As violent as volcanoes can be, though, they're also capable of surprisingly subtle beauty. So here's a look at their (slightly) softer side, characterized by flowing, gurgling lava that lacks the gas-powered pop of more explosive calderas. Several of the videos below were filmed in Hawaii, which is known for the low gas content of its lava, but they also include hotspots like Guatemala and Vanuatu, some of which are less subtle than others.
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