Tidal forces act on well water around the San Andreas Fault, giving researchers a new window into the hydrogeological structure of fault zones.
Hazards & Disasters
Posted inNews
Ecuador Earthquake Kills Hundreds, Injures Thousands
Ecuador's president declared a state of emergency after a large earthquake shook the country.
Posted inResearch Spotlights
Are U.S. States Prepared to Manage Water in a Changing Climate?
An empirical study of water allocation and planning in five states concludes that they lack a statewide strategy to manage the impacts of climate change on water resources.
Posted inResearch Spotlights
Volcanic Lightning Could Aid Hazard Response During Eruptions
Lightning and ash plume dynamics reflected eruption behavior and signaled the onset of fast-moving rock and gas flows during the 2015 eruption of Chile's Calbuco volcano.
Posted inNews
Senate Pushes USGS Director for More Action on Minerals, Hazards
Suzette Kimball also tells senators that innovation is the characteristic she hopes to nurture the most as USGS director.
Posted inNews
Sound Waves Help Scientists Track Volcanic Eruptions
When sound waves hit the ground, they shake seismometers like earthquake waves. Scientists can now use these sound-induced seismic waves to investigate volcanic activity.
Posted inNews
A Warm Day Can Trigger Rockfalls
Research on a cliff face in Yosemite National Park finds that when rockfalls happen without an obvious cause, ordinary warming in the Sun could be the culprit.
Posted inResearch Spotlights
Earthquakes May Prevent Underwater Landslides
Smaller quakes around the active edge of continental plates may contribute to increased stability by promoting compaction and solidifying the top 100 meters of seafloor sediment.
Posted inEditors' Vox
Toward an Understanding of Earth-Affecting Solar Eruptions
Coronal mass ejection forecasting improves with technological developments and increasing availability of data.
Posted inScience Updates
Anticipating Cascading Effects from Climate Extremes
Preparing for High Consequence, Low Probability Events: Heat, Water & Energy in the Southwest; Tucson, Arizona, 28–29 September 2015