Shear-Wave-Splitting-in-Anisotropic-Media Collection

Theory and Modeling

Kruse, J.P., Rümpker, G., Link, F., Duretz, T., Schmeling, H., 2024. Anisotropy and XKS-splitting from geodynamic models of double subduction: Testing the limits of interpretation, Geophysical Journal International, ggae328, https://doi.org/10.1093/gji/ggae328

Chakraborty, M., Rümpker, G., Li, W., Faber, J., Link, F., Srivastava, N., 2024. Feasibility of Deep Learning in Shear Wave Splitting Analysis using Synthetic-Data Training and Waveform Deconvolution, Seismica, 3 (1), https://seismica.library.mcgill.ca/article/view/1124

Rümpker, G., Kaviani, A., Link, F., Reiss, M. C., Komeazi, A., 2023. Testing observables for teleseismic shear-wave splitting inversions: ambiguities of intensities, parameters, and waveforms, Annals of Geophysics, 66, http://doi.org/10.4401/ag-8870

Rümpker, G. & Kendall, J.-M., 2002. A Maslov-propagator seismogram for weakly anisotropic media, Geophysical Journal International, 150, 23–36, https://doi.org/10.1046/j.1365-246X.2002.01679.x

Rümpker, G. & Ryberg T., 2000. New “Fresnel-zone” estimates for shear-wave splitting observations from finite-difference modeling, Geophys. Res. Lett. 27, 2005–2008, https://doi.org/10.1029/2000GL011423

Rümpker, G. & Silver, P.G., 2000. Calculating splitting parameters for plume-type anisotropic structures of the upper mantle, Geophysical Journal International, 143, 507–520, https://doi.org/10.1046/j.1365-246X.2000.00056.x

Rümpker, G., Tommasi, A. and J.-M. Kendall, 1999. Numerical simulations of depth-dependent anisotropy and frequency-dependent wave propagation effects, J. Geophys. Res., 104(B10), 23141–23153, https://doi.org/10.1029/1999JB900203

Rümpker, G. & Silver, P.G., 1998. Apparent shear-wave splitting parameters in the presence of vertically varying anisotropy, Geophysical Journal International, 135 (3), 790–800, https://doi.org/10.1046/j.1365-246X.1998.00660.x

Rümpker, G., Brown, R.J., and Thomson C.J., 1996. Shear-wave propagation in orthorhombic Phenolic: A comparison of numerical and physical modeling, J. Geophys. Res., 101, 27765–27777, https://doi.org/10.1029/96JB02117

Rümpker, G., and Thomson, C.J., 1994. Seismic-waveform effects of conical points in gradually varying anisotropic media, Geophys. J. Int., 118 (3), 759–780, https://doi.org/10.1111/j.1365-246X.1994.tb03998.x

Receiver functions / Crustal anisotropy

Link, F., Rümpker, G., & Kaviani, K., 2020. Simultaneous inversion for crustal thickness and anisotropy by multiphase splitting analysis of receiver functions, Geophysical Journal International, 223 (3), 2009–2026, https://doi.org/10.1093/gji/ggaa435

Latifi, K., Kaviani, A., Rümpker, G., Mahmoodabadi, M., Ghassemi, M. R., & Sadidkhouy, A., 2018. The effect of crustal anisotropy on SKS splitting analysis—synthetic models and real-data observations, Geophysical Journal International, 213 (2), 1426-1447, https://doi.org/10.1093/gji/ggy053

Kaviani, A., and Rümpker, G., 2015. Generalization of the H-κ stacking method to anisotropic media, J. Geophys. Res. Solid Earth, 120, 5135–5153, https://doi.org/10.1002/2014JB011858

Rümpker, G., Kaviani, A., & Latifi, K., 2014. Ps-splitting analysis for multilayered anisotropic media by azimuthal stacking and layer stripping, Geophysical Journal International, 199(1), 146–163, https://doi.org/10.1093/gji/ggu154

Software / Code Description

Link, F., Reiss, M.C., Rümpker, G., 2021. An automatized XKS-splitting procedure for large data sets: Extension package for SplitRacer and application to the USArray, Computers & Geosciences, https://doi.org/10.1016/j.cageo.2021.104961

