Crustal structure in the Binchuan Basin of Yunnan constrained from receiver functions on a 2-D seismic dense array
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AbstractThe Binchuan region is located in a seismically active area in northwestern Yunnan, China. The detailed crustal structure is important to understand the tectonic evolution and to assess the seismic hazard in the study area. With a 2-D dense array deployed in this region, we use teleseismic receiver function traditional imaging methods, including the H-kappa and common-conversion-point stacking methods, to derive high-resolution crustal thickness and vP/vS ratio maps. Our results indicate that the crustal thickness increases from similar to 40 km to similar to 46 km in the south-north direction, and the average crustal thickness beneath the Binchuan basin is similar to 42 km. Our results agree with previous results but have higher resolution due to dense interstation spacing.
All Author(s) ListXiaohuan Jiang, Hongfeng Yang, Wei Yang, Weitao Wang
Journal nameEarthquake Science
Volume Number33
Issue Number5-6
PublisherSeismological Society of China
Place of PublicationBeijing
Pages264 - 272
LanguagesEnglish-United States

Last updated on 2021-18-09 at 23:53