Geological Society of America

8:35 AM

BALLISTIC BLOCK TEXTURES: INDICATORS OF A DYNAMIC AND COMPLEX SHALLOW CONDUIT DURING THE VULCANIAN PHASE OF THE 1912 ERUPTION OF NOVARUPTA, ALASKA

Samantha J. Isgett, University of Hawaii, Honolulu, HI and B.F. Houghton, University of Hawaii, Honolulu, HI and Helge Gonnermann, Rice University, Houston, TX

292672 (Theme Sessions)

8:55 AM

THE OPENING SUBPLINIAN PHASE OF THE HEKLA 1991 ERUPTION: PROPERTIES OF THE TEPHRA FALL DEPOSIT

J. Gudnason, School of Engineering and Natural Sciences, University of Iceland, Reykjavik and T. Thordarson, School of Engineering and Natural Sciences, University of Iceland, Reykjavik and B.F. Houghton, University of Hawaii, Honolulu, HI and G. Larsen, University of Iceland, Reykjavik

292792 (Theme Sessions)

9:15 AM

STYLES OF PYROCLASTIC ACTIVITY AT KīLAUEA, 2011-2017

B.F. Houghton, University of Hawaii, Honolulu, HI and T.R. Orr, US Geological Survey, Hawaii National Park, HI and J. Taddeucci, Istituto Nazionale di Geofisica e Vulcanologia, Rome and R.J. Carey, University of Tasmania, Hobart

292652 (Theme Sessions)

9:35 AM

ANALYSIS OF PYROCLAST SIZE DISTRIBUTIONS DURING SPATTERING ACTIVITY AT HALEMA‘UMA‘U IN 2015

Bianca G. Mintz, University of Hawai'i, Honolulu, HI and Bruce F. Houghton, University of Hawaii, Honolulu, HI and Tim R. Orr, Hawaiian Volcano Observatory, Hawaii National Park, HI and Jacopo Taddeucci, Istituto Nazionale di Geofisica e Volcanologia, Rome, N/A and Damien Gaudin, Istituto Nazionale di Geofisica e Volcanologia, Rome and Ulrich Kueppers, LMU, Muenchen and Rebecca J. Carey, University of Tasmania, Honolulu and Piergiorgio Scarlato, Rome and Elisabetta Del Bello, Istituto Nazionale di Geofisica e Volcanologia, Rome

292755 (Theme Sessions)

10:25 AM

NATURE OF EXPLOSIVE ACTIVITY IN THE 10TH CENTURY ELDGJA ERUPTION, ICELAND

W.M. Moreland, School of Engineering and Natural Sciences, University of Iceland, Reykjavik and T. Thordarson, School of Engineering and Natural Sciences, University of Iceland, Reykjavik and B.F. Houghton, University of Hawaii, Honolulu, HI

292830 (Theme Sessions)

10:45 AM

END OF AN ERA: THE FINAL EXPLOSIVE ERUPTIONS OF KEANAKĀKO‘I TEPHRA AT KĪLAUEA

Donald A. Swanson, U.S. Geological Survey, Hawaii National Park, HI and Sebastien Biass, University of Hawai'i, Honolulu, HI and Michael O. Garcia, University of Hawaiʻi at Mānoa, Honolulu, HI

292369 (Theme Sessions)

11:05 AM

HIGH-ENERGY LAVA–WATER EXPLOSIONS: A CASE STUDY FROM HAWAI‘I

Erin P. Fitch, University of Hawai'i, Honolulu, HI and Sarah A. Fagents, University of Hawai'i, Honolulu, HI

293012 (Theme Sessions)

11:25 AM

VOLCANOES CONTROL CLIMATE CHANGE WITH SUBDUCTION-RELATED, EXPLOSIVE, AEROSOL-FORMING ERUPTIONS CAUSING SLOW, INCREMENTAL COOLING AND RIFT-RELATED, BASALTIC, EFFUSIVE ERUPTIONS CAUSING RAPID WARMING IN SEQUENCES THAT ARE SPORADIC AND CLEARLY NOT CYCLIC BUT AVERAGE A FEW THOUSAND YEARS

Peter Ward, Science Is Never Settled, Jackson, WY

292480 (Theme Sessions)

43 Explosive Volcanism

Presentations