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Narcondam, India's easternmost island, is a small volcanic island located in the northern Andaman Sea. The island's peak rises to 710 m above mean sea level , and it is formed of andesite . It is part of the Andaman Islands , the main body of which lie approximately 74 km (46 mi) to the west.
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There are two volcanic islands, Narcondam Island and Barren Island, which have produced basalt and andesite. Barren Island is the only active volcano in the Indian sub-continent, with the latest eruption reported in December 2022, leading to the potential for geotourism. [41] [42]
The entire population (estimate of about 200 birds in 1905 [16] and 1984) is restricted to the single island of Narcondam in the Andaman Island chain. The island is clothed in forests and rises to a height of about 2300 feet above sea level. It is largely devoid of human presence. [17] The island is often hit by cyclonic storms in the Bay of ...
Narcondam Island: Andaman and Nicobar Islands: 2014 viii, ix, x (natural) Narcondam Island is a volcanic island off the main chain of the Andaman Islands. It is composed mostly of andesite, dacite, and amphibole, types of volcanic rocks and minerals. The island provides an important example of evolutionary processes due to its isolation.
Narcondam Island is a dormant volcano in the area, apart from volcanic seamounts like Alcock and Sewell. All the historical and recent eruptions (1789 and after) are confined within and around an active polygenetic cinder cone in a 2 km (1.2 mi) wide caldera that was formed by the Pleistocene collapse of a primitive cone of a stratovolcano .
Timeline of pre-Columbian trans-oceanic contact (47,000 BCE–1492 CE); Timeline of environmental history (15,000 BCE – present); Timeline of country and capital changes (3850 BCE – present)
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