T017
From Trench to Back Arc: Dynamics of the Hikurangi Subduction Zone II Posters

Wednesday, 9 December 2020: 04:00-20:59
Poster
Primary Convener:  Christine J Chesley, Lamont-Doherty Earth Observatory, Palisades, NY, United States
Conveners:  Laura Wallace1,2, Andrew Gase1 and Geoff Kilgour3, (1)University of Texas, Institute for Geophysics, Austin, TX, United States(2)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand(3)GNS Science, Wairakei Research Center, Taupo, New Zealand
Primary Liaison:  Christine J Chesley, Lamont-Doherty Earth Observatory, Palisades, NY, United States
Chairs:  Christine J Chesley, Lamont-Doherty Earth Observatory, Palisades, NY, United States and Andrew Gase, University of Texas, Institute for Geophysics, Austin, TX, United States
OSPA Liaison:  Laura Wallace, University of Texas, Institute for Geophysics, Austin, TX, United States
 
Ocean bottom seismological observation of slow earthquake activity in the northern part of the Hikurangi subduction margin, New Zealand (682045)
Yusuke Yamashita, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan, Kimihiro Mochizuki, University of Tokyo, Earthquake Research Institute, Bunkyo-ku, Japan, Martha K Savage, Victoria Univ Wellington, School of Geography, Environment and Earth Science, Wellington, New Zealand, Emily Warren-Smith, Victoria University of Wellington, Wellington, New Zealand and Laura M Wallace, University of Texas at Austin, Institute for Geophysics, Austin, United States
 
Comparison of Repeating Earthquake Activity during the 2014 and 2019 Gisborne Slow Slip Events and Implications for Seamount Subduction and Fluid Migration at the Northern Hikurangi Subduction Margin, New Zealand (686039)
Heather R Shaddox, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, Susan Y Schwartz, University of California-Santa Cruz, Santa Cruz, CA, United States, Kimihiro Mochizuki, University of Tokyo, Earthquake Research Institute, Bunkyo-ku, Japan and Yusuke Yamashita, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan
 
Monitor Velocity Variations in the Northern Hikurangi Margin in 2014-2015 (714831)
Weiwei Wang1, Martha K Savage2, Alec Yates1, Hubert Jerzy Zal1, Tim A Stern1 and Bill Fry3, (1)Victoria University of Wellington, Wellington, New Zealand, (2)Victoria University of Wellington, School of Geography, Environment and Earth Science, Wellington, New Zealand, (3)GNS Science, Lower Hutt, New Zealand
 
Slow Slip Events at the Hikurangi Subduction Margin, New Zealand, from 2006 to 2017 (751351)
Charles A Williams Jr1, Laura M Wallace1,2, Noel M Bartlow3 and A. John Haines4, (1)GNS Science, Lower Hutt, New Zealand, (2)University of Texas Institute for Geophysics, Austin, TX, United States, (3)University of Kansas, Lawrence, KS, United States, (4)GNS Science, Dunedin, New Zealand
 
Initial Ambient Noise Tomography above a region of Slow-Slip, Hikurangi Margin, New Zealand (691713)
Katrina M Jacobs1, Bill Fry1, Rebecca E Bell2, Stuart A Henrys1, Ake Fagereng3, Lisa McNeill4, Joanna V Morgan2, Mike Warner2, Thomas Luckie5, David A Okaya5, Victoria Lane6 and Debra Daly6, (1)GNS Science, Lower Hutt, New Zealand, (2)Imperial College London, London, United Kingdom, (3)Cardiff University, Cardiff, CF24, United Kingdom, (4)University of Southampton, Southampton, United Kingdom, (5)University of Southern California, Los Angeles, CA, United States, (6)University of Leicester, Leicester, LE1, United Kingdom
 
Spatiotemporal characteristics of repeating earthquakes near Porangahau, Hikurangi Margin, New Zealand (713251)
Olivia Pita-Sllim1, Calum John Chamberlain1 and John Townend2, (1)Victoria University of Wellington, Wellington, New Zealand, (2)Victoria University Wellington, Wellington, New Zealand
 
