Goal teams - www.goal.ie - are at present working in Tamil Nadu in Southern India where they are distributing aid to 5,000 families.
Oxfam - www.oxfam.org.uk - is active in Indonesia, the Andaman and Nicobar Islands, Sri Lanka and India. Their relief operations include distributing food packs and hygiene kits and setting up water and sanitation facilities.
The Red Cross, with its sister charity the Red Crescent, is supplying blankets, cooking utensils and other crucial goods. It has had to set up a new site - www.ifrc.org - because of the unprecedented demand from people wanting to make donations.
The United Nations World Food Programme - www.wfp.org - is seeking donations to feed victims of the earthquake.