OS33B:
Marine Geohazards IV Posters

Wednesday, 17 December 2014: 1:40 PM-6:00 PM
Chairs:  Katherine L Maier, Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, CA, United States and Daniel S Brothers, Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, CA, United States
Primary Conveners:  Daniel S Brothers, Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, CA, United States
Co-conveners:  Jason D Chaytor, USGS, Woods Hole, MA, United States, Uri S Ten Brink, US Geological Survey, Woods Hole, MA, United States and Katie Maier, Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, CA, United States
OSPA Liaisons:  Jason D Chaytor, US Geological Survey, Woods Hole, MA, United States

Abstracts Submitted to this Session:

 
High-Magnitude (>Mw8.0) Megathrust Earthquakes and the Subduction of Thick Sediment, Tectonic Debris, and Smooth Sea Floor
David W Scholl1,2, Stephen H Kirby3, Roland von Huene2, Holly F Ryan4 and Ray E Wells5, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)U S Geological Survey, Menlo Park, CA, United States, (3)U. S. Gelogical Survey, Menlo Park, CA, United States, (4)USGS, Menlo Park, CA, United States, (5)USGS California Water Science Center Menlo Park, Menlo Park, CA, United States
 
Offset of Latest Pleistocene Shoreface Reveals Slip Rate on the Hosgri Strike-Slip Fault, Offshore Central California
Samuel Y Johnson, Stephen R. Hartwell and Peter Dartnell, USGS, Santa Cruz, CA, United States
 
Marine neotectonic investigation of the San Gregorio Fault Zone on the northern flank of Monterey Canyon, offshore central California
Katherine L Maier1, Charles K Paull2, Daniel S Brothers1, Mary McGann3, David W Caress2, Eve M Lundsten4, Krystle Anderson2 and Roberto Gwiazda2, (1)Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, CA, United States, (2)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (3)Pacific Coastal and Marine Science Center Menlo Park, Menlo Park, CA, United States, (4)Monterey Bay Aquarium Research Institute, Watsonville, CA, United States
 
Evidence of left-lateral active motion at the North America-Caribbean plate boundary
Sylvie D Leroy1, Nadine Ellouz2, Jordane Corbeau1, Frederique Rolandone1, B F Mercier De Lepinay3, Bertrand Meyer1, Roberte Momplaisir4, Jose-Luis Granja5, Anne Battani2, E B Burov1, Valerie Clouard6, Remy Deschamps2, Christian Gorini1, Youri Hamon2, Laetitia LE Pourhiet1, Nicolas Loget1, Francis Lucazeau7, Daniel Pillot2, Jeffrey Poort1, Kevin Tankoo8, Jose Luis Cuevas9, JoseFernando Alcaide9, Claude Jean Poix10, Serge Mitton11, Yamil Rodriguez12, Julien Schmitz2 and Alfonso Munoz Martin5, (1)Univ Paris 06 CNRS UMR7193, Sorbonne Univ. ISTEP, Paris, France, (2)IFP Energies nouvelles, Rueil-Malmaison Cedex, France, (3)GeoAzur, University of Nice-Sophia Antipolis, Valbonne, France, (4)UEH Haiti, Port-au-Prince, Haiti, (5)Complutense University of Madrid, Madrid, Spain, (6)Institut de Physique du Globe de Paris, Observatoire Volcanologique et Sismologique de la Martinique, Paris, France, (7)Institut de Physique du Globe, Paris, France, (8)UWI Mona Campus, Geography & Geology, Kingston, Jamaica, (9)CENAIS, Santiago de Cuba, Cuba, (10)Bureau des Mines Energie, Port-au-Prince, Haiti, (11)SEMANAH, PORT-AU-PRINCE, Haiti, (12)ANAMAR, Santo Domingo, Dominican Republic
 
Subsurface architecture of the Currituck submarine landslide complex: New insights from high-resolution MCS data
Jenna C Hill1, Daniel S Brothers2, Uri S Ten Brink3, Bradley Craig1, Jason D Chaytor3 and Claudia H Flores3, (1)Coastal Carolina University, Conway, SC, United States, (2)Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, CA, United States, (3)US Geological Survey, Woods Hole, MA, United States
 
Seismicity and Attenuation of the Continental Margin Off New York and Southern/ New England from OBS Data
Claudia H Flores1, Uri S Ten Brink1, Jeffrey Joseph McGuire2 and John A Collins2, (1)US Geological Survey, Woods Hole, MA, United States, (2)Woods Hole Oceanographic Ins, Geology and Geophysics, Woods Hole, MA, United States
 
Tsunamis Triggered by Submarine Landslides in the NE Atlantic: Evidences of Mass Failures and Numerical Modeling
Rachid Omira1,2, Inês Ramalho1,2, Maria Ana Baptista1,2, Jorge Miguel A Miranda1, Luis Batista1 and Pedro Terrinha1, (1)Instituto Português do Mar e da Atmosfera, Lisboa, Portugal, (2)Universidade de Lisboa, Lisbon, Portugal
 
Assessing Subaqueous Mudflow Hazard on the Mississippi River Delta Front, Part 1: A Historical Perspective on Mississippi River Delta Front Sedimentation
Jillian M Maloney1,2, Samuel J Bentley1,2, Jeffrey Obelcz2,3, Kehui Xu2,3, Michael D Miner4, Ioannis Y Georgiou5, Kevin Hanegan5 and Gregory Keller1,2, (1)Louisiana State University, Department of Geology and Geophysics, Baton Rouge, LA, United States, (2)Coastal Studies Institute, Baton Rouge, LA, United States, (3)Louisiana State University, Department of Oceanography and Coastal Sciences, Baton Rouge, LA, United States, (4)U.S. Department of Interior, Bureau of Ocean Energy Management, New Orleans, LA, United States, (5)University of New Orleans, New Orleans, LA, United States
 
