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Prilimary result of temperature distribution and associated thermal stress in crust in Tianshui, China

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Acta Seismologica Sinica

Abstract

The heat flow in crust and the thermal sdtress generated by the flow play a very important role in earthquake occurrence. Different crustal structure has different effect on heat distribution and associated thermal stress. In all of typical seismogenic crustal structure models, including the bulge of Moho surface, the deep-large fault in the mid-lower crust, low-velocity and high-conductive layer in the middle crust, and the typical crustal structure in mid-upper crust, the thermal stress produced by deep heat disturbance may move up to the mid-upper crust. This leads to upper brittle part of crust break and hence, strong earthquakes. This result is constructive in enhancing our understanding of the role of deep heat flow in curst in development of earthquake and its generation, as well as the generation mechanism of the shallow flowing fluid.

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Authors and Affiliations

  1. School of Water Resources and Environment, China University of Geosciences, Beijing, 100083, China

    Liu Yao-wei  (刘耀炜)

  2. Institute of Crustal Dynamics, China Earthquake Administration, Beijing, 100085, China

    Liu Yao-wei  (刘耀炜)

  3. Lanzhou Institute of Seismology, China Earthquake Administration, Lanzhou, 730000, China

    Gao An-tai  (高安泰), Shi Jin  (施 锦) & Su He-jun  (苏鹤军)

  4. Lanzhou Base of Institute of Earthquake Science, China Earthquake Administration, Lanzhou, 730000, China

    Shi Jin  (施 锦)

Authors
  1. Liu Yao-wei  (刘耀炜)
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  2. Gao An-tai  (高安泰)
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  3. Shi Jin  (施 锦)
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  4. Su He-jun  (苏鹤军)
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Corresponding author

Correspondence to Liu Yao-wei  (刘耀炜).

Additional information

Foundation item: National Eleventh Five-year Science and Technology Development Foundation (2006BAC01B02-03-01).

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Liu, Yw., Gao, At., Shi, J. et al. Prilimary result of temperature distribution and associated thermal stress in crust in Tianshui, China. Acta Seismol. Sin. 20, 641–655 (2007). https://doi.org/10.1007/s11589-007-0641-7

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  • DOI: https://doi.org/10.1007/s11589-007-0641-7

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