2 days ago · Part of the U.S. Department of the Interior, the USGS began in 1879 to study the nation’s lands and resources. Today, we monitor, analyze, and predict Earth’s changing systems.

2026-01-07 19:23:54 (UTC-08:00) 11.6 km

The United States Geological Survey (USGS), founded as the Geological Survey, is an agency of the United States Department of the Interior whose work spans the disciplines of biology, …

To narrow your search area: type in an address or place name, enter coordinates or click the map to define your search area (for advanced map tools, view the help documentation), and/or …

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The U.S. Geological Survey (USGS) is the nation's largest water, earth, and biological science and civilian mapping agency. It collects, monitors, analyzes, and provides scientific …

Looking for real-time data? Choose from one of the USGS data networks below. Enter some key terms to search the Science Data Catalog index. Explore by using our guided browse option.

We provide science about the natural hazards that threaten lives and livelihoods, the water, energy, minerals, and other natural resources we rely on, the health of our ecosystems and …

Home page for water resources information from the US Geological Survey.

Nov 3, 2022 · Use The National Map Viewer to explore GIS data, see availability of USGS topographic maps, and create your own web map.