News tagged with seismic
Double quake highlights Italy's seismic perils
Two killer earthquakes that struck northeastern Italy in nine days have shed light on the brutal but complex seismic forces that grip the Italian peninsula, scientists say.
Space & Earth / Earth Sciences
May 29, 2012 |
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Autopsy of a eruption: Linking crystal growth to volcano seismicity
A forensic approach that links changes deep below a volcano to signals at the surface is described by scientists from the University of Bristol in a paper published today in Science. The research could ultima ...
Space & Earth / Earth Sciences
May 24, 2012 |
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'Creeping quakes' rumble New Zealand: researchers
Researchers have discovered New Zealand's earthquake-prone landscape is even more unstable than previously thought, recording deep tremors lasting up to 30 minutes on its biggest fault line.
Space & Earth / Earth Sciences
May 23, 2012 |
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San Andreas Fault in Santa Cruz Mountains -- large quakes more frequent than previously thought
Recent paleoseismic work has documented four surface-rupturing earthquakes that occurred across the Santa Cruz Mountains section of the San Andreas Fault (SAF) in the past 500 years. The research, conducted by the U.S. Geological ...
Space & Earth / Earth Sciences
May 30, 2012 |
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Nea Kameni volcano movement captured by Envisat (w/ Video)
(Phys.org) -- Archived data from the Envisat satellite show that the volcanic island of Santorini has recently displayed signs of unrest. Even after the end of its mission, Envisat information continues to ...
Space & Earth / Earth Sciences
May 22, 2012 |
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Earth's outer core deprived of oxygen: study
The composition of the Earth's core remains a mystery. Scientists know that the liquid outer core consists mainly of iron, but it is believed that small amounts of some other elements are present as well. Oxygen ...
Space & Earth / Earth Sciences
Nov 23, 2011 |
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Geophysicists claim conventional understanding of Earth's deep water cycle needs revision
A popular view among geophysicists is that large amounts of water are carried from the oceans to the deep mantle in "subduction zones," which are boundaries where the Earth's crustal plates converge, with ...
Space & Earth / Earth Sciences
Oct 18, 2010 |
4.9 / 5 (17) |
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Scientists recreate extreme conditions deep in Earth's interior
(PhysOrg.com) -- University of California, Berkeley, and Yale University scientists have recreated the tremendous pressures and high temperatures deep in the Earth to resolve a long-standing puzzle: why some ...
Space & Earth / Earth Sciences
Sep 23, 2010 |
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Researchers show how far South American cities moved in quake
The massive magnitude 8.8 earthquake that struck the west coast of Chile last month moved the entire city of Concepcion at least 10 feet to the west, and shifted other parts of South America as far apart as ...
Space & Earth / Earth Sciences
Mar 08, 2010 |
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Parts of Mt Fuji 'could collapse' if fault shifts
Parts of Japan's Mount Fuji, a national symbol and key tourist attraction, could collapse if a newly-discovered faultline under the mountain shifts, a government-commissioned report has warned.
Space & Earth / Earth Sciences
May 11, 2012 |
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North American continent is a layer cake, scientists discover
(PhysOrg.com) -- The North American continent is not one thick, rigid slab, but a layer cake of ancient, 3 billion-year-old rock on top of much newer material probably less than 1 billion years old, according ...
Space & Earth / Earth Sciences
Aug 25, 2010 |
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Scientists probe Earth's core
We know more about distant galaxies than we do about the interior of our own planet. However, by observing distant earthquakes, researchers at the University of Calgary have revealed new clues about the top ...
Space & Earth / Earth Sciences
Apr 28, 2010 |
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Looking inside the Earth
(Phys.org) -- Defects found in rocks below the Earth’s surface have a major impact on the transmission of seismic waves, such as those caused by earthquakes, researchers at The Australian National University ...
Space & Earth / Earth Sciences
Apr 23, 2012 |
4.5 / 5 (4) |
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Sichuan quake was once-in-4,000-year event: scientists
People who were killed, injured or bereaved in the 2008 Sichuan earthquake had the cruel misfortune to be victims of an event that probably occurs just once in four millennia, seismologists said on Sunday.
Space & Earth / Earth Sciences
Sep 27, 2009 |
3.8 / 5 (5) |
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The strange rubbing boulders of the Atacama
A geologist's sharp eyes and upset stomach has led to the discovery, and almost too-close encounter, with an otherworldly geological process operating in a remote corner of northern Chile's Atacama Desert.
Space & Earth / Earth Sciences
Oct 11, 2011 |
4.9 / 5 (23) |
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