Tags Earthquake

Tag: Earthquake

‘Fossil earthquakes’ offer new insight into seismic activity deep below Earth’s...

A major international study has shed new light on the mechanisms through which earthquakes are triggered up to 40km beneath the earth's surface. While such...

Shifts in deep geologic structure may have magnified great 2011 Japan...

On March 11, 2011, a magnitude 9 earthquake struck under the seabed off Japan -- the most powerful quake to hit the country in...

Sinking sea mountains make and muffle earthquakes

Subduction zones -- places where one tectonic plate dives beneath another -- are where the world's largest and most damaging earthquakes occur. A new...

Researchers develop new explanation for destructive earthquake vibrations

Earthquakes produce seismic waves with a range of frequencies, from the long, rolling motions that make skyscrapers sway, to the jerky, high-frequency vibrations that...

Source of Indonesian earthquakes and tsunamis located

Devastating historical earthquakes and tsunamis in Indonesia can be traced to a recently discovered submarine extensional fault system, where sediment slumping along the fault...

Seismic biomarkers in Japan Trench fault zone reveal history of large...

In the aftermath of the devastating Tohoku-Oki earthquake that struck off the coast of Japan in March 2011, seismologists were stunned by the unprecedented...

Researchers find evidence to explain behavior of slow earthquakes

A team of researchers at the University of Ottawa has made an important breakthrough that will help better understand the origin and behavior of...

A new method for dating ancient earthquakes

Constraining the history of earthquakes produced by bedrock fracturing is important for predicting seismic activity and plate tectonic evolution. In a new study published...

Magnitude of Great Lisbon Earthquake may have been lower than previous...

The magnitude of the Great Lisbon Earthquake event, a historic and devastating earthquake and tsunami that struck Portugal on All Saints' Day in 1755,...

The ‘slow earthquakes’ that we cannot feel may help protect against...

Earthquakes are sudden and their shaking can be devastating. But about 20 years ago, a new type of earthquake was discovered. We cannot feel...

Analyzing seismic patterns to forecast the magnitude of the largest earthquake...

Earthquakes can have devastating impacts on communities all around the world. They strike without warning, often resulting in large fatalities. Since the aftershocks that...

California is famous for earthquakes, wildfires and Volcanoes

Margaret Mangan didn't sleep well in the weeks following the Ridgecrest, Calif., earthquakes. The July shaking triggered a swarm of smaller tremors in the...

Underwater telecom cables make superb seismic network

Fiber-optic cables that constitute a global undersea telecommunications network could one day help scientists study offshore earthquakes and the geologic structures hidden deep beneath...

New technology developed to improve forecasting of Earthquakes, Tsunamis

University of South Florida geoscientists have successfully developed and tested a new high-tech shallow water buoy that can detect the small movements and changes...

Evidence of two quakes extends rupture history in Grand Tetons National...

Hand-dug trenches around Leigh Lake in Grand Teton National Park in Wyoming reveal evidence for a previously unknown surface-faulting earthquake in along the Teton...

Geoscientists hope to make induced earthquakes predictable

University of Oklahoma Mewbourne College of Earth and Energy assistant professor Xiaowei Chen and a group of geoscientists from Arizona State University and the...

Earthquake impact can be affected by seasonal factors, historical study shows

The season that an earthquake occurs could affect the extent of ground failure and destruction that the event brings, according to a new look...

Studying the snowmelt episodes of a Pyrenean river with a seismometer

A team of researchers at Institute of Earth Sciences Jaume Almera of the Spanish National research Council (ICTJA-CSIC) have analysed the seismic signals generated...

Distinguishing earthquake foreshocks and aftershocks

Up to now, there was no way of predicting whether a powerful earthquake was likely to be followed by one of even greater magnitude....

Role of earthquake motions in triggering a ‘surprise’ tsunami

In newly published research, an international team of geologists, geophysicists, and mathematicians show how coupled computer models can accurately recreate the conditions leading to...

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