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NASA Mars Rover Fully Analyzes First Soil Samples

PASADENA, Calif. – NASA’s Mars Curiosity rover has used its full array of instruments to analyze Martian soil for the first time, and found a complex chemistry within the Martian soil. Water and sulfur and chlorine-containing substances, among other ingredients, showed up in samples Curiosity’s arm delivered to an analytical laboratory inside the rover.

Detection of the substances during this early phase of the mission demonstrates the laboratory’s capability to analyze diverse soil and rock samples over the next two years. Scientists also have been verifying the capabilities of the rover’s instruments. (more…)

Japan Earthquake Appears to Increase Quake Risk Elsewhere in the Country

By Guest PostMay 26, 2011Environmentaftershocks, boso, coulomb stress triggering, earthquake, geological evidence, honshu island, izu islands, Japan, japan sea, jian lin, kyoto university, magnitude, mainshocks, microearthquakes, mount, nagano, normal faults, ross s stein, sanriku hokobu, sendai, stress, toda, tohoku earthquake, tohoku mainshock, tokyo area, tsunami, usgs, whoi, woods hole oceanographic institution

Japan’s recent magnitude 9.0 earthquake, which triggered a devastating tsunami, relieved stress along part of the quake fault but also has contributed to the build up of stress in other areas, putting some of the country at risk for up to years of sizeable aftershocks and perhaps new main shocks, scientists say.

After studying data from Japan’s extensive seismic network, researchers from the Woods Hole Oceanographic Institution (WHOI), Kyoto University and the U.S. Geological Survey (USGS) have identified several areas at risk from the quake, Japan’s largest ever, which already has triggered a large number of aftershocks. (more…)

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NASA Mars Rover Fully Analyzes First Soil Samples

Japan Earthquake Appears to Increase Quake Risk Elsewhere in the Country