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On December 9, 2019, a fatalhydrothermal explosion(also called aphreatic eruption) occurred atWhite Island (Whakaari), a volcanic island 30 miles (48 km) from the north-northeast coast of New Zealand's North Island. Magma happens to sit close to the surface at Whakaari/White Island, and the molten rock constantly degases and heats up the plentiful supply of groundwater. 1st mega-tsunami on record since antiquity was triggered by Tonga Some of the tourists were choosing to leave by helicopter or small plane while others were waiting until the highway reopened. Residents near the coast of the North Island may experience some ash fall and could smell some of the volcanic gases, geophysicist Dr Jessica Johnson said, while a nearby marine reserve could also be affected. Wind can carry small volcanic ash particles great distances. Monitoring and warning for phreatic eruptions are very challenging. Tourists visiting Whakaari/White Island on December 9 last year had no warning of its imminent violent eruption. What is the impact of humans on the temperate deciduous woodland? According to the Smithsonian Institutions Global Volcanism Program, it is highly ebullient, engaging in a variety of eruption styles. But there were people on board who knew that White Island Tours new flagship vessel, Te Puia Whakaari, was still moored back at Te Awapuia Bay, and that its tourists were still on shore. The smaller the particle, the further the wind will carry it. Distribution of earthquakes and volcanoes, Effects of earthquakes and volcanoes on people and the environment, Reducing the impacts of earthquakes and volcanoes, Population and settlement iGCSE Geography, The main causes of a change in population size, A country with a rate of high population growth China, A country which is over-populated Bangladesh, A country which is under-populated Australia, A country with a low rate of population growth or decline Japan. The average global temperature cooled by as much as 3 Celsius (5.4 Fahrenheit), causing extreme weather around the world for a period of three years. 1996 - 2023 National Geographic Society. This eruption took place on Whakaari/White Island, New Zealand, on 27 April 2016, more than three years before the catastrophe in December last year that claimed the lives of 21 people (17 of them Australians) and injured 26 others. The ash buried the cities so completely that it preserved entire buildings, paintings, and artifacts. Through a handheld radio they had to remove their gas masks to speak into it they described injuries to Funnell, their top cover, who relayed the information to Whakatane Hospital. The Kahu helicopters above and the vessel below crossed paths just before 3pm, and Law swooped low, the urgency of his mission and the scale of it confirmed by the sight of prone people being tended to on the back deck. (Find out the most dangerous volcanoes in the U.S., according to geologists. This is sadly not the only example of a recent fatal hydrothermal blast. Hydrothermal explosions in Yellowstonethat form craters greater than 100 meters (328 ft) wide occur on average every 700 years. Who buys lion bones? How to see the Lyrid meteor shower at its peak, The Stone of Destiny has a mysterious past beyond British coronations, Ultimate Italy: 14 ways to see the country in a new light, 6 unforgettable Italy hotels, from Lake Como to Rome, A taste of Rioja, from crispy croquettas to piquillo peppers, Trek through this stunning European wilderness, Land of the lemurs: the race to save Madagascar's sacred forests.