You are here: Home > Library > 2018 update to the U.S. Geological Survey national volcanic threat assessment
2018 UPDATE TO THE U.S. GEOLOGICAL SURVEY NATIONAL VOLCANIC THREAT ASSESSMENT
Ewert, J.W., Diefenbach, A.K., and Ramsey, D.W., 2018, 2018 update to the U.S. Geological Survey national volcanic threat assessment: U.S. Geological Survey Scientific Investigations Report 2018-5140, 40 p., https://doi.org/10.3133/ sir20185140. download from USGS