Maps and models of seismic and tsunami risk are constructed from a variety of measurements taken in Indonesia, which have the potential to reduce loss of life and infrastructure. The first study uses the multichannel analysis of surface waves (MASW) method to calculate the time-…
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Geophysical signatures of volcano-hosted geothermal systems in Indonesia are compiled and synthesized. Parameters include electrical resistivity, seismicity, downhole logging, and pressure/temperature data; temperature and pressure states of systems are simulated through numeric…
Detailed geophysical investigations and seafloor ground-truthing carried out in 1999 on several seafloor features exhibiting extrusive-type structures, which were previously thought to represent subjacent salt structures, have been conclusively identified as mud volcanoes. These…
Dendrochemistry is a term used to describe the compositional analysis of tree-rings and its application to biomonitoring of the tree's environment. The central hypothesis of this study is that the concentrations of silver and gold in tree-rings in the Mediterranean region record…
Lacustrine sediments filling volcanic craters in the Lake Maninjau, West Sumatra (Indonesia) are archives of past natural geological processes such as flooding, slope failure induced landslides, and volcanic eruptions. These processes might have caused significant environmental …
How quickly huge volumes of magma accumulate and evolve beneath caldera volcanoes and whether they are stored for long periods before eruption are fundamental to understanding the potential for destructive volcanic eruptions, how voluminous magmas differentiate, and how vast tra…
Explosive volcanic eruptions are propelled to the surface by the exsolution of vapour bubbles from magma due to decompression. A long-held view is that the amount of H 2 O dissolved in the magma at depth controls the intensity of an explosive eruption. Growing evidence from stud…
Volcanoes can experience multiple eruption styles throughout their eruptive histories. Among the most complex and most common are eruptions of intermediate explosivity, such as Vulcanian and sub-Plinian eruptions. Vulcanian eruptions are characterized by small-scale, short-lived…