View from Seirios as remotely operated vehicle Deep Discoverer gets a closer look at a ferromanganese-encrusted outcrop.
Ferromanganese-encrusted Outcrop
Image courtesy of the NOAA Office of Ocean Exploration and Research, 2017 American Samoa. Download larger version (jpg, 465 KB).

View from Seirios as ROV Deep Discoverer gets a closer look at a ferromanganese-encrusted outcrop.

Learn more