Reiss M.C., Rümpker, G., 2017. SplitRacer: MATLAB Code and GUI for Semiautomated Analysis and Interpretation of Teleseismic Shear‐Wave Splitting, Seismological Research Letters 2017, 88 (2A), 392–409, https://doi.org/10.1785/0220160191

Source effects

Rössler, D., Krüger, F., Psencik, I. & Rümpker, G., 2008. Comments to "Retrieval of source parameters of an event of the 2000 West Bohemia earthquake swarm assuming an anisotropic crust. Stud. Geophys. Geod. 52, 285–286, https://doi.org/10.1007/s11200-008-0021-3

Rössler, D., Krüger, F., Pšenčík, I. & Rümpker, G., 2007. Retrieval of source parameters of an event of the 2000 West Bohemia earthquake swarm assuming an anisotropic crust, Stud. Geophys. Geod., 51, 231–254, https://doi.org/10.1007/s11200-007-0012-9

Rößler, D., Krüger, F. & Rümpker, G., 2007. Retrieval of moment tensors due to dislocation point sources in anisotropic media using standard techniques, Geophysical Journal International, 169 (1),136–148, https://doi.org/10.1111/j.1365-246X.2006.03243.x

Rößler, D., Rümpker, G., Krüger, F., 2004. Ambiguous Moment Tensors and Radiation Patterns in Anisotropic Media with Applications to the Modeling of Earthquake Mechanisms in W-Bohemia, Studia Geophysica et Geodaetica, 48, 1, 233-250, https://doi.org/10.1023/B:SGEG.0000015594.11070.21

Observations

Africa

Komeazi, A., Kaviani, A., Rümpker, G., 2023. Mantle anisotropy in NW Namibia from XKS splitting: Effects of asthenospheric flow, lithospheric structures, and magmatic underplating, Geophysical Research Letters, 50, e2022GL102119, https://doi.org/10.1029/2022GL102119

Reiss, M.C. , Rümpker, G., Tilmann, F., Yuan, X., Giese, J., Rindraharisaona, E.J., 2016. Seismic anisotropy of the lithosphere and asthenosphere beneath southern Madagascar from teleseismic shear wave splitting analysis and waveform modeling, Journal of Geophysical Research: Solid Earth, 121 (9), 6627-6643, https://doi.org/10.1002/2016JB013020

Homuth, B., Löbl, U., Batte, A.G., Link, K., Kasereka, C.M. & Rümpker, G., 2016. Seismic anisotropy of the lithosphere/asthenosphere system beneath the Rwenzori region of the Albertine Rift. Int. J. Earth Sci. (Geol. Rundsch.) 105, 1681–1692 (2016), https://doi.org/10.1007/s00531-014-1047-0

Batte, A.G., Rümpker, G., Lindenfeld, M., Schumann, A., 2014. Structurally controlled seismic anisotropy above small earthquakes in crustal rocks beneath the Rwenzori region, Albertine Rift, Uganda, Journal of African Earth Sciences, 100, 579-585, https://doi.org/10.1016/j.jafrearsci.2014.08.001

Hammond, J. O. S., Kendall, J.-M., Rümpker, G., Wookey, J., Teanby, N., Joseph, P., Ryberg, T., and Stuart, G., 2005. Upper mantle anisotropy beneath the Seychelles microcontinent, J. Geophys. Res., 110, B11401, https://doi.org/10.1029/2005JB003757

Asia

Kaviani, A., Rümpker, G., Sens-Schönfelder, Ch., Komeazi, A., Shapiro, N., 2024. Toroidal mantle flow beneath the NE termination of the Kuril-Kamchatka subduction zone from seismic anisotropy, Geophysical Journal International, 237 (1), 364–377, https://doi.org/10.1093/gji/ggae047

Europe

Link, F., & Rümpker, G., 2023. Shear-wave splitting reveals layered-anisotropy beneath the European Alps in response to Mediterranean subduction, Journal of Geophysical Research: Solid Earth, 128, e2023JB027192, https://doi.org/10.1029/2023JB027192

Link, F. and Rümpker, G., 2021. Resolving seismic anisotropy in the lithosphere-asthenosphere in the Central/Eastern Alps beneath the dense SWATH-D network, Front. Earth Sci., https://doi.org/10.3389/feart.2021.679887

