To amend the John D. Dingell, Jr. Conservation, Management, and Recreation Act to reauthorize the National Volcano Early Warning and Monitoring System.

This bill reauthorizes through FY2030 the National Volcano Early Warning and Monitoring System of the U.S. Geological Survey (USGS).  The system, implemented by the USGS in collaboration with the National Oceanic and Atmospheric Administration, includes a monitoring network, volcano observatories, a national data center, and external research grants.