S13E:
Physics of Earthquake Rupture Propagation III

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Session ID#: 17977

Session Description:
Physics of earthquake rupture propagation is a classic problem, on which many studies have been conducted. Due to the upgrade of scientific instruments and methods, now we are able to study earthquake rupture in greater detail in laboratory experiments, in addition to the field observations and numerical simulations. Highlights of recent discoveries include the diverse weakening mechanisms during fault slip, the scale dependence of fault friction and fracture energy, the modulation of fault zone property and surface topography on rupture behavior, the generation of supershear ruptures under heterogeneous conditions, and the non-persistent behaviors of the same fault patch during different earthquakes. In this session, we welcome studies, from friction experiments, seismic/geodetic observations, and numerical modeling, to reflect recent progress in studying the source properties, the detailed rupture process, the involved mechanisms, and the energy budget of earthquakes.
Primary Convener:  Shiqing Xu, Southern University of Science and Technology, Department of Earth and Space Sciences, Shenzhen, China
Conveners:  Eiichi Fukuyama, Kyoto University, Department of Civil and Earth Resources Engineering, Graduate School of Engineering, Kyoto, Japan, Amir Sagy, Geological Survey of Israel, Jerusalem, Israel and Mai Linh Doan, ISTerre Institute of Earth Sciences, Université Grenoble Alpes, Grenoble, France
Chairs:  Eiichi Fukuyama, Kyoto University, Department of Civil and Earth Resources Engineering, Graduate School of Engineering, Kyoto, Japan and Shiqing Xu, Southern University of Science and Technology, Department of Earth and Space Sciences, Shenzhen, China
OSPA Liaison:  Eiichi Fukuyama, Kyoto University, Department of Civil and Earth Resources Engineering, Graduate School of Engineering, Kyoto, Japan
Index Terms:

4314 Mathematical and computer modeling [NATURAL HAZARDS]
7209 Earthquake dynamics [SEISMOLOGY]
8118 Dynamics and mechanics of faulting [TECTONOPHYSICS]
8163 Rheology and friction of fault zones [TECTONOPHYSICS]

Abstracts Submitted to this Session:

Characteristics of strong ground motion generation areas by fully dynamic earthquake cycles (173060)
Percy Galvez, AECOM, Seismology department, Los Angeles, CA, United States, Paul Somerville, AECOM, Seismology department, Los Angeles, United States, Jean-Paul Ampuero, Géoazur - Université Nice Sophia Antipolis, Valbonne, France, Anatoly Petukhin, Geo-Research Institute, Osaka, Japan and Luo Yindi, California Institute of Technology, Seismological Laboratory, Pasadena, CA, United States
Dynamic ruptures on faults of complex geometry: insights from numerical simulations, from large-scale curvature to small-scale fractal roughness (187930)
Thomas Ulrich, Ludwig Maximilian University of Munich, Department of Earth and Environmental Sciences, Munich, Germany and Alice-Agnes Gabriel, Ludwig Maximilians Universitat Munchen, Munich, Germany
Investigation of topographical effects on rupture dynamics and ground motions (122486)
Hanqing Huang, USTC University of Science and Technology of China, Hefei, China, Xiaofei Chen, University of Science and Technology of China, Hefei, China and Zhenguo Zhang, Univ. of Sci. & Tech. of China, Hefei, China
Exploring variations of earthquake moment on patches with heterogeneous strength (162130)
Yen-Yu Lin, CalTech Seismological Laboratory, Pasadena, CA, United States and Nadia Lapusta, California Institute of Technology, Department of Mechanical and Civil Engineering, Pasadena, CA, United States
Earthquake cycles on rate-state faults: how does recurrence interval and its variability depend on fault length? (134994)
Camilla Cattania, Stanford University, Stanford, CA, United States and Paul Segall, Stanford University, Geophysics, Stanford, CA, United States
Incorporation of friction laws valid at seismic slip rates in numerical simulations of tsunamigenic earthquakes (156182)
Shane Murphy, IFREMER, Geosciences Marines, Plouzané, France, Elena Spagnuolo, National Institute of Geophysics and Volcanology, Roma 1, Rome, Italy, Antonio Scala, The University of Naples Federico II, Department of Physics, Naples, Italy, Giulio Di Toro, University of Manchester, Manchester, United Kingdom, Stefano Lorito, Istituto Nazionale Geofisica e Vulcanologia, Roma, Italy, Stefan Bjorklund Nielsen, University of Durham, Department of Earth Sciences, Durham, United Kingdom, Gaetano Festa, The University of Naples Federico II, Naples, Italy, Alessio Piatanesi, Istituto Nazionale di Geofisica e Vulcanologia, Rome, Italy, Fabrizio Romano, National Institute of Geophysics and Volcanology, Rome, Italy and Stefano Aretusini, University of Manchester, Manchester, M13, United Kingdom
Megathrust vs splay fault: rupture path selection in subduction zones (155757)
Iris van Zelst, ETH Swiss Federal Institute of Technology Zurich, Department of Earth Sciences, Zurich, Switzerland, Ylona van Dinther, Utrecht University, Department of Earth Sciences, Utrecht, Netherlands, Alice-Agnes Gabriel, Ludwig Maximilians Universitat Munchen, Munich, Germany and Stephanie Wollherr, Ludwig Maximilians University of Munich, Munich, Germany
Dynamic Modeling of Potential Earthquake Rupture Paths through Cajon Pass, Southern California (184319)
Julian Lozos, California State University Northridge, Northridge, CA, United States, James Francis Dolan, University of Southern California, Department of Earth Sciences, Los Angeles, CA, United States and David Douglas Oglesby, University of California Riverside, Department of Earth and Planetary Sciences, Riverside, CA, United States

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