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Tatun Group
"The Tatun (Datun) volcano group consists predominately of a series of andesitic lava domes in the northernmost part of Taiwan. About 20 volcanoes, the southernmost of which is only 15 km north of the capital city of Taipei, are included in the Tatun group, which was constructed along E-W and NE-SW trending ridges. The highest and youngest volcano is the 1120-m-high Cising (Chisingshan) lava dome. Several magmatic eruptions took place at the Tatun volcano group about 23,000 to 13,000 years ago, and a phreatic eruption assocciated with collapse of the lava dome, possibly closely following lava effusion, took place about 6000 years ago. Hot springs, fumaroles, and solfataras are found over wide areas along a zone parallel to the SW-NE-trending Chinshan fault and extending to the NE coast of Taiwan, and extensive geothermal exploration has occurred at the Daiton geothermal area."  -Smithsonian Volcano Archive
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