In the morning, we prepared to go to Anak Krakatoa Island. Before, the guide said that we must get up early because of visiting Anak Krakatoa Island in the morning. After preparing the things that we wanted to bring, we continued our trip by some boats. After almost one hour, we arrived on Krakatoa island area. From many source, we know that Anak Krakatau or “Child of Krakatoa:, merged from caldera formed in 1883 and it is the current location of eruptive activity.