Lake Ellsworth (Antarctica)

Lake Ellsworth
Lake Ellsworth
LocationWest Antarctica
Coordinates79°S 91°W / 79°S 91°W / -79; -91
Lake typesubglacial
Max. length14.7 km (9.1 mi)
Max. width3 km (1.9 mi)
Surface area~28.9 km2 (11.2 sq mi)
Average depth~ 47.4 m (156 ft)
Max. depth156 m (512 ft)
Water volume1.37 km3 (0.33 cu mi) + or - 0.2 km3 (0.048 cu mi)
Surface elevationgradient surface, ~1,030–1,380 m (3,380–4,530 ft) below mean sea level

Lake Ellsworth is a natural freshwater liquid subglacial lake located in West Antarctica under approximately 2.93–3.28 km (1.82–2.04 mi) of ice. It is approximately 14.7 km (9.1 mi) long and is estimated to be 156 m (512 ft) in max. depth. The lake is named after the American explorer Lincoln Ellsworth. The surface of the lake itself is located, approximately 3,379–4,528 feet (1,030–1,380 m) below mean sea level. Elevation of icecap covering, the lake: 1,900–1,925 m (6,234–6,316 ft) m.a.s.l.