What is a Tagging Study? Understanding the performance and fate of individual fish helps us understand why populations fluctuate over time. Since 1997, we have studied stream fish using tags that ...

Lithium is necessary for low-carbon technologies that combat climate change, but lithium extraction is water-intensive. Changes in temperature and precipitation arising from climate change are ...

Summary: Numerous rapid cycles of south vent overflows and drainback occurred overnight within Halema'uma'u crater at the summit of Kīlauea. The north and south vents had strong glow and intermittent ...

Geochemical, mineralogical, and isotopic evidence for multi-stage genesis of the Hicks Dome REE + Y-HFSE-fluorite deposit, Illinois, USA Geochemical, mineralogical, and isotopic evidence for ...

Propose a New Name or Name Change for a Geographic Feature in the U.S.

To view an earthquake cross-sectional plot, click "Draw Plot" to start drawing on the map. Once the plot area is selected, click on "View Plot" to view chart or "Clear Plot" to start over.

The USGS works in collaboration with partners to monitor groundwater levels using the framework of the National Groundwater Monitoring Network (NGWMN).

In general, the east-west trending Cordillera Central and Sierra de Cayey mountains form an insular hydrologic divide that separates the island of Puerto Rico into two climatologically distinct ...

Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises ...

Permeability and compressibility of “seal” sediment overlying the B1 sand gas hydrate reservoir: Hydrate 02 Geo Data Well, Prudhoe Bay unit, Alaska North Slope Permeability and compressibility of ...

Yes. We can see evidence of magnetic polarity reversals by examining the geologic record. When lavas or sediments solidify, they often preserve a signature of the ambient magnetic field at the time of ...

The USGS provides historic and recent water use data for the United States including the District of Columbia, Puerto Rico, and the U.S. Virgin Islands. This page provides an up-to-date guide to ...