USGS.gov | Science for a changing world
4 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.
U.S. Geological Survey (USGS) | USAGov
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 …
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Latest Earthquakes
2025-12-11 03:59:22 (UTC-08:00) 10.0 km
USGS sends 'errant warning' of 5.9 earthquake near Dayton
Dec 4, 2025 · The United States Geological Survey put out a false alarm for a 5.9 earthquake east of Dayton, Nevada, on Thursday morning. "This was an errant earthquake warning sent out by …
USGS - EarthExplorer
The provided maps are not for purchase or for download; they are to be used as a guide for reference and search purposes only; layers not owned or managed by the USGS may not …
Small earthquake swarm shakes the Bay Area, USGS says
4 days ago · A handful of small earthquakes hit south of San Ramon on Monday morning, according to the U.S. Geological Survey.
Twitter. It’s what’s happening / Twitter
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Topographic Maps | U.S. Geological Survey - USGS.gov
US Topo is the current USGS topographic map series for the Nation. These are modeled on the legacy 7.5-minute maps, but are mass-produced from GIS databases of The National Map and …
About Us | U.S. Geological Survey - USGS.gov
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 …