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Tectonic and geological setting of the earthquake hazards in the Changning shale gas development zone, Sichuan Basin, SW China
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HE Dengfa,LU Renqi,HUANG Hanyu,WANG Xiaoshan,JIANG Hua,ZHANG Weikang
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Table 1 Distribution of recorded destructive earthquakes (M≥4.0) in southwest Sichuan before 1970[16].
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| Number | Origin time | Latitude | Longitude | Magnitude | | C1 | 26 BC | 28°48? | 104°36? | 5.5 | | C2 | 1610-02-03 | 28°30? | 104°36? | 5.5 | | C3 | 1892-02-10 | 29°00? | 105°00? | 5.0 | | C4 | 1896-02-14 | 29°12? | 104°54? | 5.8 | | C5 | 1905-11-08 | 29°18? | 104°48? | 5.0 | | C6 | 1954-10-24 | 29°24? | 104°48? | 5.0 | | C7 | 1959-11-13 | 29°00? | 105°00? | 5.0 | | C8 | 1965-04-11 | 29°18? | 104°48? | 4.6 | | C9 | 1967-07-29 | 29°36? | 104°24? | 4.0 |
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