Last Moments Alive on Instagram: "On December 22, 2018, a sudden and deadly tsunami struck communities around Indonesia’s Sunda Strait with no warning. Triggered by an undersea landslide caused by the eruption of Anak Krakatau, the waves slammed into coastal areas of Java and Sumatra around 9:30 p.m., killing at least 437 people and displacing tens of thousands. That night, Indonesian pop-rock band Seventeen was performing at an open-air beach concert for employees of the state power company PLN