Geologists change data cards on a time-lapse camera within Pu‘u ‘Ō‘ō.
Detailed Description
HVO geologists change data cards on a time-lapse camera positioned on the rim of the west pit within Pu‘u ‘Ō‘ō Crater. A lava pond has been active in this pit for over a year, and the time-lapse camera tracks changes in the pond activity.