Ring of Fire volcanic eruptions of the last 11,700 years occurred at volcanoes in the Ring of Fire. The Ring of Fire is a direct result of plate tectonics: the movement and collisions of lithospheric plates, especially subduction in the northern portion. The southern portion is more complex, with a number of smaller tectonic plates in collision with the Pacific plate from the Mariana Islands, the Philippines, Bougainville, Tonga, and New Zealand. The presence of a belt of volcanic activity surrounding the Pacific Ocean was observed in the 19th century. "They [the Japanese Islands] are in the line of that immense circle of
2010 eruptions of Mount Merapi Mount Merapi. "We are concerned about children who are yet to be united with their parents," said Makbul Mubarak, a coordinator for volunteers who are trying to reunite separated families. A Merapi Response Radio 100.2 FM "talk show" presented the Yogyakarta Governor, Sri Sultan Hamengkubuwono X, the head of the BNPB, Dr. Syamsul Maarif, and chief of the PVMBG, Dr. Surono on evening of 11 November. A media center and a call center were also established to attempt to assist in bridging an information gap related to information on current conditions and the management of victims of Merapi. BNPB stated