Shiqing Xu‎ > ‎

Publications

Peer-reviewed articles
[14] Yamashita, F., E. Fukuyama, S. Xu, K. Mizoguchi, H. Kawakata and S. Takizawa, Rupture preparation process controlled by surface roughness on meter-scale laboratory fault, Tectonophysics  Special Issue "Physics of Earthquake Rupture Propagation", 733193–208doi:10.1016/j.tecto.2018.01.034, 2018.
[13] Fukuyama, E., K. Tsuchida, H. Kawakata, F. Yamashita, K. Mizoguchi and S. XuSpatiotemporal complexity of 2-D rupture nucleation process observed by direct monitoring during large-scale biaxial rock friction experiments, Tectonophysics  Special Issue "Physics of Earthquake Rupture Propagation", 733182–192doi:10.1016/j.tecto.2017.12.023, 2018.
[12] Xu, S., E. Fukuyama, F. Yamashita, K. Mizoguchi, S. Takizawa and H. Kawakata, Strain rate effect on fault slip and rupture evolution: Insight from meter-scale rock friction experiments, Tectonophysics  Special Issue "Physics of Earthquake Rupture Propagation", 733, 209–231, doi:10.1016/j.tecto.2017.11.039, 2018.
[11] Aldam, M., S. Xu, E. A. Brener, Y. Ben-Zion and E. Bouchbinder, Non-monotonicity of the frictional bimaterial effect, J. Geophys. Res., 122(10), 8270–8284, doi:10.1002/2017JB014665, 2017.
[10] Xu, S. and Y. Ben-Zion, Theoretical constraints on dynamic pulverization of fault zone rocks, Geophys. J. Int., 209(1), 282296, doi:10.1093/gji/ggx033, 2017.
[9] Xu, S., E. Fukuyama, H. Yue and J.-P. Ampuero, Simple crack models explain deformation induced by subduction zone megathrust earthquakes, Bull. Seismol. Soc. Am.106(5), 2275–2289, doi:10.1785/0120160079, 2016.
[8] Fukuyama, E., S. Xu, F. Yamashita and K. Mizoguchi, Cohesive zone length of metagabbro at supershear rupture velocity, J. of Seismology – Special Issue "Imaging Earthquakes and Earth Structure Through Waves, Honoring Professor Raul Madariaga", 20(4), 1207–1215,  doi:10.1007/s10950-016-9588-2, 2016.
[7] Yamashita, F., E. Fukuyama, K. Mizoguchi, S. Takizawa, S. Xu and H. Kawakata, Scale dependence of rock friction at high work rateNature528, 254–257, doi:10.1038/nature16138, 2015.
[6] Xu, S., E. Fukuyama, Y. Ben-Zion and J.-P. Ampuero, Dynamic rupture activation of backthrust fault branching, Tectonophysics644–645, 161–183, doi:10.1016/j.tecto.2015.01.011, 2015.
[5] Xu, S., Y. Ben-Zion, J.-P. Ampuero and V. Lyakhovsky, Dynamic ruptures on a frictional interface with off-fault brittle damage: Feedback mechanisms and effects on slip and near-fault motionPure Appl. Geophys., 172, 12431267, doi:10.1007/s00024-014-0923-7, 2015.
[4] Xu, S. and Y. Ben-Zion, Numerical and theoretical analyses of in-plane dynamic rupture on a frictional interface and off-fault yielding patterns at different scales, Geophys. J. Int., 193, 304320, doi:10.1093/gji/ggs105, 2013
[3] Xu, S., Y. Ben-Zion, and J.-P. Ampuero, Properties of inelastic yielding zones generated by in-plane dynamic ruptures: II. Detailed parameter-space study, Geophys. J. Int., 191, 13431360, doi:10.1111/j.1365-246X.2012.05685.x, 2012.
[2] Xu, S., Y. Ben-Zion and J.-P. Ampuero, Properties of inelastic yielding zones generated by in-plane dynamic ruptures: I. Model description and basic results, Geophys. J. Int., 191, 13251342, doi:10.1111/j.1365-246X.2012.05679.x, 2012.
[1] Ben-Zion, Y., T. Rockwell, Z. Shi and S. Xu, Reversed-polarity secondary deformation structures near fault stepovers, J. of Appl. Mech– Special Issue "Honoring Professor James R. Rice", 79(3), 031025, doi:10.1115/1.4006154, 2012.


