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Mappa topografica Kolkata

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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 reclaimed over the decades to accommodate a burgeoning population. The remaining undeveloped areas, known as the East Kolkata Wetlands, were designated a "wetland of international importance" by the Ramsar Convention (1975). 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. 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. 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. 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. 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.

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A proposito di questa mappa

Nome: Mappa topografica Kolkata, altitudine, rilievo.

Luogo: Kolkata, Kolkata District, West Bengal, 700073, India (22.41265 88.20390 22.73265 88.52390)

Altitudine media: 5 m

Altitudine minima: -2 m

Altitudine massima: 21 m

Altre mappe topografiche

Clicca su una mappa per visualizzarne la topografia, l'altitudine e il rilievo.

Darjeeling

India > West Bengal

The Darjeeling hill area is formed of comparatively recent rock structure that has a direct bearing on landslides. Heavy monsoon precipitation contributes to the landslides. Soils of Darjeeling hill areas are extremely varied, depending on elevation, degree of slope, vegetative cover and geolithology.

Altitudine media: 730 m

Uttar Dinajpur

India > West Bengal

The regional topography is generally flat with a gentle southerly slope towards which the main rivers like Kulik, Nagar, Mahananda. The District forms a part of the basin lying between Rajmahal hills on the east. The older alluvium is estimated to be Pleistocene age. Uttar Dinajpur is bestowed with a very…

Altitudine media: 45 m

Kharagpur-II

India > West Bengal

Altitudine media: 24 m

Darjeeling

India > West Bengal

The Darjeeling hill area is formed of comparatively recent rock structure that has a direct bearing on landslides. Heavy monsoon precipitation contributes to the landslides. Soils of Darjeeling hill areas are extremely varied, depending on elevation, degree of slope, vegetative cover and geolithology.

Altitudine media: 730 m

Raiganj

India > West Bengal

Altitudine media: 35 m

Ghatal

India > West Bengal

Altitudine media: 11 m

Birbhum

India > West Bengal

Often called "the land of red soil", Birbhum is noted for its topography and its cultural heritage which is somewhat different from the other districts in West Bengal. The western part of Birbhum is a bushy region, a part of the Chhota Nagpur Plateau. This region gradually merges with the fertile alluvial…

Altitudine media: 70 m

Alipurduar

India > West Bengal

Altitudine media: 405 m

Jhargram

India > West Bengal

Altitudine media: 78 m

Kalimpong

India > West Bengal

Altitudine media: 899 m

Mathurapur - I

India > West Bengal

Mathurapur I CD block is located at 22°07′13″N 88°23′39″E / 22.1203°N 88.3943°E / 22.1203; 88.3943. It has an average elevation of 7 metres (23 ft).

Altitudine media: 4 m

Kangsabati River

India > West Bengal

Altitudine media: 100 m

South 24 Parganas

India > West Bengal

Altitudine media: 3 m

Baruipur

India > West Bengal

The Baruipur CD block is located at 22°21′56″N 88°25′57″E / 22.3654432°N 88.4325028°E / 22.3654432; 88.4325028. It has an average elevation of 9 metres (30 ft).

Altitudine media: 4 m

Mahananda River

India > West Bengal

Altitudine media: 108 m

Purba Medinipur

India > West Bengal

Purba Medinipur district is part of the lower Indo-Gangetic Plain and Eastern coastal plains. Topographically, the district can be divided into two parts – (a) almost entirely flat plains on the west, east and north, (b) the coastal plains on the south. The vast expanse of land is formed of alluvium and is…

Altitudine media: 6 m

Shyampur - I

India > West Bengal

Altitudine media: 4 m

Rajnagar

India > West Bengal

Altitudine media: 101 m

Canning - II

India > West Bengal

Canning II CD block is located at 22°18′50″N 88°39′54″E / 22.3139917°N 88.6650753°E / 22.3139917; 88.6650753. It has an average elevation of 6 metres (20 ft).

