Sirombu in West Nias during the 2004 and 2005 earthquakes and tsunamis: A preliminary studyAnatona, Abdul Hakam, Ahmad Muhajir, Hanifa Roja Azizah and Lusia Yus Arimawati NeheE3S Web Conf., 604 (2025) 11001DOI: https://doi.org/10.1051/e3sconf/202560411001