Feb 2, 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 …

69 km NNE of Cruz Bay, U.S. Virgin Islands 2026-02-08 17:27:31 (UTC-08:00) 35.0 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 …

FREE topographic maps online 24/7. View all of our high-quality shaded relief USGS topo maps, Forest Service maps, satellite images, and custom map layers for free.

We would like to show you a description here but the site won’t allow us.

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 published as …

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 provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.

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 …