News tagged with seismic wave
Related topics: earthquake
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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Science ensures N.Korea nuclear test would be no secret
North Korea remains largely cut off from the Internet and mobile phone technology that links much of modern society, but any nuclear test would be swiftly revealed by global scientists, experts say.
May 02, 2012 |
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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 |
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Official: Dolphin deaths in Peru still a mystery
(AP) -- Peruvian authorities are still trying to unravel the mystery of why hundreds of dolphins ended up dead on beaches in the country over the past 2 1/2 months.
Apr 21, 2012 |
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New understanding of Earth's lithosphere-asthenosphere boundary beneath the Pacific Ocean
Scientists have long speculated about why there is a large change in the strength of rocks that lie at the boundary between two layers immediately under Earth's crust: the lithosphere and underlying asthenosphere. ...
Space & Earth / Earth Sciences
Mar 22, 2012 |
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In Japan, seismic waves slower after rain, large earthquakes
An earthquake is first detected by the abrupt side-to-side jolt of a passing primary wave. Lagging only slightly behind are shear waves, which radiate out from the earthquake's epicenter and are seen at the surface as a rolling ...
Space & Earth / Earth Sciences
Mar 05, 2012 |
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Impact study: Princeton model shows fallout of a giant meteorite strike
(PhysOrg.com) -- Seeking to better understand the level of death and destruction that would result from a large meteorite striking the Earth, Princeton University researchers have developed a new model that ...
Space & Earth / Earth Sciences
Oct 19, 2011 |
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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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Gravitational waves that are 'sounds of the universe'
Einstein wrote about them, and we're still looking for them -- gravitational waves, which are small ripples in the fabric of space-time, that many consider to be the sounds of our universe.
Oct 03, 2011 |
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US scientists testing earthquake early warning
Elizabeth Cochran was sitting in her office when her computer suddenly sounded an alarm.
Space & Earth / Earth Sciences
Sep 20, 2011 |
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Distant earthquakes can trigger deep slow fault slip
(PhysOrg.com) -- Researchers examining the San Andreas Fault in central California have found evidence that distant earthquakes can trigger episodes of accelerated (but still very slow) slip motion, deep on the fault.
Space & Earth / Earth Sciences
May 11, 2011 |
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Electric Yellowstone: Conductivity image hints volcano plume is bigger than thought
University of Utah geophysicists made the first large-scale picture of the electrical conductivity of the gigantic underground plume of hot and partly molten rock that feeds the Yellowstone supervolcano. The ...
Space & Earth / Earth Sciences
Apr 11, 2011 |
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Nation's quake-warning system needs work, scientists say
Americans have been lulled into a false sense of security that they are prepared for a devastating earthquake, according to a report issued Wednesday by the National Research Council.
Space & Earth / Earth Sciences
Apr 05, 2011 |
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No long-distance risks from mega-quakes: study
Monster earthquakes like the 9.0-magnitude event that occurred off Japan on March 11 are unlikely to trigger a large quake in distant regions of the world, according to a study published on Sunday.
Space & Earth / Earth Sciences
Mar 27, 2011 |
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Seismic imaging provides bigger picture for earthquake researchers
Caltech scientists and students are among a group of government and university researchers collecting seismic images of the Imperial and Coachella Valleys this week. The pictures—part of the U.S. Geological ...
Space & Earth / Earth Sciences
Mar 16, 2011 |
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