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Meanwhile, back at the summit of Kīlauea...

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Perched on the rim of Kīlauea Volcano's summit caldera, the USGS Hawaiian Volcano Observatory and NPS Jaggar Museum (foreground) overlook the active lava lake within Halema‘uma‘u Crater. The black lava flows to the left and right of the fuming vent spilled onto the crater floor in April-May 2015, when the lava lake briefly filled to overflowing.