UIR PRESS p-ISSN 2503-216X e-ISSN 2541-5794 Journal of J EET Geoscience - Engineering - Environment - and Technology Journal of J EET Geoscience - Engineering - Environment - and Technology ISSNE-ISSN JOURNAL OF GEOSCIENCE, ENGINEERING, ENVIRONMENT AND TECHNOLOGY Volume 7. No 1. March 2022 ISSN (print) : 2503-216x ISSN (online): 2541-5794 UIR PRESS JGEET P-ISSN 2503-2161 E-ISSN 2541-5794 (Journal of Geoscience, Engineering, Environment, and Technology) Publish periodically four times annually Scope of Journal Paper covering the following aspects of Geology, Earth and Planetary Science, Engineering, Environtment, and Technology Address of Secretariat and Paper Submitting Jl. Kaharuddin Nasution No 113 Marpoyan Damai Pekanbaru, Riau 28284 Phone.(0761) 72126 , Fax. 0761-674834 e-mail: jgeet@journal.uir.ac.id; web: http://journal.uir.ac.id/index.php/JGEET EXECUTIVE EDITORIAL ADVISOR Prof. Josaphat Tetuko Sri Sumantyo, Ph.D (Japan) Prof. Mega F. Rosana, Ph.D (Indonesia) Prof. Dr. Abdul Rahim Samsudin (Malaysia) Prof. Dr. H. Detri Karya, S.E, M.A (Indonesia) Prof. Dr. Ir. H. Sugeng Wiyono, MMT. EDITOR IN CHIEF Dr. Eng. Husnul Kausarian B.Sc.(Hons), M.Sc. (Indonesia) MANAGER EDITOR Adi Suryadi B.Sc (Hons) M.Sc.(Indonesia) Tiggi Choanji S.T, M.T (Indonesia) EDITORIAL MEMBER Dr. Eng. Takahiro Miyazaki (Japan) Dr. Evizal Abdul Kadir S.T., M.Eng (Indonesia) Dr. Luong Nguyen (Vietnam) Dr. Mursyidah, M.Sc. (Indonesia) Dr. Anas Puri S.T, M.T (Indonesia) Dr. Eng. Muslim, M.T (Indonesia) Dr. Emi Sukiyah, ST., MT (Indonesia) Dr. Sapari Dwi Hadian, MT (Indonesia) Dr. Vijaya Isnaniawardhani, S.T, M.T (Indonesia) Good Fried Panggabean, S.T, M.T (Indonesia) Katia Nagamine Urata, M.Eng (Brazil) Mirza Muhammad Waqar, M.Sc (Pakistan) Kageaki Inoue, M.Eng (Japan) Yuta Izumi, M.Eng (Japan) Joko Widodo, S.Si, M.Si (Indonesia) Yuniarti Yuskar S.T, M.T (Indonesia) Dewandra Bagus EP., B.Sc (Hons) M.Sc. (Indonesia) Adi Suryadi B.Sc. (Hons) M.Sc. (Indonesia) Babag Purbantoro, S.T, M.T (Indonesia) Pakhrur Razi, S.Si, M.Si (Indonesia) Eunice Wanjiku Nduati M.Agr (Kenya) Muhammad Zainuddin Lubis S.Ik M.Si (Indonesia) http://journal.uir.ac.id/index.php/JGEET PREFACE Welcome to the Journal of Geoscience, Engineering, Environment and Technology (JGEET). JGEET is a peer reviewed, open access and online journal in English for the enhancement of research in various areas of science and engineering. The aim of the JGEET is to give a highly readable and valuable addition to the literature which will serve as an indispensable reference tool for years to come Now, we’re publishing new volume 07 No 01 2022. We are pleased the scientist and researcher to publish in this journal. This journal discussed the topic related to the areas of geoscience, engineering, environment, and technology. As the Editor-in-Chief of the JGEET, I take this opportunity to express my sincere gratitude to authors who have chosen JGEET to disseminate their research. Further, I would like to thank executive editorial advisor, journal manager, editorial member and other supporting staff for the success of this Journal. We are more than happy to receive contributions for our next issue from academicians, researchers, scholars and practitioners to ensure the consistency and the success of the Journal. Thank you very much. Editor-in-Chief LIST OF CONTENT Clean Water Supply in Tasikmalaya Municipality, Opportunities and Challenges ...................................................................................................................................... 1 Identification of Geothermal System In “Diana” Area, Indonesia Based On Magnetotelluric Data Modelling ................................................................................................ 7 Serpentinization Study On Ultramafic Rock at Morombo Area, Lasolo Islands District, North Konawe Regency, Southeast Sulawesi, Indonesia ........................................ 15 Effects of Corn Stalks Ash as A Substitution Material of Cement Due to the Concrete Strength of Rigid Pavement ...................................................................................... 21 Characteristics of Kedondong Trass and Bobos Trass as Cement Raw Material, Cirebon, West Java, Indonesia ................................................................................................... 27 Rapid Land Cover Change in The South Sumatera Peat Area Associated With 2015 Peat Fires .............................................................................................................................. 34 Page 1