? A massive earthquake of magnitude 9.0 hit Indonesia off the west coast of Sumatra on the morning of December 26,2004, at 6:58 a.m. Another earthquake of magnitude 7.3 occurred 81km west of Pulo Kunji (Great Nicobar, India) at 9:51 a.m. on the same day. The earthquakes set off giant tsunamis three to 10 metres high, which travelled 2,000km across the Indian Ocean and Bay of Bengal.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/lessons-tsunami
[2] http://admin.indiaenvironmentportal.org.in/category/author/n-bhanutej
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/week-kochi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/andaman-islands
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nicobar-islands
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cyclones
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tsunami
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rehabilitation
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ngo
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nagapattinam-d