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鈥淯sing monitoring data to improve forecasts of eruptions at Rabaul caldera.鈥�
PhD project title:
Can caldera uplift be used to forecast eruptions at Rabaul caldera, Papua New Guinea?
Project description:
Papua New Guinea has some of the most active volcanoes in the听South West Pacific. This study focusses on Rabaul, a large caldera on the tip of the Gazaelle peninsula in north east New Britain of Papua New Guinea. Within historical times, the volcano has produced simultaneous eruptions, approximately every 50 years (1878, 1937-43, and 1994), from two intra-caldera cones:听Vulcan in the south west,听and Tavurvur in the north east.
This study takes into account the general volcanism, geology听and chemistry of eruptive products from Rabaul, and,听using available field data, focuses on听the relationship between seismic events and uplift during caldera unrest from 1972 until the most recent听eruptions in听1994. This is combined with accessible tomographic data to help identify the deep-to-shallow magmatic feeding system, and to identify听possible structures favourably leading to caldera-wide uplift and eruption. Scientific modelling听of sill and dyke emplacement will also be undertaken to further investigate听the nature of the magmatic feeding system and how magma preferentially escapes to the surface. Together, these findings, along with听pre-and post-eruption data, will be important for forming new hypotheses regarding furture volcanic events.
Resources:
Email:听r.robertson@ucl.ac.uk
Supervisors: Prof. Christopher Kilburn
Related PhD publications:
香港六合彩中特网 Hazard听Centre:
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Contact us:
Director:听Christopher Kilburn
Email: c.kilburn@ucl.ac.uk
Tel: +44 (0) 20 3108 6325 (56325)
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