Walther, W., Plenefisch, T., Rümpker, G., 2014. Automated analysis of SKS splitting to infer upper mantle anisotropy beneath Germany using more than 20 yr of GRSN and GRF data, Geophysical Journal International, 196 (2), 1207–1236, https://doi.org/10.1093/gji/ggt456

Iceland

Bjarnason, I. T., Silver, P. G., Rümpker, G., and Solomon, S. C., 2002. Shear wave splitting across the Iceland hot spot: Results from the ICEMELT experiment, J. Geophys. Res., 107(B12), 2382, https://doi.org/10.1029/2001JB000916.

Middle East

Komeazi, A., Kaviani, A., Rümpker, G., Weidle, C., Meier, T., 2024. Discriminating lithospheric and asthenospheric anisotropy beneath Northern Oman: sharp contrast observed at the Semail Gap Fault Zone, Journal of Geophysical Research: Solid Earth, 129, e2023JB028627, https://doi.org/10.1029/2023JB028627

Kaviani, A., Mahmoodabadi, M., Rümpker, G., Pilia, S., Tatar, M., Nilfouroushan, F., Yamini-Fard, F., Moradi, A., Ali, M. Y., 2021. Mantle-flow diversion beneath the Iranian plateau induced by Zagros’ lithospheric keel, Scientific Reports, 11, 2848, www.nature.com/articles/s41598-021-81541-9

Kaviani, A., Hofstetter, R., Rümpker, G., Weber, M., 2013. Investigation of seismic anisotropy beneath the Dead Sea fault using dense networks of broadband stations, Journal of Geophysical Research, 118, 7, 3476-3491, https://doi.org/10.1002/jgrb.50250

Kaviani, A., Rümpker, G., Weber, M., Asch, G., 2011. Short-scale variations of shear-wave splitting across the Dead Sea basin: Evidence for the offects of sedimentary fill, Geophysical Research Letters, 38, L04308, https://doi.org/10.1029/2010GL046464

Ryberg, T., Rümpker, G., Haberland, C., Stromeyer, D., Weber, M., 2005. Simultaneous inversion of shear wave splitting observations from seismic arrays, Journal of Geophysical Research: Solid Earth, 110 ,B03301, https://doi.org/10.1029/2004JB003303

Rümpker, G., Ryberg, T., Bock, G., Desert Seismology Group, 2003. Boundary-layer mantle flow under the Dead Sea transform fault inferred from seismic anisotropy, Nature, 425, 6957, 497-501, https://doi.org/10.1038/nature01982

South America

Reiss, M.C., Rümpker, G., Wölbern, I., 2018. Large-scale trench-normal mantle flow beneath central South America, Earth and Planetary Science Letters 482, 115-125, https://doi.org/10.1016/j.epsl.2017.11.002

Wölbern, I., Löbl, U., Rümpker, G., 2014. Crustal origin of trench-parallel shear wave fast polarizations in the Central Andes, Earth Planet. Sci. Lett., 392, 230-238, https://doi.org/10.1016/j.epsl.2014.02.032

Deep Mantle

Wookey, J., Kendall, J.-M., Rümpker, G., 2005. Lowermost mantle anisotropy beneath the north Pacific from differential S—ScS splitting, Geophysical Journal International 161, 829-838, https://doi.org/10.1111/j.1365-246X.2005.02623.x

Surface-wave studies

Rindraharisaona, E. J., Tilmann, F., Yuan, X., Dreiling, J., Giese, J., Priestley, K., & Rümpker, G. (2021). Velocity structure and radial anisotropy of the lithosphere in southern Madagascar from surface wave dispersion. Geophysical Journal International, 224(3), 1930–1944. https://doi.org/10.1093/gji/ggaa550

Dreiling, J., Tilmann, F., Yuan, X., Giese, J., Rindraharisaona, E. J., Rümpker, G., & Wysession, M. E. (2018). Crustal radial anisotropy and linkage to geodynamic processes: A study based on seismic ambient noise in southern Madagascar. Journal of Geophysical Research: Solid Earth, 123, 5130–5146. https://doi.org/10.1029/2017JB015273

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