Chairs: Ulrich Kueppers, Ludwig-Maximilians Universität München, Department of Earth and Environmental Sciences, Munich, Germany and Benjamin James Andrews, National Museum of Natural History, Smithsonian Institution, Mineral Sciences, Washington, United States
Primary Convener: Ulrich Kueppers, Ludwig-Maximilians Universität München, Department of Earth and Environmental Sciences, Munich, Germany
Co-Convener: Benjamin James Andrews, Smithsonian NMNH, Global Volcanism Program, Washington, DC, United States
OSPA Liaison: Benjamin James Andrews, Smithsonian NMNH, Global Volcanism Program, Washington, DC, United States
Geospatial and statistical analysis of volcanic ash leachate data from Mt. St. Helens (22544)
Paul M Ayris1, Pierre Delmelle2, Benoît Pereira3, David E Damby1, Adam J Durant4, Elena Charlene Maters2 and Donald B Dingwell5, (1)Ludwig Maximilian University of Munich, Earth & Environmental Sciences, Munich, Germany, (2)Université Catholique de Louvain, Louvain-La-Neuve, Belgium, (3)Université Catholique de Louvain, Earth and Life Institute, Environmental Sciences (ELIe), Louvain-La-Neuve, Belgium, (4)University of Oslo, Department of Geoscience, Meteorology and Oceanography Section, Oslo, Norway, (5)Ludwig Maximilian University of Munich, Earth and Environmental Sciences, Munich, Germany
Evidence of a complex shallow reservoir network from micro-textural observations of the scoria products of the 1085 AD Sunset Crater eruption (29656)
Fabrizio Alfano, Arizona State University, School of Earth and Space Exploration, Tempe, AZ, United States, Laura Pioli, University of Geneva, Sciences de la Terre, Geneva, Switzerland, Amanda B Clarke, Arizona State University, Tempe, AZ, United States, Michael H Ort, Northern Arizona University, School of Earth and Sustainability, Flagstaff, AZ, United States, Kurt Roggensack, Arizona State University School of Earth & Space Exploration, Tempe, AZ, United States and Stephen Self, University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States
From pumice to obsidian: eruptive behaviors that produce tephra-flow dyads. II- The 114ka trachyte eruption at Pu’u Wa’awa’a (Hawai’i). (19621)
Tanis C Leonhardi, University of Hawaii at Manoa, Geology and Geophysics, Honolulu, HI, United States, Thomas Shea, University of Hawaiʻi at Mānoa, Honolulu, United States, Thomas Giachetti, University of Oregon, Eugene, United States, Jessica F Larsen, University of Alaska Fairbanks, Department of Geosciences, Fairbanks, AK, United States and Amanda N Lindoo, University of Alaska Fairbanks, Fairbanks, AK, United States
Sintering of Glass in Hydrous Atmospheres and its Implications for Welding of Volcanic Deposits (22562)
Felix W. von Aulock, University of Liverpool, Liverpool, United Kingdom, Fabian B Wadsworth, Ludwig Maximilian University of Munich, Munich, Germany, Yan Lavallée, University of Liverpool, Department of Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom and Jeremie Vasseur, Ludwig Maximilians University of Munich, Munich, Germany
Vesicularity variation to pyroclasts from silicic eruptions at Laguna del Maule volcanic complex, Chile (20732)
Heather Michelle Nicholson Wright, USGS Cascades Volcano Observatory, Vancouver, United States, Judy Fierstein, U.S. Geological Survey, Menlo Park, United States, Alvaro Amigo, Servicio Nacional de Geologia y Mineria - SERNAGEOMIN, Red Nacional de Vigilancia Volcanica, Talca, Chile and Jonathan Miranda, USGS Cascades Volcano Observatory, Vancouver, WA, United States
New field evidence for silicic ignimbrites and proximal lavas and their distribution in the Parana Basin, Brazil (17044)
Samantha Tramontano, American Museum of Natural History, New York, United States, Lydia Jane Harmon, Arizona State University, School of Earth and Space Exploration, Tempe, United States, Darren McClurg Gravley, University of Canterbury, Earth and Environment, Christchurch, New Zealand and Guilherme A R Gualda, Vanderbilt University, Department of Earth and Environmental Sciences, Nashville, TN, United States
