Numerical modeling of crustal block-and-fault dynamics, earthquakes and slip rates in the Tibet-Himalayan region

Barazangi, 1982, Velocities and propagation characteristics of Pn and Sn beneath the Himalayan arc and Tibetan plateau: possible evidence for underthrusting of Indian continental lithosphere beneath Tibet, Geology, 10, 179, 10.1130/0091-7613(1982)10<179:VAPCOP>2.0.CO;2 Hirn, 1984, Lhasa block and bordering sutures — a continuation of a 500-km Moho traverse through, Nature, 307, 25, 10.1038/307025a0 Le Pichon, 1992, Kinematics, topography, shortening, and extrusion in the India–Eurasia collision, Tectonics, 11, 1085, 10.1029/92TC01566 Nelson, 1996, Partially molten middle crust beneath southern Tibet: synthesis of project INDEPTH results, Science, 274, 1684, 10.1126/science.274.5293.1684 Molnar, 1978, Active tectonics of Tibet, J. Geophys. Res., 83, 5361, 10.1029/JB083iB11p05361 Tapponnier, 1981, Mesozoic ophiolites, sutures, and large-scale tectonic movements in Afghanistan, Earth Planet. Sci. Lett., 52, 355, 10.1016/0012-821X(81)90189-8 Armijo, 1986, Quaternary extension in Southern Tibet: field observations and tectonic implications, J. Geophys. Res., 91, 13803, 10.1029/JB091iB14p13803 Armijo, 1989, Late Cenozoic right lateral strike-slip faulting in southern Tibet, J. Geophys. Res., 94, 2787, 10.1029/JB094iB03p02787 Peltzer, 1988, Formation and evolution of strike slip faults, rifts, and basins during the India–Asia collision: an experimental approach, J. Geophys. Res., 93, 15,085, 10.1029/JB093iB12p15085 Avouac, 1993, Kinematic model of active deformation in central-Asia, Geophys. Res. Lett., 20, 895, 10.1029/93GL00128 Fielding, 1994, How flat is Tibet?, Geology, 22, 163, 10.1130/0091-7613(1994)022<0163:HFIT>2.3.CO;2 England, 1997, Active deformation of Asia: from kinematics to dynamics, Science, 278, 647, 10.1126/science.278.5338.647 England, 1997, The field of crustal velocity in Asia calculated from Quaternary rates of slip on faults, Geophys. J. Int., 130, 551, 10.1111/j.1365-246X.1997.tb01853.x Houseman, 1996, A lithospheric-thickening model for the Indo-Asian collision, 3 Bird, 1991, Lateral extrusion of lower crust from under high topography, in the isostatic limit, J. Geophys. Res., 96, 10,275, 10.1029/91JB00370 Royden, 1997, Surface deformation and lower crustal flow in eastern Tibet, Science, 276, 788, 10.1126/science.276.5313.788 Clark, 2000, Topographic ooze: building the eastern margin of Tibet by lower crustal flow, Geology, 28, 703, 10.1130/0091-7613(2000)28<703:TOBTEM>2.0.CO;2 Beaumont, 2001, Himalayan tectonics explained by extrusion of a low-viscosity channel coupled to focused surface denudation, Nature, 414, 738, 10.1038/414738a Tapponnier, 1982, Propagating extrusion tectonics in Asia: new insights from simple experiments with plasticine, Geology, 10, 611, 10.1130/0091-7613(1982)10<611:PETIAN>2.0.CO;2 Tapponnier, 2001, Asymmetric, stepwise rise and growth of the Tibet Plateau, Science, 294, 1671, 10.1126/science.105978 Peltzer, 1996, Present-day kinematics of Asia derived from geologic fault rates, J. Geophys. Res., 101, 27,943, 10.1029/96JB02698 McClusky, 2000, Global positioning system constraints on plate kinematics and dynamics in the eastern Mediterranean and Caucasus, J. Geophys. Res., 105, 5695, 10.1029/1996JB900351 Vergnes, 2002, Seismic evidence for stepwise thickening of the crust across the NE Tibetan Plateau, Earth Planet. Sci. Lett., 203, 25, 10.1016/S0012-821X(02)00853-1 Wittlinger, 2004, Teleseismic