SPIES 2019 was Technically Supported by Prince of Songkla University, Changmai University, Universiti Tenaga Nasional, University of Malaya, Tsinghua University and Curtin University. SPIES 2019 papers have been presented in IOP Conference Series: Earth and Environmental Science (EES) (ISSN: 1755-1315), which have been indexed in EI compendex and Scopus.