Named after the Nanai (Amur River area, E. Siberia, Russia) goddess who created the Asian continent and Sakhalin Island. For this action, she was killed by her husband and world creator, Khado.
A crater is a circular depression likely created by an impact event. On Rhea they are named after people and places from creation myths (with Asian emphasis).
Image Source. Marker locations are approximate and may not always appear to align with image on map.