Paper Title:
Spatial Variations of Seismic B-Values Distribution in China
  Abstract

Seismic frequency-magnitude relationship has been investigated in China, based on the earthquake data in the range of M3.0 to M7.0 during the years 1986-2008, to study the potential of variations of b-values with the depth. According to the results, there is a systematic decrease in b value with increasing depth of earthquakes. At the shallow depth conditions, with more heterogeneous material properties and lower lithosphere stress prevail, rupture initiation is more likely to stop before accumulating into large earthquakes, producing relatively smaller earthquakes and consequently higher b-values. On the contrary, the larger earthquakes are more likely to happen at a greater depth.

  Info
Periodical
Chapter
Chapter 8: Frontiers of Construction Information
Edited by
Dongye Sun, Wen-Pei Sung and Ran Chen
Pages
4819-4822
DOI
10.4028/www.scientific.net/AMM.71-78.4819
Citation
J. Xu, G. Lacidogna, "Spatial Variations of Seismic B-Values Distribution in China", Applied Mechanics and Materials, Vols. 71-78, pp. 4819-4822, 2011
Online since
July 2011
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