The Hawaiian Volcano Observatory overlooks Kilauea Caldera and monitors the activity of one of the most active volcanoes on earth, Hawaii Volcanoes National Park, Big Island, Hawaii. Photo by Dave Houser.
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The Hawaiian Volcano Observatory overlooks Kilauea Caldera and monitors the activity of one of the most active volcanoes on earth, Hawaii Volcanoes National Park, Big Island, Hawaii. Photo by Dave Houser.
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