1. Department of Fire and Disaster Prevention, Semyung University, 65 Semyeong-ro, Jecheon-si, Chungcheongbuk-do 27136, Korea.
2. Korea Institute of Geoscience and Mineral Resources (KIGAM), 124 Gwahang-ro, Yuseong-gu Daejeon 34132, Korea.
3. Corresponding author.
4. Department of Geological Sciences, Pusan National University, 2 Busandaehak-ro 63 beon-gil, Kumjeong-gu, Busan 46241, Korea.