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A near-vertical look inside the vent cavity of the Halema‘uma‘u Overlook vent. Overflows from the lava pond in Pu‘u ‘Ō‘ō and numerous spattering...

Video showing the refilling of Pu‘u ‘Ō‘ō over the past two months.

On May 21, 2011, Grímsvötn volcano awoke from a 7-year eruptive slumber, producing an ash and gas plume about 17 km (10.6 miles) high. The eruption...

Aerial view of the perched lava lake in Pu‘u ‘Ō‘ō crater.

In May 1922, the scene at Halema‘uma‘u Crater in Kīlauea Caldera was spectacular. The level of lava within the crater had been rising since November...

Kīlauea is the most studied volcano in the world. You'd think that, after a century of scientific scrutiny, we'd have it completely figured out by now...

Lava continues to be active in Halema`uma`u. Photos of the lava pond on the floor of Pu‘u ‘Ō‘ō crater.

Photo and Video Chronology - Kīlauea - May 6, 2011

After more than 18 months of dormancy, Kīlauea Volcano erupted early on the morning of May 31, 1954. The eruption was not specifically predicted, but...

The floor of Pu‘u ‘Ō‘ō crater continues its slow rise.