Eltanin Fault System

Map
Approximate surface projection on Southern Ocean of Eltanin Fault System components (violet). Other nearby fracture zones (orange) and associated features such as probable extension of fracture zones are also shown (lighter orange). Click to expand map to obtain interactive fracture zone details.
Pacific Ocean depth map showing the Heezen Fault and the Tharp Fault as #17.

The Eltanin Fault System (Eltanin Fracture Zone) is a series of six or seven dextral transform faults that offset the Pacific-Antarctic Ridge, a spreading zone between the Pacific plate and the Antarctic plate. This is extending by up to 7.93 cm/year (3.12 in/year).[1] It was named after the oceanographic ship USNS Eltanin.[2]