Newly discovered rock mounds left by ancient methane seeps give scientists clues that methane on ancient ocean floor was released by ancient global warming.
geology
Posted inResearch Spotlights
What Causes Rock Avalanches?
Experimental studies of frictional weakening beneath a deadly rock avalanche in China help to clarify the mechanisms that cause these devastating natural disasters.
Posted inEditors' Vox
Neotectonics and Earthquake Forecasting
The editors of a new book describe the evolution of major earthquake producing fault zones in the eastern Mediterranean region and explore how earthquake forecasting could improve.
Posted inResearch Spotlights
Exploring Ancient Ocean Acidification in the Rock Record
Scientists studying Earth's ancient oceans use a new method to measure ocean acidification and its effect on extinction events.
Posted inResearch Spotlights
Alteration Along the Alpine Fault Helps Build Seismic Strain
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.
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
Posted inNews
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.