the nicobars are located southeast of the indian subcontinent. they are separated form the subcontinent by the bay of bengal by about 1,300 km and are separated from the andaman islands to the north by the 150 km wide ten degree channel and are 189 km from the indonesian island of sumatra to the southeast. the andaman and nicobar islands separate the bay of bengal from the andaman sea. until the 2004 indian ocean earthquake, indira point, south of great nicobar, was the southernmost point in india.