The 2006 Raoul Island eruption : a review of GNS Science's actions

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Cole, J.W.; Cowan, H.A.; Webb, T.H. 2006 The 2006 Raoul Island eruption : a review of GNS Science's actions. Lower Hutt, N.Z.: GNS Science. GNS Science report 2006/07 35 p.

Abstract: On 17 March 2006 Raoul Island volcano erupted following an earthquake swarm that had commenced on 12 March. A Department of Conservation (DOC) worker, Mark Kearney, was taking measurements in the vicinity of Green Lake at the time and is now missing, presumed dead. At the time Mark Kearney was following GNS Science advice to take measurements in the vicinity of Green Lake on a daily basis so as to detect any signs of volcanic unrest that would precede a magmatic eruption, which could endanger staff on the island and require an evacuation. The purpose of this review is to judge the soundness of scientific advice that was given by GNS Science under the following Terms of Reference: 1. Were the scientific judgements made in the lead-up to the March 2006 Raoul Island eruption soundly based? 2. Were GNS Science’s Wairakei Duty Officer procedures followed? 3. What improvements can be made in light of this experience? (auth)