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SRTM's 'World Tour' |
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| Thunder Down Under: Tweed Volcano, Australia | |||||||||||||||||
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Thunder Down Under: Tweed Volcano, Australia | |||||||||
Australia, the only continent with no current volcanic activity, is home to one of the world's largest extinct volcanoes: Tweed Volcano, shown in this 3-D stereo image pair. Eruptions here ended about 20 million years ago. Twenty million years of erosion have left this landform deeply eroded yet very recognizable as a caldera with a central peak--the erosional stub of the central pipe that carried magma upward to Earth's surface. Credit: NASA/JPL/NGA › Full image and caption |
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| Jet Propulsion Laboratory California Institute of Technology |
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