imaging of subducting lithosphere and Moho offsets beneath western Tibet, Earth Planet Sci. Lett., 221, 117, 10.1016/S0012-821X(03)00723-4 Wittlinger, 1998, Tomographic evidence for localized lithospheric shear along the Altyn Tagh Fault, Science, 282, 74, 10.1126/science.282.5386.74 Wright, 2004, InSAR observations of low slip rates on the major faults of western Tibet, Science, 304, 236, 10.1126/science.1096388 Bendick, 2000, Geodetic evidence for a slip rate in the Altyn Tagh fault system, Nature, 404, 69, 10.1038/35003555 Chen, 2000, GSA measurements from eastern Tibet and their implications for India/Eurasia intracontinental deformation, J. Geophys. Res., 105, 16215, 10.1029/2000JB900092 Shen, 2000, Contemporary crustal deformation in East Asia constrained by Global Positioning System measurements, J. Geophys. Res., 105, 5721, 10.1029/1999JB900391 Banerjee, 2002, Convergence across the northwest Himalayas from GPS measurements, Geophys. Res. Lett., 29, 10.1029/2002GL015184 Jade, 2004, GPS measurements from the Ladakh Himalayas, India: preliminary tests of plate-like or continuous deformation in Tibet, Geol. Soc. Amer. Bull., 116, 1385, 10.1130/B25357.1 Meriaux, 2004, Rapid slip along the central Altyn Tagh Fault: morphochronologic evidence from Cherchen He and Sulamu Tagh, J. Geophys. Res., 109, 10.1029/2003JB002558 Chevalier, 2005, Slip-rape measurements on the Karakorum fault may imply secular variations in fault motion, Science, 307, 411, 10.1126/science.1105466 Peltzer, 1989, Magnitude of Late Quaternary left-lateral displacements along the north edge of Tibet, Science, 246, 1285, 10.1126/science.246.4935.1285 Ge, 1992, Active Altyn Fault Zone Searle, 1998, Transpressional tectonics along the Karakoram fault zone, northern Ladakh: constraints on Tibetan extrusion, vol. 135, 307 Brown, 2002, Slip rates of the Karakorum fault, Ladakh, India, determined using cosmic ray exposure dating of debris flows and moraines, J. Geophys. Res., 107, 10.1029/2000JB000100 Gabrielov, 1990, Block model of earthquake sequence, Phys. Earth Planet. Inter., 61, 18, 10.1016/0031-9201(90)90091-B Soloviev, 2003, Models of dynamics of block-and-fault systems, 71 Panza, 1997, Numerical modeling of block-structure dynamics: application to the Vrancea region, Pure Appl. Geophys., 149, 313, 10.1007/s000240050028 Soloviev, 1999, Modeling of block–structure dynamics: parametric study for Vrancea, Pure Appl. Geophys., 156, 395, 10.1007/s000240050305 Ismail-Zadeh, 1999, Numerical modeling of earthquake flow in the south-eastern Carpathians (Vrancea): effect of a sinking slab, Phys. Earth Planet. Inter., 111, 267, 10.1016/S0031-9201(98)00166-6 Stein, 1999, The role of stress transfer in earthquake occurrence, Nature, 402, 605, 10.1038/45144 Utsu, 1954, A relation between the area of aftershock region and the energy of main shock, J. Seismol. Soc. Jpn., 7, 233 Replumaz, 2003, Reconstruction of the deformed collision zone between Indian and Asia by backward motion of lithospheric blocks, J. Geophys. Res., 108, 10.1029/2001JB000661 Tapponnier, 1977, Active faulting and tectonics in China, J. Geophys. Res., 82, 2905, 10.1029/JB082i020p02905 Tapponnier, 1979, Active faulting and Cenozoic tectonics of the Tien Shan, Mongolie, and Baikal regions, J. Geophys. Res., 84, 3425, 10.1029/JB084iB07p03425 Le Dain, 1984, Active faults and tectonics of Burma and surrounding regions, J. Geophys. Res., 89, 453, 10.1029/JB089iB01p00453 Gaudemer, 1995, Partitioning of crustal slip between