Non-peer-reviewed
[2] Xu, S., E. Fukuyama, A. Sagy and M.-L. Doan, Preface: Physics of Earthquake Rupture Propagation, Tectonophysics  Special Issue "Physics of Earthquake Rupture Propagation", 73313, doi:10.1016/j.tecto.2018.04.013, 2018.
[1] Xu, S., Interaction between dynamic ruptures and off-fault yielding characterized by different rheologies, Ph.D. thesis, University of Southern California, Los Angeles, CA, USA, 2013.


Submitted 
[S1] 


In preparation 
[P1] Rupture transition from sub-Rayleigh to supershear over meter-scale rocks in the lab
[P2] Transient excitation of supershear ruptures along a heterogeneous fault: insight from laboratory experiments
[P3] A revisit to lab-derived constitutive friction laws: right and wrong
[P4] A new rock damage signature indicating seismic slip
[P5] Rupture complexity observed in the lab reveals different short- and long-term fault behaviors 


Presentations reported in recent meetings (first author only)
Workshop: Frontiers in Studies of Earthquakes and Faults, 2017
Towards probing the true frictional properties from off-fault measurements during laboratory earthquakes, Southern University of Science and Technology, Shenzhen, China, November 27  December 1, 2017.

JpGU-AGU Joint Meeting, 2017
Strain rate effect on rupture nucleation and mainshock propagation speed, Chiba-city, Japan, May 20  25, 2017.
Sequential activation of reverse and normal faulting in the upper plate during the 2011 Tohoku earthquake, Chiba-city, Japan, May 20  25, 2017.

Science of Slow Earthquakes, Joint Group Meeting, 2017
Laboratory investigation of fault motion along a metagabbro-marble interface, Fukuoka, Japan, February 21 – 22, 2017.

American Geophysical Union, Fall Meeting, 2016
Influence of fault surface heterogeneity on apparent frictional strength, slip mode and rupture mode: insights from meter-scale rock friction experiments, San Francisco, December 12 – 16, 2016.

Seismological Society of Japan, Fall Meeting, 2016
Revisiting the slip-weakening friction: probe into the true source properties from off-fault measurements, Nagoya, Japan, October 5 – 7, 2016

Joint Workshop on Slow Earthquakes, 2016
Effect of loading rate on the slow slip phase preceding mainshocks: insight from laboratory friction experiments, Earthquake Research Institute at the University of Tokyo, Tokyo, Japan, September 13 – 15, 2016.

Japan Geoscience Union Meeting, 2016 
Revisiting the slip-weakening friction: probe into the true source properties from off-fault measurements, Chiba-city, Japan, May 22 – 26, 2016.

American Geophysical Union, Fall Meeting, 2015
Brittle asperities and stick-slip motion: insight from friction experiments along a gabbro/marble interface, San Francisco, December 14 – 18, 2015.

Seismological Society of Japan, Fall Meeting, 2015
Brittle asperities and stick-slip motion: insight from friction experiments along a gabbro/marble interface, Kobe, Japan, October 26 – 28, 2015.

9th APEC Cooperation for Earthquake Simulation International Workshop, 2015
Rupture complexity revealed by laboratory friction experiments over meter-scale rocks, Chengdu, China, August 10 – 16, 2015.

Workshop on Numerical Modeling of Earthquake Motions: Waves and Ruptures, 2015
Evolution of rupture style with total fault displacement: insight from meter-scale direct shear experiments, Smolenice Castle near Bratislava, Slovakia, July 5 – 9. 2015.
Laboratory investigation of slip mode along a bimaterial (gabbro/marble) fault interface: preliminary results and implications, Smolenice Castle near Bratislava, Slovakia, July 5 – 9. 2015.

26th International Union of Geodesy and Geophysics, General Assembly, 2015
Evolution of rupture style with total fault displacement: insight from meter-scale direct shear experiments, Prague, Czech Republic, June 22 – July 2, 2015.

Seismological Society of Japan, Fall Meeting, 2014
Evolution of rupture style with accumulation of fault displacement during large-scale biaxial friction experiments, Niigata, Japan, November 24 – 26, 2014.

American Geophysical Union, Fall Meeting, 2013
Fault barrier favors activation of backthrusts near segment ends of megathrust ruptures, San Francisco, December 9 – 13, 2013.
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