Washington Geological Survey

The Washington Geological Survey is a state agency that studies and maps Washington’s rocks, minerals, groundwater, and natural resources. Its goal is to provide accurate, reliable information to help manage and protect the state's environment, resources, and public safety. The survey conducts research on geological hazards like earthquakes and landslides and offers data to support land use planning, natural resource development, and disaster preparedness. By understanding Washington’s geology, the survey helps communities make informed decisions to promote sustainable growth and safety.