Thesiss

Porphyry and high sulfidation epithermal ore-forming systems are genetically associated with calc-alkaline volcanism in subduction zones, and where erosion has not been too deep, the volcanic rocks are still commonly exposed in close proximity to the deposits. Most models for po…

Deformation monitoring results are reported here for the period 1988-1998 at Merapi volcano, one of the most active and dangerous volcanoes in Indonesia. Comprehensive databases of various geophysical parameters were concurrently studied and analyzed to 2000, and similar data we…

The semi-continuous activity of Merapi volcano threatens the residents of the villages on its slopes as well as the residents of Yogyakarta, the second largest city in Java. Although Merapi behavior is scarcely predictable, its current eruptive episode lasting since the end of t…