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Past Tsunamis? Contrary To Recent Hypothesis, 'Chevrons' Are Not Evidence Of Megatsunamis
A geologist and tsunami
expert debunks persistent
idea that so-called
"chevrons," large U- or
V-shaped formations found in
... > full story
Lake Tahoe Region In U.S. May Be Due For Major Earthquake
Scientists have developed a
more comprehensive analysis
of earthquake activity in
the Lake Tahoe region, which
suggest a magnitude-7
earthquake occurs every
... > full story
New Blow Against Dinosaur-killing Asteroid Theory, Geologists Find
The enduringly popular
theory that the Chicxulub
crater holds the clue to the
demise of the dinosaurs,
along with some 65 percent
... > full story
Caribbean At Risk Of Tsunami, Disaster Experts Warn
Up to 30,000 residents and
tourists could be under
threat from a newly
discovered tsunami risk in
the Caribbean, according to
experts in disaster risk
... > full story
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Alaskan Earthquake 'To Be Expected,' Says Researcher
June 23, 2009 — As reports of a strong earthquake in Alaska continue to emerge (on June 22) a Baylor University earthquake researcher says this is not an unusual event in this ... > full story -
Mangrove Forests Save Lives In Storms, Study Of 1999 Super Cyclone Finds
April 21, 2009 — A new study of storm-related deaths from a super cyclone that hit the eastern coast of India in 1999 finds that villages shielded from the storm surge by mangrove forests experienced significantly ... > full story -
Tectonic Events Behind Earthquake That Killed 595 In Peru
April 18, 2009 — Scientists have analyzed data on the earthquake in Pisco, Peru and its impact on regional topography. Using InSAR-based geodetic data and teleseismic data, the scientists were able to use satellite ... > full story -
Solomon Islands Earthquake Sheds Light On Enhanced Tsunami Risk
April 17, 2009 — The 2007 Solomon Island earthquake may point to previously unknown increased earthquake and tsunami risks because of the unusual tectonic plate geography and the sudden change in direction of the ... > full story -
Why Earthquake Waves Spread Unevenly
April 14, 2009 — Propagation of earthquake waves within the Earth is not uniform. Experiments indicate that the velocity of shear waves in Earth's lower mantle between 660 and 2900 km depth is strongly dependent on ... > full story -
Mathematicians Provide New Insight Into Tsunamis
April 6, 2009 — A new mathematical formula that could be used to give advance warning of where a tsunami is likely to hit and how destructive it will be has been worked out by scientists at Newcastle University. The ... > full story -
Locations Of Strain, Slip Identified In Major Earthquake Fault
February 27, 2009 — Deep-sea drilling into one of the most active earthquake zones on the planet is providing the first direct look at the geophysical fault properties underlying some of the world's largest earthquakes ... > full story -
New Monitoring Stations Detect 'Silent Earthquakes' In Costa Rica
February 19, 2009 — After installing an extensive network of monitoring stations in Costa Rica, researchers have detected slow slip events (also known as "silent earthquakes") along a major fault zone beneath the Nicoya ... > full story -
Mega-earthquake Risk For West Coast, US And Canada? Seismic Slip Linked To Tremor, With Implications For Subduction Zone
February 2, 2009 — New evidence suggests that tectonic plate slippage and nonvolcanic tremor near the Cascadia subduction zone both are signs of processes taking place 25 miles deep at the interface of the Juan de Fuca ... > full story -
Early Warning Systems Underestimate Magnitude Of Large Earthquakes
January 29, 2009 — Scientists seek to create reliable early warning systems that accurately estimate the magnitude of an earthquake within the first seconds of rupture. Scientists looked at the idea that an ... > full story
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