Evidence from Earthquake Data for a Partially Molten Crustal Layer in Southern 
Tibet

Kind, Rainer; Ni, J.; Zhao, W.; Wu, J.; Yuan, Xiaohui; Zhao, L.; Sandvol, E.; Reese, C.; Nabelek, J.; Hearn, T. M.

doi:10.1126/science.274.5293.1692

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Evidence from Earthquake Data for a Partially Molten Crustal Layer in Southern Tibet

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Kind, Rainer
2.4 Seismology, 2.0 Physics of the Earth, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
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Ni, J.
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Zhao, W.
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Wu, J.
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Yuan, Xiaohui
2.4 Seismology, 2.0 Physics of the Earth, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
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Zhao, L.
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Sandvol, E.
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Reese, C.
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Nabelek, J.
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Hearn, T. M.
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Citation

Kind, R., Ni, J., Zhao, W., Wu, J., Yuan, X., Zhao, L., Sandvol, E., Reese, C., Nabelek, J., Hearn, T. M. (1996): Evidence from Earthquake Data for a Partially Molten Crustal Layer in Southern Tibet. - Science, 274, 5293, 1692-1694.
https://doi.org/10.1126/science.274.5293.1692

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_231182

Abstract

Earthquake data collected by the INDEPTH-II Passive-Source Experiment show that there is a substantial south to north variation in the velocity structure of the crust beneath southern Tibet. North of the Zangbo suture, beneath the southern Lhasa block, a midcrustal low-velocity zone is revealed by inversion of receiver functions, Rayleigh-wave phase velocities, and modeling of the radial component of teleseismic P-waveforms. Conversely, to the south beneath the Tethyan Himalaya, no low-velocity zone was observed. The presence of the midcrustal low-velocity zone in the north implies that a partially molten layer is in the middle crust beneath the northern Yadong-Gulu rift and possibly much of southern Tibet.