Time scales of volcanic unrest and dynamics of magma ascent
A good understanding of the time scales of volcanic unrest and the dynamics of magma ascent are critical for the preparedness and mitigation of eruption hazards. Monitoring data may inform us about potential magma movement and transport towards the surface. However, in many occasions there is still ambiguous interpretation about the meaning of unrest (e.g. failed eruptions). Petrological studies can inform of the processes and time scales of magma movement and ascent, and thus allow associating processes with monitoring signals. We propose to investigate several end-member cases of time scales of volcanic unrest and magmatic processes, ranging from a few weeks to a few years; these should reflect different eruption triggers and magmatic processes. We will develop conceptual models to better interpret and anticipate eruptions from end-member subduction-zone volcanoes.
- Earth Observatory of Singapore
- Stephen Riady Geoscience Fund
Yosuke Aoki, Earthquake Research Institute
Eisuke Fujita, National Research Institute for Earth Science and Disaster Prevention (NIED), Japan