Fumarole activity at the Poas crater
Poas Volcano National Park, Costa Rica. Volcanic steam rises from Laguna Caliente, the active portion of the volcano. A fumarole is an opening in a planet's crust, often in the neighborhood of volcanoes, which emits steam and gases such as carbon dioxide, sulfur dioxide, hydrogen chloride, and hydrogen sulfide.
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Photo credit: © Natalia Zakhartseva / Alamy / Afripics
License: Royalty Free
Model Released: No
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