Structural features related to the volcanic gases in Southern Okinawa Trough

Hsueh Fen Wang1, Shu-Kun Hsu2, Ching-Hui Tsia3, Song-Chuen Chen4 and Mei-Fang Wu1,5, (1)NCU National Central University of Taiwan, Jhongli, Taiwan, (2)National Central University, Department of Earth Sciences, Taoyuan City, Taiwan, (3)National Central University, Center for Environmental Studies, Taoyuan City, Taiwan, (4)Geological Survey and Mining Management Agency, MOEA, Taipei, Taiwan, (5)Chinese Geoscience Union, NCU National Central University of Taiwan, Taipei, Taiwan