An internationally renowned expert volcanologist has told the White Island trial that by his calculations tours to the island presented a one in 20 chance of a "mass casualty event". And in a document shown to the court, New Zealand's volcano monitor GNS Science had observed: "The three Buttle brothers all seemed to understand the need for robust risk management …
CNN — There were families on holiday. All there to see one thing: the uninhabited moonscape of New Zealand’s most active volcano, White Island. “I have always felt that it was too dangerous to allow the daily tour groups that visit the uninhabited island volcano by boat and helicopter.” How New Zealand’s warning system works In the weeks before the …