A new view of interseismic coupling at the Hikurangi subduction zone, New Zealand, utilizing GNSS and InSAR data (722388)
Laura M Wallace1,2, Charles A Williams Jr1, Ian J Hamling1 and Alan John Haines3, (1)GNS Science, Lower Hutt, New Zealand, (2)University of Texas Institute for Geophysics, Austin, TX, United States, (3)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand
 
Water depth dependence of nontidal variations from seafloor pressure in New Zealand (680308)
Tomohiro Inoue1, Yoshihiro Ito2, Laura M Wallace3,4, Yutaka Yoshikawa5, Daisuke Inazu6, Emmanuel Garcia2, Tomoya Muramoto7, Kazuaki Ohta8, Syuichi Suzuki9, Ryota Hino10 and Spahr C Webb11, (1)Kyoto University, Kyoto, Japan, (2)Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan, (3)University of Texas at Austin, Institute for Geophysics, Austin, United States, (4)GNS Science, Lower Hutt, New Zealand, (5)Kyoto University Rigakubu, Kyoto, Japan, (6)Tokyo University of Marine Science and Technology, Tokyo, Japan, (7)National Institute of Advanced Industrial Science and Technology, Tsukuba-Shi, Japan, (8)NIED National Research Institute for Earth Science and Disaster Prevention, Tsukuba, Japan, (9)Tohoku University, Sendai, Japan, (10)Tohoku University, Graduate School of Science, Sendai, Japan, (11)Lamont Doherty Earth Observatory, Palisades, NY, United States
 
Automatic determination of OBS sensor orientation using direct water waves generated by airgun shots: a prelude to seismological analyses, northern Hikurangi subduction margin, New Zealand (677854)
Shukei Ohyanagi1, Ryuta Arai2, Shuichi Kodaira2, Koichiro Obana2, Gou Fujie2, Yojiro Yamamoto2, Kimihiro Mochizuki3, Stuart A Henrys4, Dan Bassett4, Daniel H N Barker4, Richard L Kellett4 and Bill Fry4, (1)Kyoto University, Graduate School of Science, Kyoto, Japan, (2)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (3)University of Tokyo, Earthquake Research Institute, Bunkyo-ku, Japan, (4)GNS Science, Lower Hutt, New Zealand
 
P-wave velocity structure of the northern Hikurangi margin from travel time tomography (750457)
Thomas Luckie1, Andrew Gase2, Katrina Jacobs3, Malcolm Charles Adan White1, Stuart A Henrys4, David A Okaya1, Harm J Van Avendonk5, Nathan L Bangs6, Daniel H N Barker4, Dan Bassett4, Shuichi Kodaira7, Ryuta Arai8, Gou Fujie9 and Yojiro Yamamoto9, (1)University of Southern California, Los Angeles, CA, United States, (2)University of Texas, Institute for Geophysics, Austin, TX, United States, (3)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (4)GNS Science, Lower Hutt, New Zealand, (5)University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, (6)Univ Texas, Institute for Geophysics, Austin, TX, United States, (7)Yokohama National University, Yokohama, Japan, (8)University of Hawaii at Manoa, Honolulu, HI, United States, (9)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan
 
Temporal and spatial changes in full-waveform inversion velocity models along the northern Hikurangi subduction margin (725880)
Laura Frahm1, Richard Gareth Davy1, Rebecca E Bell2, Joanna V Morgan2, Ryuta Arai3, Nathan L Bangs4, Stuart A Henrys5 and Daniel H N Barker5, (1)Imperial College London, Department of Earth Science and Engineering, London, SW7, United Kingdom, (2)Imperial College London, London, United Kingdom, (3)JAMSTEC, Yokohama, Japan, (4)Univ Texas, Institute for Geophysics, Austin, TX, United States, (5)GNS Science, Lower Hutt, New Zealand
 
