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Volcanic hazards management at Taranaki volcano : information source book

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    Johnston, D.M.; Becker, J.S.; Jolly, G.E.; Potter, S.; Wilson, T.M.; Stewart, C.; Cronin, S. 2011 Volcanic hazards management at Taranaki volcano : information source book. Lower Hutt, N.Z.: GNS Science. GNS Science report 2011/37 102 p.

    Abstract: Taranaki volcano has erupted many times in the past 130,000 years, with the most recent eruption in approx. 1854 A.D. Volcanic hazards from Taranaki include tephra falls, pyroclastic density currents, lava flows, lahars, flooding, debris avalanches, sector collapses, lightning and volcanic gases. During volcanic unrest and eruptions, significant earthquakes and ground deformation could also occur. Volcanic hazards can affect areas both near to the vent and in distant locations, and are potentially dangerous to people, property, the economy and infrastructure. In this report each type of hazard is described, along with its impacts and possible mitigation measures. GNS Science monitors Taranaki for volcanic activity through the GeoNet project and is responsible for setting the Volcanic Alert Level and Aviation Colour Code. Volcanic unrest is one of the most difficult situations that the volcanological and emergency management communities will have to deal with, in part because of the potential for adverse social and economic impacts to escalate unnecessarily, unless the event is managed appropriately. Non-eruptive periods provide the best opportunity to develop an understanding of the unrest phenomena and potential eruptive hazards, and the best time to establish educational programmes, funding systems for enhanced emergency response and volcano surveillance and to develop co-ordinated contingency plans. Relevant research is summarised in themed chapters, and a list of further references and recent Taranaki-related research is included. (auth)

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