Physical Characteristics
Caspian Sea | |
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Coordinates | Coordinates: 40°N 51°E40°N 51°E40; 51 |
Lake type | Endorheic, Saline, Permanent, Natural |
Primary inflows | Volga River, Ural River, Kura River, Terek River |
Primary outflows | Evaporation |
Catchment area | 3,626,000 km2 (1,400,000 sq mi) |
Basin countries | Azerbaijan, Iran, Kazakhstan, Russia, Turkmenistan |
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Max. length | 1,030 km (640 mi) |
Max. width | 435 km (270 mi) |
Surface area | 371,000 km2 (143,200 sq mi) |
Average depth | 187 m (610 ft) |
Max. depth | 1,025 m (3,360 ft) |
Water volume | 69,400 km3 (16,600 cu mi) |
Residence time | 250 years |
Shore length | 7,000 km (4,300 mi) |
Surface elevation | −28 m (−92 ft) |
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Islands | 26+ |
Settlements | Baku (Azerbaijan), Rasht (Iran), Aktau (Kazakhstan), Makhachkala (Russia), Türkmenbasy (Turkmenistan) |