Earth Resources Observation and Science (EROS) Center


Located outside Sioux Falls, South Dakota, EROS is a Federal science center operated by the U.S. Geological Survey. Since 1972, EROS has worked to map, monitor, and analyze land change across our nation and around the world. Follow the links below to learn more about our work, our focus, and our unique history.

Introducing... EROS!

Map to USGS EROS Center

The public is welcome to visit the USGS Earth Resource Observation Science (EROS) Center near Sioux Falls, SD between 8 a.m. and 4 p.m. (Central Time), Monday through Friday. EROS is closed on Federal holidays and weekends. The center hosts tours each day at 10 a.m. and 2 p.m. Monday through Friday, with other tour times and extended tours available upon request. Click here to request a tour.

Aerial photo of the EROS science center

In 1966, the Department of the Interior announced it was launching a new endeavor with the revolutionary goal of gathering data about the Earth's natural resources using satellites equipped with sophisticated remote sensing instruments. Discover how EROS developed in tandem with the Landsat satellite program to become a world-renown center for Earth observation and data products.