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作者 | Chung, Ling-Ho;Cheng, Kai-Chien;Lee, Yuanhsi;Hsueh, Yachun;Lo, Yu-Tsung;Chuang, Ray Y. |
出版日期 | 20230613 |
著作名稱 | The dense gravity data of Liyushan mud volcano in southern Taiwan
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會議名稱 | JTWCD6 |
會議地點 | 日本京都 |
會議日期 | 20230613 |
主辦單位 | 京都大學 |
國際性會議 | Y |
主題 | 地質 |
摘要 | The Liyushan mud volcano, classified as an intermittent one, is located in the coastal plan of Kaohsiung and Pingtung, SW Taiwan. The earliest eruption is recorded in 1722. Although the eruption time, location and scale are not regular, it has erupted at least once a year since 1988, except for 2017 and 2020. In this study, we add densification gravity survey points by Scintrex CG-6 relative gravimeter to improve the incompleteness of original data during 2021-2022, and try to understanding of the underground structure of the Liyushan mud volcano in Wandan. According to the gravity data, three positive gravity anomaly are found, which repesent the Pingtong anticline, the Fengshan anticline and the NE extend of Xiaoliuchiu islet. Moreover, the negative gravity anomaly in Liyushan mud volcano area is not caused by incomplete gravity data, and the result is different with other mud volcano in SW Taiwan. We sugguest the Liyushan mud volcano may be same to Niaosong mud volcano which is related to the Fengshan Fault. |
系統號 | NO000006736 |
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