Is this circular feature anthropogenic trash? If so, it has been there quite a
while to be covered with sediment and small biota.
Image ID: expn4564, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Location: Hawaii, Gardner Terrace
Photo Date: 20150817T231151Z
Credit: NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana
• High Resolution Photo Available