Bubble plumes seen emanating from the seafloor in multibeam data collected using the sonars on NOAA Ship Okeanos Explorer the night before Dive 04 of the Seascape Alaska 3 expedition.
Multibeam Data
Image courtesy of NOAA Ocean Exploration, Seascape Alaska. Download larger version (jpg, 1.7 MB).

Bubble plumes seen emanating from the seafloor in multibeam data collected using the sonars on NOAA Ship Okeanos Explorer the night before Dive 04 of the Seascape Alaska 3 expedition.