T048
Linking Structure and Dynamics of Subduction Zones Across Scales III Posters

Tuesday, 15 December 2020: 04:00-20:59
Poster
Primary Convener:  Miles Bodmer, University of Oregon, Earth Science, Eugene, OR, United States
Convener:  Brandon VanderBeek, University of Padova, Padova, Italy
Primary Liaison:  Miles Bodmer, University of Oregon, Earth Science, Eugene, OR, United States
Chairs:  Miles Bodmer, University of Oregon, Earth Science, Eugene, OR, United States and Brandon VanderBeek, University of Padova, Padova, Italy
OSPA Liaison:  Brandon VanderBeek, University of Padova, Padova, Italy
 
3D Shear-Velocity Structure across the Indo-Burman Subduction System from Surface-Wave Constraints (712904)
Christopher James William Carchedi1, James B Gaherty2, Rasheed Ajala3, Patricia Persaud3, Eric A Sandvol4, Michael S Steckler1 and Anna E Foster5, (1)Columbia University of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (2)Northern Arizona University, Flagstaff, AZ, United States, (3)Louisiana State University, Department of Geology and Geophysics, Baton Rouge, LA, United States, (4)University of Missouri , Columbia, Columbia, MO, United States, (5)Yachay Tech University, School of Earth Sciences, Energy and Environment, Urcuqui, Ecuador
 
Analysis of the Aftershocks of the Mw 6.7 19 January 2019 Coquimbo-La Serena Earthquake: Implications for Wedge Dynamics and Intraplate Deformation (678090)
Diana Comte1, Marcelo Farías2, Daniela Teresa Calle Gardella1, Andrea Paz Navarro-Aránguiz2, Steven W Roecker3 and Andreas Rietbrock4, (1)AMTC-FCFM Universidad de Chile, Santiago, Chile, (2)AMTC-FCFM Department of Geology Universidad de Chile, Santiago, Chile, (3)Rensselaer Polytechnic Inst, Earth & Environmental Sciences, Troy, NY, United States, (4)Karlsruhe Institute of Technology, Karlsruhe, Germany
 
Body Wave Tomography of the Cascadia Subduction Zone and Juan de Fuca Plate System: Identifying Challenges and Solutions for Shore-Crossing Data (704685)
Miles Bodmer1, Douglas R Toomey2, Brandon VanderBeek3, Emilie E E Hooft2 and Joseph S Byrnes4, (1)University of Oregon, Earth Science, Eugene, OR, United States, (2)University of Oregon, Department of Earth Sciences, Eugene, OR, United States, (3)University of Padova, Padova, Italy, (4)University of Oregon, Earth Sciences, Eugene, OR, United States
 
Constraining the Downdip Limit of the Lesser Antilles Seismogenic Zone With Seismicity Relocation (757496)
Jordane Corbeau, Institut de Physique du Globe de Paris, Observatoire Volcanologique et Sismologique de la Martinique, Paris, France, Anne-Sophie Firmin, Institut de Physique du Globe de Paris, Paris, France and Anne-Marie Lejeune, OVSM-IPGP, Saint-Pierre, Martinique
 
Crustal Velocity Structure of Eastern Bangladesh from Ambient Noise Tomography (755845)
Harvey Reascos Recalde, Yachay Tech University, Imbabura, Ecuador, Anna E Foster, Yachay Tech University, School of Earth Sciences, Energy and Environment, Urcuqui, Ecuador, Rafael V Almeida, Yachay Tech University, School of Earth Sciences, Energy and Environment, Imbabura, Ecuador, Judith Hubbard, Nanyang Technological University, Earth Observatory of Singapore, Singapore, Singapore, Syed Idros Bin Abdul Rahman, Earth Observatory of Singapore, Singapore, Singapore and Syed Humayun Akhter, University of Dhaka, Department of Geology, Dhaka, Bangladesh
 
Detailed mapping of the plate interface in the Nankai Trough subduction zone off Kii channel revealed by densely obtained seismic reflection profiles (767494)
Yasuyuki Nakamura1, Shuichi Kodaira1, Kazuya Shiraishi1, Tetsuo No1, Yuka Kaiho1, Gou Fujie1, Koichiro Obana1, Seiichi Miura1, Ayako Nakanishi1 and Gaku Kimura2, (1)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (2)Tokyo University of Marine Science and Technology, Tokyo, Japan
 
