TECTONICS

News About Tectonic Forces

504 articles

Earthquake strikes far underground in southwest Argentina
Feb 22, 2013 (AFP)
A 6.1 magnitude earthquake hit southwest Argentina Friday but caused no damage or injuries, the US Geological Survey and local authorities reported. The earthqu...
India joined with Asia 10 million years later than previously thought
Feb 14, 2013 (SPX)
The peaks of the Himalayas are a modern remnant of massive tectonic forces that fused India with Asia tens of millions of years ago. Previous estimates have sug...
Stress change during the 2011 Tohoku-Oki earthquake
Feb 14, 2013 (SPX)
The 11 March 2011 Tohoku-Oki earthquake (Mw9.0) produced the largest slip ever recorded in an earthquake, over 50 meters. Such huge fault movement on the shallo...
The deep roots of catastrophe
Feb 11, 2013 (SPX)
A University of Utah seismologist analyzed seismic waves that bombarded Earth's core, and believes he got a look at the earliest roots of Earth's most cataclysm...
New date seen for creation of Himalayas
Feb 06, 2013 (UPI)
The tectonic plate collision between India and Asia that created the Himalayas may have occurred 10 million years later than previously thought, geologists say....
Solomons quake shows might of 'Ring of Fire'
Feb 06, 2013 (AFP)
A huge earthquake that struck off the Solomons Islands Wednesday was another reminder of the power of the volatile "Ring of Fire", a vast zone of volcanic insta...
Scientists underestimated potential for Tohoku quake. Now what?
Jan 29, 2013 (SPX)
The massive Tohoku, Japan, earthquake in 2011 and Sumatra-Andaman superquake in 2004 stunned scientists because neither region was thought to be capable of prod...
Magma in mantle has deep impact
Jan 11, 2013 (SPX)
Magma forms far deeper than geologists previously thought, according to new research at Rice University. A group led by geologist Rajdeep Dasgupta put very smal...
Earth's core melts deeper than thought
Jan 10, 2013 (UPI)
Rocks in the Earth's mantle melt at a much greater depth than once thought, which could explain phenomena puzzling geologists for years, U.S. researchers said. ...
Japan quake study sounds alarm at 'creeping fault' doctrine
Jan 09, 2013 (AFP)
Seismologists said Wednesday they have found clues as to why Japan's 2011 mega-earthquake occurred on a fault previously deemed to be of little threat. The find...
NTU's ground-breaking study warns of more great quakes in the Himalayas
Jan 01, 2013 (SPX)
A research team led by scientists from Nanyang Technological University (NTU) has discovered that massive earthquakes in the range of 8 to 8.5 magnitudes on the...
Himalayas and Pacific Northwest could experience major earthquakes, Stanford geophysicists say
Dec 11, 2012 (SPX)
Stanford geophysicists are well represented at the meeting of the American Geophysical Union this week in San Francisco. Included among the many presentations w...
Russian Far East holds seismic hazards that could threaten Pacific Basin
Dec 05, 2012 (SPX)
For decades, a source of powerful earthquakes and volcanic activity on the Pacific Rim was shrouded in secrecy, as the Soviet government kept outsiders away fro...
Oceanic crust breakthrough: Solving a magma mystery
Dec 04, 2012 (SPX)
Oceanic crust covers two-thirds of the Earth's solid surface, but scientists still don't entirely understand the process by which it is made. Analysis of more t...
Destruction of the North China Craton
Nov 28, 2012 (SPX)
Archean cratons are commonly underlain by a cold, thick (>200 km), isotopically enriched, and compositionally refractory lithospheric keel, and represent some o...
Researchers ID unique geological 'sombrero' uplift in South America
Oct 12, 2012 (SPX)
Scientists at Scripps Institution of Oceanography at UC San Diego have used 20 years of satellite data to reveal a geological oddity unlike any seen on Earth. A...
Active Faults More Accessible to Geologists
Oct 02, 2012 (SPX)
An October GSA article, "Open-source archive of active faults for northwest South America," by Gabriel Veloza and colleagues, is now online. The article introdu...
Big quake was part of crustal plate breakup
Sep 27, 2012 (SPX)
Seismologists have known for years that the Indo-Australian plate of Earth's crust is slowly breaking apart, but they saw it in action last April when at least ...
Tibetan Plateau may be older than previously thought
Aug 21, 2012 (SPX)
The growth of high topography on the Tibetan Plateau in Sichuan, China, began much earlier than previously thought, according to an international team of geolog...
Why do the Caribbean Islands arc?
Aug 21, 2012 (SPX)
The Caribbean islands have been pushed east over the last 50 million years, driven by the movement of the Earth's viscous mantle against the more rooted South A...
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