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Geoscientists find clues to why first Sumatran earthquake was deadlier than second
An international team of geoscientists has uncovered geological differences between two segments of an earthquake fault that may explain why the 2004 Sumatra Boxing Day Tsunami was so much more devastating than a second earthquake generated tsunami three months later.
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Geoscientists find clues to why first Sumatran earthquake was deadlier than second -
NASA radar images show how Mexico quake deformed Earth
Minerals in northern Mars craters seen by two orbiters suggest that a phase in Mars’ early history with conditions favorable to life occurred globally, not just in the south.
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NASA radar images show how Mexico quake deformed Earth -
Geo-neutrinos: Discovery of subatomic particles could answer deep questions in geology
An international team has detected subatomic particles — geo-neutrinos — deep within Earth’s interior. The discovery could help geologists understand how reactions taking place in the planet’s interior affect events on the surface such as earthquakes and volcanoes. Someday, scientists may know enough about the sources and flow of heat in Earth to predict events like the recent volcanic eruption in Iceland.
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Geo-neutrinos: Discovery of subatomic particles could answer deep questions in geology -
Afghanistan’s rich mineral deposits: Aerogeophysical survey provides promising prospects of economic development
Data gathered and compiled by NRL and USGS scientists during geophysical survey flights over Afghanistan reveal potentially rich natural resource sediment basins and mineral deposits and provide hydrologic and geospatial referenced imagery to support infrastructure and economic development.
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Afghanistan’s rich mineral deposits: Aerogeophysical survey provides promising prospects of economic development -
NASA demonstrates tsunami prediction system
A NASA-led research team has successfully demonstrated for the first time elements of a prototype tsunami prediction system that quickly and accurately assesses large earthquakes and estimates the size of resulting tsunamis.
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NASA demonstrates tsunami prediction system -
Building to withstand hurricanes
An expert in the design of low-rise buildings for extreme winds and hurricane, hopes her phone won’t ring much this hurricane season. It’s already been busy with requests for information about best building design and construction practices to reduce wind pressures on building surfaces.
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Building to withstand hurricanes -
Revised seismotectonic model for California Central Coast: More complex than previously thought
A new catalog of earthquake locations and focal mechanisms for the California Central Coast underscores the fault complexity of the region and identifies newly observed features offshore near San Luis Obispo.
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Revised seismotectonic model for California Central Coast: More complex than previously thought -
Large earthquake triggering, clustering and the synchronization of faults
The “signature of synchronicity” of large earthquakes — clusters of ruptures of several faults followed by periods of quiescence — found in the paleoseismic record also reflects the common observation that large earthquakes can trigger other large earthquakes on nearby faults.
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Deep subduction of the Indian continental crust beneath Asia
Geological investigations in the Himalayas have revealed evidence that when India and Asia collided some 90 million years ago, the continental crust of the Indian tectonic plate was forced down under the Asian plate, sinking down into the Earth’s mantle to a depth of at least 200 km.
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Deep subduction of the Indian continental crust beneath Asia -
Odds are about 1-in-3 that mega-earthquake will hit Pacific Northwest in next 50 years, scientists say
The major earthquakes that devastated Chile earlier this year and which triggered the catastrophic Indonesian tsunami of 2004 are more than just a distinct possibility to strike the Pacific Northwest coast of the United States, scientists say.
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Odds are about 1-in-3 that mega-earthquake will hit Pacific Northwest in next 50 years, scientists say -
Radio tags could save lives after earthquakes
Radio frequency identification, RFID, could be used in the immediate aftermath of a major earthquake to save lives, according to new research.
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Radio tags could save lives after earthquakes -
Peruvian tectonic plates move by earthquakes and non-seismic slip
Just a few years ago, Dan Farber happened to be doing field work in Peru with students when the 8.0 Pisco earthquake struck. As a scientist working in the active tectonics of the Peruvian Andes Farber was asked by colleagues if he could participate in a rapid response team to map the damage of the seismic deformation and install a system of geodetic stations.
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Peruvian tectonic plates move by earthquakes and non-seismic slip -
Aseismic slip as a barrier to earthquake propagation
A research team made up of scientists from the U.S., Peru and France report on their analysis of GPS data from the 2007 Pisco quake in Peru.
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Aseismic slip as a barrier to earthquake propagation -
Part of Alaska inundated by ancient megafloods
New research indicates that one of the largest fresh-water floods in Earth’s history happened about 17,000 years ago and inundated a large area of Alaska that is now occupied in part by the city of Wasilla.
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Part of Alaska inundated by ancient megafloods -
Scientists probe Earth’s core
By observing distant earthquakes, researchers have revealed new clues about the top of the Earth’s core.
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Scientists probe Earth’s core -
Researchers study effect of yuma desalting plant on Cienega de Santa Clara
Mexico’s Cienega de Santa Clara, the largest wetland on the Colorado River Delta, is home to several endangered species and is a major stopover for birds migrating north and south along the Pacific Flyway. Researchers aim to find out if operating the Yuma Desalting Plant in Arizona changes the largest wetland on the Colorado River Delta. The desalting plant is scheduled to begin its latest trial run May 3.
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Researchers study effect of yuma desalting plant on Cienega de Santa Clara -
Earthquake-resistant engineering
How do engineers prepare buildings to withstand earthquakes? According to experts in Spain, one approach to this problem is to consider a building as you would a living being.
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Earthquake-resistant engineering -
Recent earthquake activity is not unusual, scientists say
China’s tragic magnitude 6.9 earthquake on April 13 and the recent devastating earthquakes in Haiti, Chile, Mexico, and elsewhere have many wondering if this earthquake activity is unusual.
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Recent earthquake activity is not unusual, scientists say -
Earthquake in Chile causesd days to be longer, Austrian researchers find
Since the earthquake in Chile in February 2010, researchers in Austria have been helping measure Earth on a global scale.
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Earthquake in Chile causesd days to be longer, Austrian researchers find -
Earthquake in Chile causesd days to be longer, Austrian researchers find
Since the earthquake in Chile in February 2010, researchers in Austria have been helping measure Earth on a global scale. First results indicate that the rotational speed of Earth has become marginally slower and days have become longer by 0.3 microseconds.
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Earthquake in Chile causesd days to be longer, Austrian researchers find
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