suffered the loss of one parent, and at least 40,000 people were rendered homeless. More than 46,000 people were injured. The worst affected Nicobar islands were Katchal and Indira Point; the latter subsided and was partially submerged in the ocean. The lighthouse at Indira Point was damaged but has been repaired since. A significant portion of the union territory was submerged and subsequently lost to sea. The territory which measured before the tsunami now stands at . While the locals and tourists on the islands suffered the greatest casualties from the tsunami, most of the aboriginal people survived on account of oral traditions passed down over generations that warned them to evacuate from the large waves that follow earthquakes. Geography There are 572 islands in the territory having an area of . Of these 38 are permanently inhabited. The islands extend from 6° to 14° North latitudes and from 92° to 94° East longitudes. The Andamans are separated from the Nicobar group by a channel (the Ten Degree Channel) some wide. The highest point is located in North Andaman Island (Saddle Peak at ). The Andaman group has 325 islands which cover an area of while the Nicobar group has only 247 islands with an area of . The capital of the union territory, Port Blair, is located from Kolkata, from Visakhapatnam and from Chennai. They are grouped with South India. The northernmost point of the Andaman and Nicobars group is away from the mouth of the Hooghly River and from Myanmar Mainland. Indira Point at 6°45’10″N and 93°49’36″E at the southern tip of the southernmost island, Great Nicobar, is the southernmost point of India and lies only from Sumatra island in Indonesia. The only volcano in India, Barren Island, is located in Andaman and Nicobar. It is an active volcano and had last erupted in 2017. It also has a mud volcano situated in Baratang Island. These mud volcanoes have erupted sporadically, with recent eruptions in 2005 believed to have been associated with the 2004 Indian Ocean earthquake. The previous major eruption recorded was on 18 February 2003. The locals call this mud volcano Jalki. There are other volcanoes in the area. This island's beaches, mangrove creeks, limestone caves, and mud volcanoes are some of the physical features. In December 2018, Prime Minister Narendra Modi, who was on a two-day visit to the Andaman and Nicobar Islands, renamed three