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New Analysis Reveals Large-Scale Motion Around San Andreas Fault System

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An array of GPS instruments near the San Andreas Fault System in Southern California detects constant motion of Earth's crust--sometimes large, sudden motion during an earthquake and often subtle, creeping motion. By carefully analyzing the data recorded by the EarthScope Plate Boundary Observatory's GPS array researchers from the University of Hawai'i at Mānoa (UHM), University of Washington and Scripps Institution of Oceanography (SIO) discovered nearly 125 mile-wide "lobes" of uplift and subsidence--a few millimeters of motion each year--straddling the fault system. This large scale motion was previously predicted in models but until now had not been documented.

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University of Montana Researcher Helps Break Ground on Forecasting Earthquakes

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MISSOULA, Montana - A University of Montana researcher is part of a team whose research is breaking ground on the complexity of earthquakes and the possibility to forecast them. The journal Nature Geoscience features their research online at http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2734.html.

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A Warning System for Tsunamis

Scientists at the Australian National University have developed the Time Reverse Imaging Method to take real-time data from the ocean sensors and use that information to recreate what the tsunami looked like when it was born. Once scientists have the tsunami source pinpointed, they can use it to make better predictions about what will happen once the waves reach shore. This new method is fast enough to compete with existing algorithms but much more accurate.

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New Study Finds Major Earthquake Threat From the Riasi Fault in the Himalayas

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New geologic mapping in the Himalayan mountains of Kashmir between Pakistan and India suggests that the region is ripe for a major earthquake that could endanger the lives of as many as a million people.

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Pesky Squeaks and Squeals Caused by 3 Types of 'Stick-Slip' Behavior

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Researchers have uncovered key features of the dynamics of a form of jerky motion responsible for phenomena as diverse as squeaks and squeals in door hinges and automotive brakes, joint wear in the human body and the sudden shifting of tectonic plates leading to earthquakes.

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Speedy Bridge Repair

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A team of researchers led by University of Utah civil and environmental engineering professor Chris Pantelides has developed a new process of fixing damaged bridge columns that takes as little as a few days.

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Rapid Repair of Severely Damaged Concrete Columns After an Earthquake

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Repair of damaged bridge columns following an earthquake is a good alternative to replacement. New repair method shows benefits include cost savings, reduction in construction time, and decreased interruption of emergency services.

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It’s the Rain’s Fault

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Rainwater may play an important role in the process that triggers earthquakes, according to new research.

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Geotechnical Engineer Studying Effects of Earthquake in Ecuador; Wood Chosen to Participate in NSF-Sponsored Reconnaissance Mission.

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Landslide Risk Remains High a Year After Magnitude-7.8 Nepal Earthquake

With the monsoon fast approaching, the landslide risk in Nepal remains high a year after a magnitude-7.8 earthquake that killed more than 8,000 people, according to a University of Michigan-led research team.

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Earthquake Research in New Zealand on Damaged Buildings

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University of Auckland researchers test frame components from a 20-story building damaged during the 2010-2011 Canterbury earthquakes to help engineers improve earthquake design and assessment guidelines

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Breaking the Strongest Link Triggered Big Baja Earthquake

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A spate of major earthquakes on small faults could overturn traditional views about how earthquakes start, according to a study from researchers at the Centro de Investigación Científica y de Educación Superior in Ensenada, Mexico, and the University of California, Davis.

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New App Turns Smartphones Into Worldwide Seismic Network

MyShake Android app crowdsources ground shaking from smartphone accelerometers.

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Researchers Find New Cause of Strong Earthquakes

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A geologic event known as diking can cause strong earthquakes -- with a magnitude between 6 and 7, according to an international research team.

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Can Slow Creep Along Thrust Faults Help Forecast Megaquakes?

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In Japan and areas like the Pacific Northwest where megathrust earthquakes are common, scientists may be able to better forecast large quakes based on periodic increases and decreases in the rate of slow, quiet slipping along the fault.