Uploaded May 2016 | Updated September 2026, 2 weeks ago

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Video showing the collapse of the Puʻu ʻŌʻō crater floor on March 5, 2011. The video starts at 4 am and ends at 11 pm. The floor of the crater dropped about 115 meters (377 ft) in just a few hours.

Video Copyright © U.S. Geological Survey

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