Detailed analysis of cores drilled through New Zealand's most dangerous on-land fault indicates that its permeability and strength are altered by mineral precipitation between seismic events.
geology
Posted inNews
Merle Lee Allison (1948–2016)
A dynamic geologist with a knack for organizing people, he served as state geologist in three different states and pioneered global efforts to develop cyberinfrastructure for the Earth sciences.
Posted inResearch Spotlights
New Ground-Penetrating Radar Method Shows Promise in Aquifer
Recent advances in ground-penetrating radar data analysis could help reveal aquifer structure in unprecedented detail.
Posted inScience Updates
Seeking Signs of Life and More: NASA’s Mars 2020 Mission
The next Mars rover will be able to land near rugged terrain, giving scientists access to diverse landscapes. It will also cache core samples, a first step in the quest to return samples to Earth.
Posted inScience Updates
Developments in the Study of Rock Physics
AGU/SEG Joint Workshop on Upper Crust Physics of Rocks; Hilo, Hawaii, 11–14 July 2016
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Pinpointing the Trigger Behind Yellowstone's Last Supereruption
Geologists suggest that mixing of magma melt pockets could have caused the explosion a little more than 600,000 years ago.
Posted inScience Updates
A Name Directory for the Ocean Floor
New Web resources enable scientists to standardize the naming of seamounts, trenches, and other undersea features, reducing ambiguity in identification and communication.
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Cores from Crater Tied to Dinosaur Demise Validate Impact Theory
Drilling into the famous, deeply buried Chicxulub crater off Mexico, researchers found deformed and porous granite that opens new avenues of research.
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Whiskers on Familiar Crystal Revealed as New Mineral
A 14-year-old girl's chance encounter with a random sample of tanzanite led scientists to find an entirely new mineral.
Posted inAGU News
Behr Receives 2016 Jason Morgan Early Career Award
Whitney Behr will receive the 2016 Jason Morgan Early Career Award at the 2016 American Geophysical Union Fall Meeting, to be held 12–16 December in San Francisco, Calif. The award is for significant early-career contributions in Tectonophysics.