Mount Tambora. Landsat 8 satellite imageof Mount Tambora volcano (upper right),Sumbawa Island,Indonesia. The volcano's caldera (brown circle),an area of collapsed land resulting from a volcanic eruption,measures 6 kilometres across and is 800 metres deep. The caldera was formed in 1815 after a huge explosion that ejected massive amounts of ash and sulphur dioxide into the atmosphere. Global cooling caused by the eruption led to 1816 being called 'the year without a summer'. Image obtained by Landsat 8's Operational Land Imager (OLI),in October 2013 | |
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Credit: | Science Photo Library / US Geological Survey |
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