Donyelle Davis
Science and Products
Track Potential Flooding from Hurricane Sally
To learn more about USGS’s role in providing science to decision makers before, during and after Hurricane Sally, visit usgs.gov/sally.
USGS Scientists Work on Four Tropical Cyclones at Once
Laura and Sally affecting Gulf Coast, waves from Paulette and Teddy to strike Atlantic beaches
To learn more about USGS’s role in providing science to decision makers before, during and after Hurricane Sally, visit usgs.gov/sally.
USGS: Laura to Strongly Affect Louisiana Beaches, Barrier Islands
Some erosion likely for nearly one-half of sandy shorelines from East Texas to Alabama
Editor's Note: This updated story reflects today's coastal change forecast and includes a new map.
To learn more about USGS’s role in providing science to decision makers before, during and after Hurricane Laura, visit www.usgs.gov/laura
USGS: Laura to strongly affect Texas, Louisiana beaches and barrier islands
To learn more about USGS’s role in providing science to decision makers before, during and after Hurricane Laura, visit www.usgs.gov/laura
USGS predicts Gulf beach erosion from Marco, gets set to measure storm effects
To learn more about USGS’s role in providing science to decision makers before, during and after Tropical Storm Marco, visit www.usgs.gov/marco
This story was updated August 24 based on the latest coastal change forecast.
USGS Awards More Than $12.5 Million to Advance the ShakeAlert Earthquake Early Warning System in California, Oregon and Washington
The U.S. Geological Survey has awarded more than $12.5 million to seven universities and a university-governed non-profit to support operation, improvement and expansion of the ShakeAlert earthquake early warning system for the West Coast of the United States.
Kilauea volcanic activity and ash eruptions intensify
With ash eruptions occurring from Kilauea’s summit this week, there is a threat of an even larger steam-driven violent explosion. Such an eruption could happen suddenly and send volcanic ash 20,000 feet into the air, threatening communities for miles.
One of the first Black USGS geophysicists, pioneers subsurface research
Early in his college career, U.S. Geological Survey geophysicist Rufus Catchings became drawn to the mysteries that lie beneath the earth’s surface — and was determined to understand them.
USGS Geologists Join Efforts in Montecito to Assess Debris-Flow Aftermath
Days after fatal debris flows devastated Southern California’s Montecito community, a team of U.S. Geological Survey geologists joined county, state, and federal partners to survey and evaluate the aftermath.
USGS Scientist Mobilizes with Recon Team to Learn from Mexico's Earthquake Early Warning System
USGS seismologist Elizabeth Cochran studied the performance of Mexico City’s earthquake early warning system, during devastating Sept. 19, 2017 event
Return to the Alaska Wilderness: USGS Scientists visit one of North America’s fastest-moving faults
A team of USGS scientists spent two weeks in the isolated Glacier Bay National Park, exploring one of the fastest-moving faults in North America.
Harvesting Earthquake Fault Slip from Laser Images of Napa's Vineyards
A new U.S. Geological Survey-led study suggests that earthquake-related deformation just below the Earth's surface can be quite different from how it is expressed at the surface.