1 day 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.

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 …

7 km SW of Ciudad Sandino, Nicaragua 2026-03-26 10:15:44 (UTC-07:00) 155.7 km

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 …

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 …

Apr 2, 2026 · A magnitude 4.6 earthquake centered in Santa Cruz County rattled Northern California early Thursday, waking people up as far away as San Francisco.

As the science arm of the Department of the Interior, the USGS brings an array of earth, water, biological, and mapping data and expertise to bear in support of decision-making on environmental, …

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 …

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 …

USGS has over 13,500 real-time stream, lake, reservoir, precipitation, water quality, and groundwater monitoring locations. View the latest continuous data in your area together with weather-related data …