Mar 31, 2026 · 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.

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 understanding of …

58 km E of Pedro Bay, Alaska 2026-04-03 08:17:45 (UTC-07:00) 123.0 km

Live view of the eruption in Halemaʻumaʻu, from the northwest rim of the caldera [V1cam]. This camera is a pan-tilt-zoom model and the view may change depend...

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 reflect new naming …

4 days ago · An earthquake struck on Monday off Japan's northeastern coast, USGS said, prompting tsunami warnings that were ultimately cancelled.

Apr 24, 2008 · USGS scientists study glacier movement and ice conditions across Alaska to better understand how these winter landscapes behave. Because when travel depends on frozen rivers …

Earthquake Photo Collections USGS and non-USGS collections of earthquake-related features and effects and shaking damage. Search Earthquake Catalog View historic seismicity, find past …

The USGS is a primary Federal source of science-based information on ecosystems, land use, energy and mineral resources, natural hazards, water use and availability, and updated maps and images of …

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 environment, and …