Full-waveform inversion imaging of the slow slip region at the shallow Hikurangi Subduction Margin reveals complex fault and hydrogeological systems (730720)
Richard Gareth Davy1, Laura Frahm1, Rebecca E Bell2, Joanna V Morgan2, Ryuta Arai3, Nathan L Bangs4, Stuart A Henrys5 and Daniel H N Barker5, (1)Imperial College London, Department of Earth Science and Engineering, London, SW7, United Kingdom, (2)Imperial College London, London, United Kingdom, (3)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (4)Univ Texas, Institute for Geophysics, Austin, TX, United States, (5)GNS Science, Lower Hutt, New Zealand
 
Constraints on paleo-stress magnitude in Hikurangi Margin, New Zealand, at Site U1518, Expedition 375 (712636)
Yoshitaka Hashimoto1, Ryo Nishomori1, Annika Greve2 and Julia Morgan3, (1)Kochi University, Kochi, Japan, (2)Utrecht University, Utrecht, Netherlands, (3)Rice University, Earth and Planetary Sciences, Houston, TX, United States
 
In-situ rock strength of the input materials and prism sediments at the Hikurangi Margin (752520)
Catherine Lloyd, Texas A&M University College Station, College Station, TX, United States, Alexi Allen, Texas A&M University College Station, College Station, United States and Hiroko Kitajima, Texas A&M University, Center for Tectonophysics and the Department of Geology & Geophysics, College Station, TX, United States
 
Image Analysis of Drill Core Samples from the Hikurangi Subduction Margin, New Zealand (747105)
Anthony McIntyre1, Jeron Beard1, Srisharan Shreedharan2 and Hiroko Kitajima3, (1)Texas A&M University College Station, Geology & Geophysics, College Station, TX, United States, (2)Pennsylvania State University Main Campus, University Park, PA, United States, (3)Texas A&M University, Center for Tectonophysics and the Department of Geology & Geophysics, College Station, TX, United States
 
Set up for failure. High sedimentation rates, earthquakes and the Tuaheni Landslide Complex. (686551)
Joshu J Mountjoy1, Gareth James Crutchley2, Jonathan Carey3, Aggeliki Georgiopoulou4, Marta E Torres5, Alan R Orpin1, Martin Crundwell6, David N Petley7, Morgane Brunet8, Benjamin Couvin9, Ingo Andreas Pecher10 and Jannis Kuhlmann11, (1)National Institute of Water and Atmospheric Research, Wellington, New Zealand, (2)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (3)GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, (4)University of Brighton, Brighton, United Kingdom, (5)Oregon State Univ, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (6)GNS Science, Paleontology, Lower Hutt, New Zealand, (7)University of Sheffield, Sheffield, United Kingdom, (8)University of Rennes, Rennes Cedex, France, (9)University College Dublin, Dublin, Ireland, (10)University of Auckland, Auckland, New Zealand, (11)MARUM - University of Bremen, Bremen, Germany
 
Kinematics of Rifting at the Transition from Continental to Seafloor Spreading in the Northern Taupo Volcanic Zone and Bay of Plenty (750836)
Samia Sabir1, Cynthia J Ebinger1, Martha K Savage2 and Jennifer Dawn Eccles3, (1)Tulane University of Louisiana, New Orleans, LA, United States, (2)Victoria Univ Wellington, School of Geography, Environment and Earth Science, Wellington, New Zealand, (3)The University of Auckland, Auckland, New Zealand
 
Key Indicators of Epeirogenic Uplift of the Canterbury Basin, South Island, New Zealand (671231)
Katherine Dvorak, Western Michigan University, Kalamazoo, MI, United States, Michelle A Kominz, Western Michigan Univ, Kalamazoo, MI, United States, Craig Fulthorpe, University of Texas at Austin, Austin, TX, United States and Martin Crundwell, GNS Science, Paleontology, Lower Hutt, New Zealand
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