Altitudine media: 3 m

Bongaon

India > West Bengal

Altitudine media: 8 m

Midnapore

India > West Bengal

Altitudine media: 57 m

Purulia

India > West Bengal

Several rivers flow across Purulia district. Among these Kangsabati, Kumari, Silabati(silai), Dwarakeswar, Subarnarekha and Damodar are the important ones. Although several rivers flows across the district, 50% of the water run off due to the undulated topography. There are also several Small dams like…

Altitudine media: 225 m

Kurseong Subdivision

India > West Bengal

Altitudine media: 702 m

Chanditala - II

India > West Bengal

Altitudine media: 5 m

Kangsabati

India > West Bengal

Altitudine media: 119 m

Sagar Island

India > West Bengal

Altitudine media: 2 m

Tamluk

India > West Bengal

Altitudine media: 4 m

Hura

India > West Bengal

Altitudine media: 204 m

Barabani

India > West Bengal

Altitudine media: 131 m

Puncha

India > West Bengal

Altitudine media: 191 m

Dhupguri

India > West Bengal

Altitudine media: 142 m

Madarihat

India > West Bengal

Altitudine media: 164 m

Singur

India > West Bengal

Altitudine media: 8 m

Jamuria

India > West Bengal

Altitudine media: 109 m

Ausgram - I

India > West Bengal

Altitudine media: 42 m

Pingla

India > West Bengal

Altitudine media: 10 m

Alipurduar - II

India > West Bengal

Altitudine media: 57 m

Cooch Behar - II

India > West Bengal

Altitudine media: 48 m

Matigara block

India > West Bengal

Altitudine media: 139 m

Kandi

India > West Bengal

Altitudine media: 19 m

Paschim Medinipur

India > West Bengal

Altitudine media: 35 m

Cooch Behar

India > West Bengal

Cooch Behar is a flat region with a slight southeastern slope along which the main rivers of the district flow. Most highland areas are in the Sitalkuchi region, and most low-lying lands lie in the Dinhata region. The elevation of the town is 48 meters above mean sea level. The Torsa river flows by the western…

Altitudine media: 41 m

Siliguri Subdivsion

India > West Bengal

Altitudine media: 133 m

Kolkata

India > West Bengal

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…

Altitudine media: 5 m

Maldah (Old)

India > West Bengal

Altitudine media: 27 m

Paschim Bardhaman

India > West Bengal

The rocky undulating topography with laterite soil found in Paschim Bardhaman district is a sort of extension of the Chota Nagpur plateau. For ages the area was heavily forested and infested with plunderers and marauders. The discovery of coal in the 18th century led to industrialisation. Most of the forests…

Altitudine media: 86 m

Namkhana

India > West Bengal

Namkhana CD block is located at 21°46′12″N 88°13′53″E / 21.7699°N 88.2315°E / 21.7699; 88.2315. It has an average elevation of 4 metres (13 ft).

Altitudine media: 2 m

Debra

India > West Bengal

Altitudine media: 12 m

Pursura

India > West Bengal

Altitudine media: 14 m

Howrah

India > West Bengal

Altitudine media: 6 m

Kalyani

India > West Bengal

Altitudine media: 9 m

Simlapal

India > West Bengal

Altitudine media: 83 m

Gorubathan

India > West Bengal

Altitudine media: 1.029 m

Bhangar - II

India > West Bengal

The Bhangar II CD block is located at 22°30′45″N 88°36′35″E / 22.5126°N 88.6097°E / 22.5126; 88.6097. It has an average elevation of 9 metres (30 ft).

Altitudine media: 4 m

Diamond Harbour - II

India > West Bengal

The Diamond Harbour II CD block is located at 22°11′28″N 88°11′26″E / 22.1910091°N 88.1904741°E / 22.1910091; 88.1904741. It has an average elevation of 8 metres (26 ft).

Altitudine media: 3 m

Bishnupur - II

India > West Bengal

The Bishnupur II CD block is located at 22°22′52″N 88°16′05″E / 22.3812°N 88.2680°E / 22.3812; 88.2680. It has an average elevation of 9 metres (30 ft).

Altitudine media: 4 m

Darjeeling Pulbazar

India > West Bengal

Altitudine media: 1.778 m

Chandipur

India > West Bengal

Altitudine media: 4 m

Tufanganj - I

India > West Bengal

Altitudine media: 37 m

Garbeta-III

India > West Bengal

Altitudine media: 42 m

Kolkata

India > West Bengal

Altitudine media: 8 m

Asansol Kulti Township

India > West Bengal

Altitudine media: 125 m

Bhangar - I

India > West Bengal

The Bhangar I CD block is located at 22°30′45″N 88°36′35″E / 22.5126°N 88.6097°E / 22.5126; 88.6097. It has an average elevation of 9 metres (30 ft).

Altitudine media: 3 m

Falakata

India > West Bengal

Altitudine media: 75 m

Thakurpukur Maheshtala

India > West Bengal

Thakurpukur Maheshtala CD block is located at 22°30′31″N 88°15′12″E / 22.5086210°N 88.2532182°E / 22.5086210; 88.2532182. It has an average elevation of 9 metres (30 ft).

