Earthquake and tsunami statistics
Time of main tremor: 0758 local time on 26 December 2004, (0058 GMT)
Magnitude: Magnitude 9 "megathrust"
Scale of slippage: 30 kilometres below the seafloor, a 1200 km stretch of the Indian plate was thrust up to 20 metres under the Burma plate, raising the seafloor by several metres
Historical ranking: The fourth largest since 1900 and the world's biggest since a magnitude 9.2 earthquake struck Alaska's Prince William Sound in 1964
Epicentre locality: 250 km south-south-east of Banda Aceh, Indonesia and 1600 km north-west of Jakarta
Energy released: Equivalent to the explosion of 475,000 kilotons of TNT, or 23,000 Hiroshima-sized atomic bombs
Height and speed of tsunamis: In the open ocean, just 50 centimetres high but travelling at up to 800 km/h. However, the wave s grew and slowed as the sea shallowed towards coasts. Waves were up to 10 metres on the coastline of Sumatra near the epicentre, 4 metres in Thailand, Sri Lanka and Somalia
Distance waves travelled inland: Up to 2000 metres
Number of countries damaged: 13, including Indonesia, Sri Lanka, India, Thailand, Myanmar, Malaysia, The Maldives and Somalia
Date of last major tsunami in the Indian Ocean: 1945
Disaster and humanitarian crisis statistics
Number of people killed: Latest figures indicate at least 226,000 dead, including 166,000 in Indonesia, 38,000 in Sri Lanka, 16, 000 in India 5300 in Thailand and 5000 foreign tourists
Number of people injured: Over 500,000
Potential additional deaths from infectious diseases 150,000
Number of people affected: Up to 5 million people lost homes, or access to food and water
Number of children affected : Around a third of the dead are children, and 1.5 million have been wounded, displaced or lost families
Number of people left without the means to make a living: One million
Number of World Heritage Sites destroyed or damaged: Five, including: the Old Town of Galle in Sri Lanka, the Tropical Rainforest of Sumatra in Indonesia and the Sun Temples of Konarak in India
Estimated cost of tsunami early warning technology in Indian Ocean: $20 million
Estimated cost of aid and reconstruction following tsunami: $7.5 billion
Total international aid promised to Tsunami-ravaged nations $7 billion
Sources: USGS, BGS, NOAA, WHO, UNICEF, UNESCO, Reuters
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