Tsunami Timeline: How the events unfolded
http://news.bbc.co.uk/2/hi/asia-pacific/4154791.stm

Anatomy of the disaster
http://news.bbc.co.uk/2/hi/science/nature/4381395.stm

Tsunami disaster - as an animation
http://news.bbc.co.uk/2/hi/in_depth/4136289.stm

For general country profiles maintained by BBC Online, please go to the following links:

India
http://news.bbc.co.uk/1/hi/world/south_ asia/country_profiles/1154019.stm

Indonesia
http://news.bbc.co.uk/1/hi/world/asia- pacific/country_profiles/1260544.stm

Sri Lanka
http://news.bbc.co.uk/1/hi/world/south_ asia/country_profiles/1168427.stm

Thailand
http://news.bbc.co.uk/1/hi/world/asia- pacific/country_profiles/1237845.stm