Ring of Fire scale 5 on the Volcanic Explosivity Index, while Merapi has erupted more than 80 times. The International Association of Volcanology and Chemistry of the Earth's Interior has named Merapi as a Decade Volcano since 1995 because of its high volcanic activity. Another active volcano is Sinabung which erupted since 2013 until now. New Zealand contains the world's strongest concentration of youthful rhyolitic volcanoes, and voluminous sheets blanket much of the North Island. The earliest historically-dated eruption was at Whakaari/White Island in 1826, followed in 1886 by the country's largest historical eruption at Mount Tarawera. Much of the region north of
Mount Merapi them, Mount Jamurdipo was later renamed Mount Merapi, which means "fire of Rama and Permadi." The Javanese believe that the Earth is not only populated by human beings, but also by spirits ("makhluk halus"). Villages near Merapi believe that one of the palaces (in Javanese "kraton") used by the rulers of the spirit kingdom lies inside Merapi, ruled by Empu Rama and Empu Permadi. This palace is said to be a spiritual counterpart to the Yogyakarta Sultanate, complete with roads, soldiers, princes, vehicles, and domesticated animals. Besides the rulers, the palace is said to also be populated by the spirits