Assessing subaqueous mudslide hazard on the Mississippi River delta front, Part 2: Insights revealed through high-resolution geophysical surveying
Jeffrey Obelcz1,2, Kehui Xu1,2, Samuel J Bentley1,3, Ioannis Y Georgiou4, Jillian M Maloney1,3, Michael D Miner5, Kevin Hanegan4 and Gregory Keller1,3, (1)Coastal Studies Institute, Baton Rouge, LA, United States, (2)Louisiana State University, Department of Oceanography and Coastal Sciences, Baton Rouge, LA, United States, (3)Louisiana State University, Department of Geology and Geophysics, Baton Rouge, LA, United States, (4)University of New Orleans, Department of Earth and Environmental Sciences, New Orleans, LA, United States, (5)U.S. Department of Interior, Bureau of Ocean Energy Management, New Orleans, LA, United States
 
Preliminary Source Characterization and Tsunami Modeling of Submarine Landslides along the Yucatan Shelf/Campeche Escarpment, southern Gulf of Mexico
Jason D Chaytor1, Eric L Geist2, Charles K Paull3, David W Caress3, Roberto Gwiazda4, Jaime Urrutia Fucugauchi5 and Mario Rebolledo-Vieyra6, (1)USGS, Woods Hole, MA, United States, (2)USGS Pacific Coastal and Marine Science Center, Menlo Park, CA, United States, (3)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (4)Monterey Bay Aquarium Research Institute, Watsonville, CA, United States, (5)Universidad Nacional Autonoma de Mexico, Mexico City, Mexico, (6)Centro de Investigación Científica de Yucatán, Merida, Mexico
 
Temporal and Spatial Characterization of Macondo 252 Signatures in Gulf of Mexico Shelf and Slope Sediments: Evidence for Weathering, Biodegradation, and Transport
Olivia Paige Woodruff1, Kevin M Yeager2, Terry Wade3, Patrick Louchouarn4, Simon Bonner5 and Matthew H Rutledge5, (1)Pioneer Natural Resources (PXD), Irving, TX, United States, (2)University of Kentucky, Department of Earth and Environmental Sciences, Lexington, KY, United States, (3)Texas A & M University, Geochemical and Environmental Research Group (GERG), College Station, TX, United States, (4)Texas A&M-Galveston Bldg 3029, Marine Sciences, Galveston, TX, United States, (5)University of Kentucky, Department of Statistics, Lexington, KY, United States
 
On the Deepwater Horizon drop size distributions
Thomas B Ryerson1, Elliot L Atlas2, Donald Ray Blake3, Joost A De Gouw4, Carsten Warneke5, Jeff Peischl6, Charles A Brock4 and Stuart A McKeen7, (1)NOAA Chemical Sciences Divisio, Boulder, CO, United States, (2)University Miami, Miami, FL, United States, (3)University of California Irvine, Irvine, CA, United States, (4)NOAA Earth System Research Lab, Boulder, CO, United States, (5)NOAA Boulder, Boulder, CO, United States, (6)NOAA ESRL Chemical Sciences Division, Boulder, CO, United States, Boulder, CO, United States, (7)NOAA/ESRL, Boulder, CO, United States
 
Evidence That the Deepwater Horizon Oil Spill Caused Changes in Seasonal Mean Trace Metal Concentrations in Bottom Sediment Retrieved from the Eastern Outer Continental Shelf (OCS), Gulf of Mexico
David A Steffy, Alfred Nichols and Joe Morgan, Jacksonville State University - JSU, Physical and Earth Sciences, Jacksonville, AL, United States
 
Giant Mass Transport Deposits of the Caribbean Margin and their Tsunamigenic Potential, Offshore Northern Colombia
Stephen Leslie, Paul Mann and Luis Carlos Carvajal, University of Houston, Houston, TX, United States
 
An Inventory of Underwater Landslides in Lake Baikal Suggests a Strong Link with Gas Hydrates
Marc A O De Batist1, Lieven Naudts2, Robbert Casier1, Oleg Khlystov3, Andrey Khabuev3, Hirotsugu Minami4, Mikhail Grachev3 and Hitoshi Shoji4, (1)Ghent University, Renard Centre of Marine Geology, Ghent, Belgium, (2)MUMM, Ostend, Belgium, (3)Limnological Institute SB RAS, Irkutsk, Russia, (4)Kitami Institute of Technology, Kitami, Japan
 
Submarine landslide hazard off Northeastern Taiwan
Chi-Lo Huang, Shu-Kun Hsu, Ching-hui Tsai, Wen-Bin Doo and Shiao-Shan Lin, NCU National Central University of Taiwan, Jhongli, Taiwan
 
Tsunami Source Identification on the 1867 Tsunami Event Based on the Impact Intensity
Tso-Ren Wu, NCU National Central University of Taiwan, Graduate Institute of Hydrological and Oceanic Sciences, Jhongli, Taiwan
 
Geotechnical Properties of Submarine Sediments from Submarine Landslides on the Eastern Australian Continental Margin and Implications for Slide Initiation
Samantha L Clarke1, Thomas Hubble1 and David Airey2, (1)Geocoastal Research Group, University of Sydney, Sydney, Australia, (2)School of Civil Engineering, University of Sydney, Sydney, Australia
 
Over Three years of Monitoring 129I spread in Pacific Ocean After the 2011 Fukushima Daiichi Nuclear Power Plant Accident
Ching-Chih Chang1, George Burr1, A J Timothy Jull1, Antra Priyadarshi2, Mark H Thiemens2, Dana Biddulph1 and Joellen L Russell1, (1)University of Arizona, Tucson, AZ, United States, (2)University of California San Diego, La Jolla, CA, United States
 
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