Altitudine media: 5 m

Jaldhaka

India > West Bengal

Altitudine media: 603 m

Magrahat - II

India > West Bengal

Magrahat II CD block is located at 22°14′31″N 88°22′42″E / 22.2420°N 88.3784°E / 22.2420; 88.3784. It has an average elevation of 8 metres (26 ft).

Altitudine media: 4 m

Bagmundi

India > West Bengal

Altitudine media: 297 m

Barjora

India > West Bengal

Altitudine media: 82 m

Bagnan - II

India > West Bengal

Altitudine media: 4 m

Manikchak

India > West Bengal

Altitudine media: 27 m

Arsha

India > West Bengal

Altitudine media: 317 m

Kalchini

India > West Bengal

Altitudine media: 262 m

Budge Budge - II

India > West Bengal

The Budge Budge II CD block is located at 22°28′58″N 88°10′54″E / 22.4827548°N 88.1817594°E / 22.4827548; 88.1817594. It has an average elevation of 9 metres (30 ft).

Altitudine media: 4 m

Memari - I

India > West Bengal

Altitudine media: 20 m

Rajganj

India > West Bengal

Altitudine media: 120 m

Jagatballavpur

India > West Bengal

Altitudine media: 5 m

Ketugram - II

India > West Bengal

Altitudine media: 19 m

Samserganj

India > West Bengal

Altitudine media: 22 m

Phansidewa

India > West Bengal

Altitudine media: 101 m

Mandirbazar

India > West Bengal

Altitudine media: 4 m

Nadia

India > West Bengal

Altitudine media: 14 m

Jalpaiguri District

India > West Bengal

Altitudine media: 169 m

Nagrakata

India > West Bengal

Altitudine media: 220 m

Hanskhali

India > West Bengal

Altitudine media: 10 m

Bankura

India > West Bengal

Altitudine media: 86 m

Hooghly

India > West Bengal

The district is flat, with no place having an elevation of more than 200 meters. The River Hooghly borders it to the east. Another major river is the Damodar. The district is bordered by Howrah district to the south, Purba Bardhaman District to the north, and to the east by the River Hooghly. Bankura District…

Altitudine media: 16 m

Basanti

India > West Bengal

Basanti CD block is located at 22°11′54″N 88°42′50″E / 22.1983°N 88.7139°E / 22.1983; 88.7139. It has an average elevation of 6 metres (20 ft).

Altitudine media: 3 m

Bolpur

India > West Bengal > Bolpur Sriniketan

Altitudine media: 50 m

Siliguri

India > West Bengal > Matigara block

Siliguri located at the foothills of the eastern Himalayas at a location of 26°43′N 88°26′E / 26.71°N 88.43°E / 26.71; 88.43. This city is spread over an area of 260 km2 within the Siliguri Corridor, also known as the Chicken's neck. The city is surrounded by dense forests towards north and…

Altitudine media: 121 m

Dhupguri

India > West Bengal > Dhupguri

Dhupguri has an average elevation of 80 metres (262 feet), and is a municipality in the Jalpaiguri district. In the foothills of the Bhutanese Himalayas, the Jaldhaka River flows through the west of the town. The Daina, Gilandi, Duduya, Kumlai, Jhumur, and Bamni are other rivers which flow through the town.

Altitudine media: 77 m

Eco Park

India > West Bengal > Bidhannagar > Kolkata

Altitudine media: 2 m

Dansa

India > West Bengal > Sandeshkhali - I > Nyazat

Altitudine media: 2 m

Diamond Harbour

India > West Bengal > Diamond Harbour - I

Diamond Harbour is located at 22°11′28″N 88°11′26″E / 22.1910091°N 88.1904741°E / 22.1910091; 88.1904741. It has an average elevation of 8 metres (26 ft).

Altitudine media: 3 m

Mayapur

India > West Bengal > Nabadwip

Altitudine media: 10 m

Saraswati

India > West Bengal > Singur > Chandannagar

Altitudine media: 9 m

Kangsabati Reservoir

India > West Bengal > Ranibundh

Altitudine media: 136 m

B-13

India > West Bengal > Kalyani

Altitudine media: 10 m

Bidhannagar

India > West Bengal > Bidhannagar

According to the Bidhannagar Municipal Corporation, the city area has a total area of 55.51 square kilometres (21.43 sq mi), with approx 30.51 square kilometres (11.78 sq mi) of it being land, and approx 25 square kilometres (9.7 sq mi), or 45.5% of the total, being covered by water. It has an average…

Altitudine media: 5 m

Swabhumi

India > West Bengal > Kolkata

Altitudine media: 6 m

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