linked, active faults in the eastern Qilian Shan, and evidence for a major seismic gap, the “Tianzhu gap”, on the western Haiyuan Fault, Gansu (China), Geophys. J. Int., 120, 599, 10.1111/j.1365-246X.1995.tb01842.x Van Der Woerd, 1998, Holocene left-slip rate determined by cosmogenic surface dating on the Xidatan segment of the Kunlun fault (Qinghai, China), Geology, 26, 695, 10.1130/0091-7613(1998)026<0695:HLSRDB>2.3.CO;2 Van Der Woerd, 2000, Uniform slip-rate along the Kunlun Fault: implications for seismic behaviour and large-scale tectonics, Geophys. Res. Lett., 27, 2353, 10.1029/1999GL011292 Lasserre, 1999, Postglacial left slip rate and past occurrence of M>=8 earthquakes on the western Haiyuan fault, Gansu, China, J. Geophys. Res., 104, 17,633, 10.1029/1998JB900082 Yin, 2000, Mode of Cenozoic east–west extension in Tibet suggesting a common origin of rifts in Asia during the Indo-Asian collision, J. Geophys. Res., 105, 21,745, 10.1029/2000JB900168 Meyer, 1998, Mechanisms of active crustal thickening in Gansu–Qinghai, and oblique, strike-slip controlled, northeastward growth of the Tibet Plateau, Geophys. J. Int., 133, 1, 10.1046/j.1365-246X.1998.00567.x McCaffrey, 1998, Role of oblique convergence in the active deformation of the Himalayas and southern Tibet plateau, Geology, 26, 691, 10.1130/0091-7613(1998)026<0691:ROOCIT>2.3.CO;2 Hauck, 1998, Crustal structure of the Himalayan orogen at ∼90° east longitude from Project INDEPTH deep reflection profiles, Tectonics, 17, 481, 10.1029/98TC01314 Alsdorf, 1998, Crustal deformation of the Lhasa terrane, Tibet plateau, from Project INDEPTH deep seismic reflection profiles, Tectonics, 17, 501, 10.1029/98TC01315 Mazek, 1994, Rift flank uplift in Tibet: evidences for a viscous lower crust, Tectonics, 13, 659, 10.1029/94TC00452 Bilham, 1997, GPS measurements of present-day convergence across the Nepal Himalayas, Nature, 386, 61, 10.1038/386061a0 Abdrakhmatov, 1996, Relatively recent construction of the Tien Shan inferred from GPS measurements of present day crustal deformation rate, Nature, 384, 450, 10.1038/384450a0 Wang, 2001, Present-day crustal deformation in China constrained by Global Positioning System measurements, Science, 294, 574, 10.1126/science.1063647 Burchfiel, 2004, New technology; new geological challenges, GSA Today, 14, 4, 10.1130/1052-5173(2004)014<4:PANNGC>2.0.CO;2 Allegre, 1995, Scaling organization of fracture tectonics (SOFT) and earthquake mechanism, Phys. Earth Planet. Inter., 92, 215, 10.1016/0031-9201(95)03033-0 Wells, 1994, New empirical relationships among magnitude, rupture length, rupture width, rupture area, and surface displacement, Bull. Seismol. Soc. Am., 84, 974 Hudson, 2000, The effect of fluid pressure on wave speeds in a cracked solid, Geophys. J. Int., 143, 302, 10.1046/j.1365-246X.2000.01239.x Tod, 2002, The effects of stress and fluid pressure on the anisotropy of interconnected cracks, Geophys. J. Int., 149, 149, 10.1046/j.1365-246X.2002.01626.x Chopra, 1984, The role of water in the deformation of dunite, J. Geophys. Res., 89, 7861, 10.1029/JB089iB09p07861 Shapiro, 2004, Thinning and flow of Tibetan crust constrained by seismic anisotropy, Science, 305, 233, 10.1126/science.1098276 Ozacar, 2004, Crustal seismic anisotropy in central Tibet: implications for deformational style and flow in the crust, Geophys. Res. Lett., 31, 10.1029/2004GL021096 Press, 1995, Pattern of seismic release in the southern California region, J. Geophys. Res., 100, 6421, 10.1029/95JB00316