Rapidly advancing pahoehoe lava finger. (Photo: Tom Pfeiffer)
More on VolcanoDiscovery:
Ambrym volcano photos
: Ambrym (Vanuatu) is one of the most active volcanoes in the world. Its vast caldera has an amazing moonscape and several active vents that contain boiling lava lakes, most famous Marum and Benbow.
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Fuego volcano photos
: One of Central America's most active volcanoes, Fuego in Guatemala is in near-permanent explosive eruption with intermittent phases of increasing activity that generate lava fountains, lava flows and pyroclastic flows.