TECTONICS

News About Tectonic Forces

504 articles

San Francisco's big 1906 quake was third of a series on San Andreas Fault
Feb 18, 2014 (SPX)
Research led by a University of Oregon doctoral student in California's Santa Cruz Mountains has uncovered geologic evidence that supports historical narratives...
Large landmasses existed 2.7 billion years ago
Jan 20, 2014 (SPX)
A Cologne working group involving Prof. Carsten Munker and Dr. Elis Hoffmann and their student Sebastian Viehmann (working with Prof. Michael Bau from the Jacob...
Atlas Mountains in Morocco are buoyed up by superhot rock
Jan 03, 2014 (SPX)
The Atlas Mountains defy the standard model for mountain structure in which high topography must have deep roots for support, according to a new study from Eart...
Earth's crust was unstable in the Archean eon and dripped down into the mantle
Dec 31, 2013 (SPX)
Earth's mantle temperatures during the Archean eon, which commenced some 4 billion years ago, were significantly higher than they are today. According to recent...
Rising mountains dried out Central Asia
Dec 17, 2013 (SPX)
A record of ancient rainfall teased from long-buried sediments in Mongolia is challenging the popular idea that the arid conditions prevalent in Central Asia to...
Deep-sea study reveals cause of 2011 tsunami
Dec 16, 2013 (SPX)
The devastating tsunami that struck Japan's Tohoku region in March 2011 was touched off by a submarine earthquake far more massive than anything geologists had ...
Slippery fault unleashed destructive Tohoku-Oki earthquake and tsunami
Dec 10, 2013 (SPX)
For the first time, scientists have measured the frictional heat produced by the fault slip during an earthquake. Their results, published December 5 in Science...
Scientists calculate friction of Japan's 9.0 earthquake in 2011
Dec 10, 2013 (SPX)
An international team of scientists that installed a borehole temperature observatory following the 2011 Tohoku-Oki earthquake in Japan has been able to measure...
200,000-year history of continental shelf from Okinawa Trough deep-sea core
Oct 02, 2013 (SPX)
new research paper shows that a great number of nearby terrigenous pollen and charcoal have been found from the deep-sea sediments of the last 200 kyrs in Okina...
Subduction channel processes: New progress in plate tectonic theory
Sep 25, 2013 (SPX)
The plate tectonic theory has been primarily developed in three stages. (1) From continental drift and seafloor spreading to oceanic subduction, laying a physic...
Birth of Earth's continents
Sep 18, 2013 (SPX)
New research led by a University of Calgary geophysicist provides strong evidence against continent formation above a hot mantle plume, similar to an environmen...
Japan deep sea drilling boat casts off to find quakes
Sep 13, 2013 (AFP)
A Japan-led team of seismologists set off Friday on a mission to drill deep beneath the seabed in a search for the origin of earthquakes. The scientists weighed...
Beneath Earth's surface, scientists find long 'fingers' of heat
Sep 11, 2013 (SPX)
Scientists seeking to understand the forces at work beneath the surface of the Earth have used seismic waves to detect previously unknown "fingers" of heat, som...
Earthquakes and tectonics in Pamir Tien Shan
Sep 10, 2013 (SPX)
Earthquake damage to buildings is mainly due to the existing shear waves which transfer their energy during an earthquake to the houses. These shear waves are s...
Seismic finding could explain creation of Earth's 'hot spot' volcanoes
Sep 05, 2013 (UPI)
U.S. scientists say they've made a discovery that helps explain Earth's "hot spot volcanoes" that give birth to island chains such as Hawaii and Tahiti. Unlike ...
Magma can survive in upper crust for hundreds of millennia
Aug 23, 2013 (SPX)
Reservoirs of silica-rich magma - the kind that causes the most explosive volcanic eruptions - can persist in Earth's upper crust for hundreds of thousands of y...
Newly discovered flux in the Earth may solve missing-mantle mystery
Jul 22, 2013 (SPX)
It's widely thought that the Earth arose from violent origins: Some 4.5 billion years ago, a maelstrom of gas and dust circled in a massive disc around the sun,...
Study reveals clues to lifecycle of worlds iconic mountains
Jul 01, 2013 (SPX)
Scientists have discovered the reasons behind the lifespan of some of the world's iconic mountain ranges. The study conducted by the University of Melbourne, Au...
Mega-quakes caused volcanoes to sink: research
Jun 30, 2013 (AFP)
Massive earthquakes can cause distant volcanoes to sink, according to research in Japan and Chile published on Sunday. The magnitude 9.0 tsunami-generating quak...
Location of upwelling in Earth's mantle discovered to be stable
Jun 28, 2013 (SPX)
A study published in Nature shares the discovery that large-scale upwelling within Earth's mantle mostly occurs in only two places: beneath Africa and the Centr...
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