VOLCANO: EGU 2016. Understanding long dormant and seemingly inactive volcanoes: how they can be reactivated? - GMPV5.5/NH2.8
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Dear Colleagues,
We would like to draw your attention to the session Understanding long dormant and seemingly inactive volcanoes: how they can be reactivated? - GMPV5.5/NH2.8- at the EGU General Assembly 2016, held in Vienna (Austria) from 17 - 22 April 2016. (EGU website: http://www.egu2016.eu/)
We invite you to submit an abstract to this session, the abstract submission deadline is: 13 January 2016 13.00 CET.
Colli Albani, Uturuncu, Chiles-Cerro Negro, El Escodido, Ciomadul etc. – these are volcanoes erupted last time more than 10 ka based on our present knowledge, thus they are dormant for a long time. However, there are signs that melt-bearing magma body is still located beneath them and therefore they can be potentially active and erupt in the future. What do we know about the nature of such volcanoes?
In historical times, the most devastating volcanic eruptions belonged to long-dormant, mostly andesitic to dacitic volcanoes. There is growing evidence that volcanoes can be reactivated even after several 10’s kyr. This long repose time and the violent activation of such volcanoes is a major risk for the human population, since the quiet situation could reduce the awareness. Thus, one of the major tasks for modern volcanology is to improve our understanding of how and over what timescales seemingly dormant volcanoes are reactivated. This requires new, integrated methodologies linking geochronological, petrological, geochemical, geophysical, volcano-tectonic, geodetic, experimental and numerical modelling studies.
We therefore invite contributions from different fields of geosciences that help to better understand the nature and duration of magma storage, magma transport and magma recharge in the plumbing of such volcanoes. We seek for contributions that focus particularly on 1) methodologies that can be used to study long-dormant volcanoes; 2) the characterization of the temporal evolution of these volcanoes with special emphasis on the duration of repose times between individual eruptions; 3) integrated mineral-scale studies combining petrologic and geochemical studies with diffusion modelling to constrain pre-eruptive magmatic processes and the timing and duration of reactivation; 4) the determination of the architecture of the magmatic system; 5) the detection of melt-bearing bodies in various crust levels; 6) detection and interpretation of surface deformation patterns; 7) experimental results of magma storage conditions during various evolutionary stages, i.e. during the quiescence period and before the reactivation; 8) numerical modelling of the thermomechanical changes in the magma storage and 9) detailed case studies for such events.
The primary goal of the session is to promote discussion on this class of volcanoes, outline research strategies and emphasize their role in the volcanic hazard assessment.
Convener: Szabolcs Harangi
Co-Conveners: Olivier Bachmann, Maren Kahl
We look forward to seeing you in Vienna,
Szabi, Olivier and MarenVolcano Listserv is a collaborative venture among Arizona State University (ASU), Portland State University (PSU), the Global Volcanism Program (GVP) of the Smithsonian Institution's National Museum of Natural History, and the International Association for Volcanology and Chemistry of the Earth's Interior (IAVCEI).
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