S-wave velocity structure beneath Changbaishan volcano inferred from receiver function |
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Authors: | Jianping Wu Yuehong Ming Lihua Fang Weilai Wang Institute of Geophysics China Earthquake Administration Beijing China |
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Institution: | Jianping Wu Yuehong Ming Lihua Fang Weilai Wang Institute of Geophysics,China Earthquake Administration,Beijing 100081,China |
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Abstract: | The S wave velocity structure in Changbaishan volcanic region was obtained from teleseismic receiver func-tion modeling. The results show that there exist distinct low velocity layers in crust in volcano area. Beneath WQD station near to the Tianchi caldera the low velocity layer at 8 km depth is 20 km thick with the lowest S-wave velocity about 2.2 km/s. At EDO station located 50 km north of Tianchi caldera,no obvious crustal low velocity layer is detected. In the volcanic re-gion,the thickness of crustal ... |
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Keywords: | Changbaishan volcano seismic velocity structure receiver function |
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