Unusual high-heat flux on the surface in the southeastern Korean Peninsula and inferring its origin from P-wave travel-time tomography and a tectonic process associated with the back-arc opening of the East Sea (Sea of Japan) in the Cenozoic era

Sungho Lee1, Jung-Hun Song1, Dabeen Heo2, Junkee Rhie1, Tae-Seob Kang3, Eunseo Choi4, Younghee Kim5, Kwang-Hee Kim6 and Jin-Han Ree7, (1)Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea, (2)Pukyong National University, Division of Earth Environmental System Science, Busan, South Korea, (3)Pukyong National University, Division of Earth Environmental System Science, Busan, Korea, Republic of (South), (4)University of Memphis, Memphis, TN, United States, (5)Seoul National University, School of Earth and Environmental Sciences, Seoul, Korea, Republic of (South), (6)Pusan National University, Department of Geological Science, Busan, South Korea, (7)Korea University, Department of Earth and Environmental Sciences, Seoul, Korea, Republic of (South)