Bubble plumes revealed during overnight mapping paved the way for a remotely operated vehicle dive offshore Chatham Strait. Chatham Seep was first identified in 2016, but Seascape Alaska 5 marked the first time it was visually surveyed.
Bubble Plumes
Image courtesy of NOAA Ocean Exploration, Seascape Alaska. Download larger version (jpg, 1.27 MB).

Bubble plumes revealed during overnight mapping paved the way for a remotely operated vehicle dive offshore Chatham Strait. Chatham Seep was first identified in 2016, but Seascape Alaska 5 marked the first time it was visually surveyed.