Lake Superior the Soo Locks. Lake Superior is the largest freshwater lake in the world in area (if Lakes Michigan and Huron are taken separately; "see Lake Michigan–Huron"), and the third largest in volume, behind Lake Baikal in Siberia and Lake Tanganyika in East Africa. The Caspian Sea, while larger than Lake Superior in both surface area and volume, is brackish; though presently isolated, prehistorically the Caspian has been repeatedly connected to and isolated from the Mediterranean via the Black Sea. Lake Superior has a surface area of , which is approximately the size of South Carolina or Austria. It has a
Lake Muir lake on 16 September 2018 and was followed by a magnitude 4.7 quake on 13 October and a 5.4 quake on 9 November. Lake Muir Lake Muir is a freshwater lake, with a larger surrounding wetlands area, that is located in the South West region of Western Australia. The lake lies near Muirs Highway, north of Walpole and southeast of Manjimup. The lake has a surface area of . Lake Muir and its surrounding wetland lies within the Lake Muir-Unicup System, a area of internal drainage containing a complex of wetland systems. Lake Muir may, in flood, overflow southwest into