Discussions on disaster risk reduction for Padang City against tsunami by the seawallPaulus P. Rahardjo, Caroline Sutandi, Karyadi Kusliansjah, Pele Widjaja, Aflizal Arafianto and Stefanus Diaz AlviMATEC Web Conf., 229 (2018) 01009DOI: https://doi.org/10.1051/matecconf/201822901009