What's happening with Kīlauea's summit eruption?
Kīlauea Volcano's summit lava lake level, which fluctuates with summit inflation and deflation, was about 73 m (240 ft) below the new vent rim on June 8, 2015 (left), and about 46 m (151 ft) below the vent rim on June 12, 2015 (right).
After overflowing the vent rim between April 28 and May 8, 2015, Kīlauea's summit lava lake began to drop on May 9. Since then, the lava lake level has fluctuated—rising with summit inflation and dropping with summit deflation—varying between about 40 and 73 m (130 and 240 ft) below the new rim in recent weeks. The "new vent rim," created by the overflows, is visible in the above photos as the dark-colored layer of lava atop older, light-colored rock exposed in the vent walls.
Kīlauea webcam images show up-to-date views of the summit lava lake. Current info about the summit eruption is posted in HVO's daily Kīlauea eruption update. Background information is provided in "The first five years of Kīlauea's summit eruption in Halemaʻumaʻu Crater, 2008-2013."
The active vent (Overlook crater) at the summit of Kīlauea Volcano is located within Halemaʻumaʻu, a crater within the volcano's caldera. The lava lake within the summit vent was about 70 m (230 ft) below the vent rim when this aerial photo was taken on March 6, 2015. Hawaiʻi Volcanoes National Park’s Jaggar Museum is perched on the Kīlauea caldera rim (out of view to the right).