Pyroclastic Flow (Post-)Emplacement Thermal History Derived From Titanomagnetite Curie Temperatures: Mt. St. Helens and Soufrière Hills as Test Cases (20029)
Julie A Bowles1, I R M2, Sophie-Charlotte Luise Leonore Lappe1, Peter Solheid3 and Adam J Stinton4, (1)University of Wisconsin Milwaukee, Geosciences, Milwaukee, WI, United States, (2)University of Minnesota Twin Cities, Institute for Rock Magnetism, Minneapolis, MN, United States, (3)University of Minnesota Twin Cities, Institute for Rock Magnetism, Minneapolis, United States, (4)Montserrat Volcano Observatory, Flemmings, Montserrat
The characteristics of coignimbrite deposits and inferences for their formation (21215)
Samantha L Engwell, British Geological Survey, The Lyell Centre, Edinburgh, United Kingdom, Julia Eychenne, Laboratoire Magmas et Volcans, Aubière, France, Sabine Wulf, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Section 5.2: Climate Dynamics and Landscape Evolution, Potsdam, Germany and Mattia De' Michieli Vitturi, Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Pisa, Pisa, Italy
Large-scale volcaniclastic turbidites from subaerial caldera-forming eruptions at Dominica: insights from IODP site U1398 cores (19325)
Fukashi Maeno, Univ Tokyo, Tokyo, Japan, Osamu Ishizuka, National Institute of Advanced Industrial Science and Technology, Ibaraki, Japan, Kyoko S. Kataoka, Niigata University, Niigata, Japan, Anne Le Friant, Université de Paris, Institut de physique du globe de Paris, CNRS, Paris, France, Georges Boudon, Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, Paris, France and Benoit Villemant, Institut de Physique du Globe de Paris, Paris, France
Lab Experiments Probe Interactions Between Dilute Pyroclastic Density Currents and 3D Barriers (10354)
Kristen E Fauria, Vanderbilt University, Department of Earth and Environmental Sciences, Nashville, United States, Benjamin James Andrews, National Museum of Natural History, Smithsonian Institution, Mineral Sciences, Washington, United States and Michael Manga, Univ of California Berkeley, Earth and Planetary Sciences, Berkeley, United States
Settling dynamics of basaltic (Etna) and trachytic (Laacher See) ash particles: insight from laboratory high speed imaging (12798)
Daniele Andronico1, Elisabetta Del Bello2, Alix Vu Duc3, Antonio Cristaldi1, Ulrich Kueppers4, Tullio Ricci2, Piergiorgio Scarlato2, Simona Scollo1 and Jacopo Taddeucci5, (1)INGV National Institute of Geophysics and Volcanology, Osservatorio Etneo, Sezione di Catania, Catania, Italy, (2)INGV National Institute of Geophysics and Volcanology, Rome, Italy, (3)Université catholique de Louvain, Croix du Sud 2 bte L7.05.10, B-1348, Earth & Life Institute, Louvain-la-Neuve, Belgium, (4)Ludwig-Maximilians Universität München, Department of Earth and Environmental Sciences, Munich, Germany, (5)Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Roma 1, Palermo, Italy
Physiochemical processes in the nuclear cloud: a record from aerodynamic Trinity fallout (28433)
Chloe E Bonamici1, John Fournelle2, Mindy M Zimmer3, William Kinman3 and Anthony D Pollington3, (1)Los Alamos National Laboratory, Los Alamos, United States, (2)University of Wisconsin Madison, Dept. of Geoscience, Madison, United States, (3)Los Alamos National Laboratory, Los Alamos, NM, United States
Propagation of Source Grain-size Distribution Uncertainty by Using a Lagrangian Volcanic Particle Dispersal Model (29020)
Augusto Neri1, Mattia De' Michieli Vitturi1, Federica Pardini2, Maria Vittoria Salvetti2,3 and Antonio Spanu3, (1)Istituto Nazionale di Geofisica e Vulcanologia, Pisa, Italy, (2)University of Pisa, Dipartimento di Ingegneria Civile e Industriale, Pisa, Italy, (3)Istituto Nazionale di Geofisica e Vulcanolgia, Sezione di Pisa, Pisa, Italy