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Monitoring volcanoes: a review

Research output: Contribution to journalJournal article

Published

Journal publication date2011
JournalKosmos - Problemy nauk biologicznych
Journal number3-4
Volume60
Number of pages16
Pages245-260
Original languageEnglish

Abstract

Minimising risk in volcanic regions involves a number of inter-related studies. The collection of historical data on previous eruptions is the first step, followed by detailed mapping around the volcano. The resulting volcanic hazard map can be used during volcanic crises to minimise casualties. The range of tools currently deployed on volcanoes include seismometers, a range of gas monitoring equipment, ground deformation equipment including differential GPS, borehole strainmeters, thermal imaging cameras, micro-gravimeters, magnetometers, laser scanners, radar scanners and magnetotelluric equipment to create sub-volcanic images based on electrical conductivity. Satellites are also becoming more important, and new techniques involving solid state sensors may have a significant role to play in the future. Case studies confirm the usefulness of each of these techniques, though, even in well-monitored volcanoes, some eruptions take place without detectable precursors. To minimise the possibility of unexpected eruptions in the future will require both increased instrumentation and the application of methodologies such as advanced neural networks and expert solicitation.