May 01, 2014 (SPX)
In an addition to Geosphere's ongoing themed issue series, "Geodynamics and Consequences of Lithospheric Removal in the Sierra Nevada, California," Craig H. Jon...
Taking the pulse of mountain formation in the Andes
Apr 23, 2014 (SPX)
Scientists have long been trying to understand how the Andes and other broad, high-elevation mountain ranges were formed. New research by Carmala Garzione, a pr...
Earthquake simulation tops one quadrillion flops
Apr 19, 2014 (SPX)
A team of computer scientists, mathematicians and geophysicists at Technische Universitaet Muenchen (TUM) and Ludwig-Maximillians Universitaet Muenchen (LMU) ha...
SU geologists prove early Tibetan Plateau was larger than previously thought
Apr 14, 2014 (SPX)
scientists in Syracuse University's College of Arts and Sciences have determined that the Tibetan Plateau-the world's largest, highest, and flattest plateau-had...
Hot mantle drives elevation, volcanism along mid-ocean ridges
Apr 08, 2014 (SPX)
Scientists have shown that temperature differences deep within Earth's mantle control the elevation and volcanic activity along mid-ocean ridges, the colossal m...
Computer models solve geologic riddle millions of years in the making
Mar 25, 2014 (SPX)
An international team of scientists that included USC's Meghan Miller used computer modeling to reveal, for the first time, how giant swirls form during the col...
Dynamic stressing of a global system of faults results in rare seismic silence
Mar 12, 2014 (SPX)
In the global aftershock zone that followed the major April 2012 Indian Ocean earthquake, seismologists noticed an unusual pattern - a dynamic "stress shadow," ...
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