The United States Geological Survey, or USGS, is a scientific agency of the U.S. government. It is part of the Department of the Interior and focuses on studying the natural resources and natural hazards of the country. The agency conducts research on topics such as earthquakes, volcanoes, water resources, and ecosystems to provide valuable data for decision-making and public safety. USGS also plays a crucial role in mapping and monitoring the landscape of the United States. It produces topographic maps and conducts geological surveys to help understand the earth's processes. The information gathered by USGS supports various sectors, including environmental management, land use planning, and disaster response.