AUTHOR=Tierz Pablo , Bevilacqua Andrea , Mead Stuart , Spiller Elaine , Sandri Laura TITLE=Editorial: Field Data, Models and Uncertainty in Hazard Assessment of Pyroclastic Density Currents and Lahars: Global Perspectives JOURNAL=Frontiers in Earth Science VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2021.665725 DOI=10.3389/feart.2021.665725 ISSN=2296-6463