Kolkata topographic map
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Kolkata
Spread roughly north–south along the east bank of the Hooghly River, Kolkata sits within the lower Ganges Delta of eastern India approximately 75 km (47 mi) west of the international border with Bangladesh; the city's elevation is 1.5–9 m (5–30 ft).[60] Much of the city was originally a wetland that was reclaimed over the decades to accommodate a burgeoning population.[61] The remaining undeveloped areas, known as the East Kolkata Wetlands, were designated a "wetland of international importance" by the Ramsar Convention (1975).[62] As with most of the Indo-Gangetic Plain, the soil and water are predominantly alluvial in origin. Kolkata is located over the "Bengal basin", a pericratonic tertiary basin.[63] Bengal basin comprises three structural units: shelf or platform in the west; central hinge or shelf/slope break; and deep basinal part in the east and southeast. Kolkata is located atop the western part of the hinge zone which is about 25 km (16 mi) wide at a depth of about 45,000 m (148,000 ft) below the surface.[63] The shelf and hinge zones have many faults, among them some are active. Total thickness of sediment below Kolkata is nearly 7,500 m (24,600 ft) above the crystalline basement; of these the top 350–450 m (1,150–1,480 ft) is Quaternary, followed by 4,500–5,500 m (14,760–18,040 ft) of Tertiary sediments, 500–700 m (1,640–2,300 ft) trap wash of Cretaceous trap and 600–800 m (1,970–2,620 ft) Permian-Carboniferous Gondwana rocks.[63] The quaternary sediments consist of clay, silt and several grades of sand and gravel. These sediments are sandwiched between two clay beds: the lower one at a depth of 250–650 m (820–2,130 ft); the upper one 10–40 m (30–130 ft) in thickness.[64] According to the Bureau of Indian Standards, on a scale ranging from I to V in order of increasing susceptibility to earthquakes, the city lies inside seismic zone III.[65]
About this map
Name: Kolkata topographic map, elevation, terrain.
Location: Kolkata, West Bengal, India (22.45203 88.23363 22.61883 88.46108)
Average elevation: 16 ft
Minimum elevation: -10 ft
Maximum elevation: 75 ft
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Average elevation: 10 ft
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Average elevation: 13 ft
Siliguri
India > West Bengal > Siliguri Subdivsion
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Bally
India > West Bengal > Bally Jagachha
Bally is located at 22°39′N 88°20′E / 22.65°N 88.34°E / 22.65; 88.34 and also the northernmost part of Howrah city. It has an average elevation of 15 metres (49 feet). It is more elevated in the west than the east (where flows the Hoogly river), thus leading to a problem of water logging.…
Average elevation: 20 ft
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Durgapur is located at 23°33′N 87°19′E / 23.55°N 87.32°E / 23.55; 87.32. It has an average elevation of 65 metres (213 ft).
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Average elevation: 135 ft
Ashoknagar Kalyangarh
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Ashoknagar is located at 22°49′59″N 88°37′59″E / 22.833°N 88.633°E / 22.833; 88.633. It is situated in the World's largest delta, The Ganga-Brahmaputra Delta. The elevation of Ashoknagar Kalyangarh from sea-level is 8 meters. There are many forest, several lakes, some canals and vast green…
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Arambagh
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Arambagh is located at 22°53′N 87°47′E / 22.88°N 87.78°E / 22.88; 87.78. It has an average elevation of 15 metres (118 feet). The town is situated on the link Road (state highway-2) 81Km north-west of Kolkata, 27 Km north-west of Tarakeswar, 39 Km south-east of Bardhaman. It is located on the…
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Shantipur
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Haldia
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Average elevation: 10 ft
Purulia
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Kolkata
Spread roughly north–south along the east bank of the Hooghly River, Kolkata sits within the lower Ganges Delta of eastern India approximately 75 km (47 mi) west of the international border with Bangladesh; the city's elevation is 1.5–9 m (5–30 ft). Much of the city was originally a wetland that was…
Average elevation: 16 ft
Khardaha
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Khardaha is located at 22°43′N 88°23′E / 22.72°N 88.38°E / 22.72; 88.38.[4] It has an average elevation of 15 m (49 ft). It has a railway station on the Sealdah-Ranaghat section, sandwiched between Sodepur and Sukchar (to the south) and Titagarh (to the north). The railway station divides the…
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Kumarun Purba Barddhaman, West Bengal,713121
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Krishnanagar
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Krishnanagar is located at 23°24′N 88°30′E / 23.4°N 88.5°E / 23.4; 88.5. The area of the municipality is around 16 km2. It is situated on the southern banks of the Jalangi River. It has an average elevation of 14 metres (46 ft). The Tropic of Cancer passes through the outskirts of…
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Kolkata
India > West Bengal > Kolkata
Spread roughly north–south along the east bank of the Hooghly River, Kolkata sits within the lower Ganges Delta of eastern India approximately 75 km (47 mi) west of the international border with Bangladesh; the city's elevation is 1.5–9 m (5–30 ft). Much of the city was originally a wetland that was…
Average elevation: 16 ft
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Purba Medinipur
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Average elevation: 20 ft
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