Sundoro Volcano

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Caldera forming eruption is one of the phenomena caused direct huge damaged of global impact not only for a short time but moreover for long periods. There has been three big caldera-forming eruption in Indonesia within a period of 1000 years BP affected global climate change such as Rinjani (1257), Tambora (1815), and Krakatau (1883). They started with after long dormant periods or low activity periods. One of a candidate for future caldera forming is Sundoro Volcano in Central Java. Reconstruction for the precise eruptive history of Sundoro Volcano needed to interpret representative activity due to its possibility to making caldera-forming in the future. Sundoro Volcano at Central Java (Indonesia), sited 65 km Northwest of Yogjakarta among …show more content…

In the future explosive eruptions will occur and people living surrounding active volcano must be prepared for its consequences. Three big caldera-forming erupted in Indonesia within 1000 years BP affected global climate change such as Rinjani (1257), Tambora (1815), and Krakatau (1883). They located in Sunda Arc from Sunda Strait, West Java, East Java, Bali Island, Lombok Island to Sumba Island. They started with after long dormant periods or low activity periods. Numerous of the previous research investigated caldera-forming formation from the Sunda Arc clarified but its none of them studied the possibility of caldera-forming formation in Central Java. One of candidate for future caldera-forming is Sundoro Volcano (Fig. …show more content…

Sunda Arc is convergence for Indo-Australia and the volcanism of which associated with subduction of Indo-Australian plate beneath Eurasian plate at rate of approximately 6 to 7 cm/year (Hall, R., 2009). The uppermost crust setting surrounding Merapi Volcano evidenced by isotropic and anisotropic anomalies in the uppermost crust from tomogram (Koulakov, 2009). Tomographic expression clarify an inclined low-velocity anomaly associates with the seismicity cluster at the depth 100 km with the active volcanoes on the surface. This anomaly as path of fluids which released from the slab due to phase transitions. These fluids originated from active melting in the mantle segment and in the crust beneath the

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