Detailed seismic reflection profiles in the Nankai subduction zone with multiple splay faults, southwestern offshore of the Kii Peninsula, Japan (727893)
Kazuya Shiraishi1, Yasuyuki Nakamura1, Gou Fujie1, Gaku Kimura2, Tetsuo No1, Yuka Kaiho1, Seiichi Miura1 and Shuichi Kodaira1, (1)Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan, (2)Tokyo University of Marine Science and Technology, Tokyo, Japan
 
Estimation of the slab position beneath northwestern South America from receiver function analysis (731580)
Manuel José Mojica1, Esteban Poveda2 and Jean Baptiste Tary1, (1)Universidad de los Andes, Bogotá, Colombia, (2)Servicio Geológico Colombiano, Bogotá, Colombia
 
High-resolution receiver function imaging of the subduction zone across Southcentral Alaska (728198)
Michael Everett Mann1, Geoffrey A Abers1, Kiara Andrea Andrea Daly1 and Douglas H Christensen2, (1)Cornell University, Ithaca, NY, United States, (2)Univ Alaska Fairbanks, Fairbanks, AK, United States
 
Imaging Oceanic Upper Mantle of the Alaskan-Aleutian Subduction Zone from Pn Tomography: Initial Insights Into the Regional Slab Structure and State of Hydration (705528)
Douglas R Toomey, University of Oregon, Department of Earth Sciences, Eugene, OR, United States, David Small, University of Oregon, Eugene, OR, United States and Brandon VanderBeek, University of Padova, Padova, Italy
 
Lateral Change of In-plate Stress and Outer-rise Seismicity along the Southern Mariana Trench (773144)
Jiangyang Zhang, Shenzhen Research Institute, The Chinese University of Hong Kong Shenzhen (China), Shenzhen, China, Hongfeng Yang, Georgia Institute of Technology, Atlanta, GA, United States, Han Chen, The Chinese University of Hong Kong, Earth System Science Programme, Faculty of Science, Hong Kong, China, Fan Zhang, Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Guangzhou, China, Gaohua Zhu, Chinese University of Hong Kong, Earth System Science Programme, Hong Kong 999077, China and Zhen Sun, South China Sea Inst of Oceano, Guangzhou, China
 
Maintenance of a seismic network in Bangladesh and an initial earthquake catalog (686014)
Syed Idros Bin Abdul Rahman1, Judith Hubbard2, Shengji Wei2, Dannie Hidayat1, Syed Humayun Akhter3, Rafael V Almeida4 and Anna E Foster5, (1)Earth Observatory of Singapore, Singapore, Singapore, (2)Nanyang Technological University, Earth Observatory of Singapore, Singapore, Singapore, (3)University of Dhaka, Department of Geology, Dhaka, Bangladesh, (4)Yachay Tech University, School of Earth Sciences, Energy and Environment, Imbabura, Ecuador, (5)Yachay Tech University, School of Earth Sciences, Energy and Environment, Urcuqui, Ecuador
 
MAPPING AND MODELING OF AN 18-KM-DEEP, SUBDUCTION-RELATED FLEXURAL BASIN WEST OF THE STRAIT OF GIBRALTAR (763761)
Paul Mann1, Weston Raymond Charles2 and Brook Runyon1, (1)University of Houston, Department of Earth and Atmospheric Sciences, Houston, TX, United States, (2)University of Houston, Houston, TX, United States
 
Numerical models of Andean orogeny: Deformation induced by slab dynamics (717856)
Zhihong Pan, University of Alberta, Edmonton, AB, Canada and Claire A Currie, University of Alberta, Department of Physics, Edmonton, AB, Canada
 
Plate bending and in-plate stress variation caused by seamount subduction (773474)
Fan Zhang, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China and Jiangyang Zhang, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
 
Seismic Imaging of the Double Seismic Zone in the subducting slab in Northern Chile (727201)
Lu Pan1,2, Haijiang Zhang1,2, Gao Lei1,2 and Diana Comte3, (1)School of Earth and Space Sciences, University of Science and Technology of China, Hefei, China, (2)Laboratory of Seismology and Physics of Earth’s Interior, University of Science and Technology of China, Hefei, China, (3)AMTC-FCFM Universidad de Chile, Santiago, Chile
 
State of the Art of Subduction Wedges and Tectonic Erosion Based on Seismological Investigations of the Chilean Margin (675657)
Andrea Paz Navarro-Aránguiz1, Diana Comte1, Daniela Teresa Calle Gardella1, Marcelo Farías2, Steven W Roecker3 and Andreas Rietbrock4, (1)AMTC-FCFM Universidad de Chile, Santiago, Chile, (2)AMTC-FCFM Universidad de Chile, Department of Geology, Santiago, Chile, (3)Rensselaer Polytechnic Inst, Earth & Environmental Sciences, Troy, NY, United States, (4)Karlsruhe Institute of Technology, Karlsruhe, Germany
 
