Pu‘u‘ō‘ō crater floor subsiding on March 5, 2011
![Color photograph of volcanic cone and crater](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Picture1_0.png?itok=5Y8nXPQB)
Detailed Description
After an intrusion on March 5, Pu‘u‘ō‘ō crater floor subsided for several hours. Hot incandescent crater walls were exposed as the floor dropped a total of 113 m (371 ft). Frequent rockfalls into the crater triggered red ash plumes. USGS photo taken by T. Orr on March 5, 2011, at 4:32 p.m.
Sources/Usage
Public Domain.