Stratigraphic and radiometric evidence for the Oligocene emergence of the southern Lesser Antilles Volcanic Arc between the Grenada and Tobago Basins (753036)
Jacob Miller and Paul Mann, University of Houston, Department of Earth and Atmospheric Sciences, Houston, TX, United States
 
Teleseismic Converted Waves Image of the Indo-Burma Subduction System Across the Bangladesh-India-Myanmar (BIMA) Array (687163)
Rasheed Ajala1, Patricia Persaud1, Michael S Steckler2, Eric A Sandvol3, Md Mohimanul Islam4, James B Gaherty5, Oo Than6, Kyaw Moe Oo6, Syed Humayun Akhter7 and James Ni8, (1)Louisiana State University, Department of Geology and Geophysics, Baton Rouge, LA, United States, (2)Columbia University, Palisades, NY, United States, (3)University of Missouri , Columbia, Columbia, MO, United States, (4)University of Missouri Columbia, Department of Geological Sciences, Columbia, MO, United States, (5)Northern Arizona University, Flagstaff, AZ, United States, (6)Department of Meteorology and Hydrology, Naypyidaw, Myanmar, (7)University of Dhaka, Department of Geology, Dhaka, Bangladesh, (8)New Mexico State University Main Campus, Las Cruces, NM, United States
 
Testing the continuity of Lesser Antilles forearc provinces based on gravity modeling and a compilation of radiometric age dates (762564)
Benjamin Miller and Paul Mann, University of Houston, Department of Earth and Atmospheric Sciences, Houston, TX, United States
 
The Indo-Burma Detachment Geometry Constrained by an Updated Vertical and Horizontal GPS Velocity Field in Bangladesh (730997)
Bar Oryan, Columbia University, Palisades, NY, United States, Michael S Steckler, Columbia University of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Dhiman Ranjan Mondal, MIT Haystack Observatory, Westford, MA, United States, Syed Humayun Akhter, University of Dhaka, Dhaka, Bangladesh, Sanju Singha, University of Dhaka, Geology Department, Dhaka, Bangladesh, Céline Grall, LIENSs, La Rochelle University, La Rochelle, France and Eric Ostrom Lindsey, Earth Observatory of Singapore, Nanyang Technological University, Singapore, Singapore; University of New Mexico, Department of Earth and Planetary Sciences, Albuquerque, NM, United States
 
The variations in source parameters of deep similar earthquakes (687351)
Ayako Tsuchiyama and Junichi Nakajima, Tokyo Institute of Technology, Tokyo, Japan
 
Tohoku megathrust earthquakes and structural heterogeneity revealed by S-net and Hi-net data (722680)
Dapeng Zhao, Yuanyuan Hua and Genti Toyokuni, Tohoku University, Sendai, Japan
 
Upper mantle seismic anisotropy of Indo-Burma Subduction Zone from Shear Wave Splitting and Shear Wave Splitting Tomography (736171)
Md Mohimanul Islam1, Kyaw Moe Oo2, Oo Than2, Patricia Persaud3, Yin Myo MIN Htwe4, Pa Pa Tun4, Rasheed Ajala5, Michael S Steckler6, James B Gaherty7 and Eric A Sandvol8, (1)University of Missouri Columbia, Department of Geological Sciences, Columbia, MO, United States, (2)Department of Meteorology and Hydrology, Naypyidaw, Myanmar, (3)California Institute of Technology, Pasadena, CA, United States, (4)Department of Meteorology and Hydrology, Nay Pyi Taw, Myanmar, (5)Louisiana State University, Department of Geology and Geophysics, Baton Rouge, LA, United States, (6)Columbia University of New York, Lamont-Doherty Earth Observatory, Palisades, NY, United States, (7)Northern Arizona University, Flagstaff, AZ, United States, (8)University of Missouri , Columbia, Columbia, MO, United States
 
Upper-mantle Structure beneath Myanmar by Teleseismic Body-wave Finite-frequency Tomography (775243)
Shun Yang1, Mingming Jiang2, Yumei He2, Xiaofeng Liang3, Myo Thant4 and Kyaing Sein5, (1)University of Chinese Academy of Sciences, Beijing, China, (2)Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China, (3)Institute of Geology and Geophysics, CAS, Beijing, China, (4)Myanmar Earthquake Committee, Yangon, Myanmar, (5)Myanmar Geosciences Society, Yangon, Myanmar
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