World leaders have pledged to set up an Indian Ocean early warning system which could save lives in the event of a repeat of Asia's devastating tsunami.
A declaration at the end of the aid conference in Indonesia also urges the UN to mobilise the international community for the relief effort.
UN Secretary General Kofi Annan called on donors to convert aid pledges into $1bn in cash for urgent use.
Pledges exceed $3bn, but promises have not always been fulfilled in the past.
The leaders said it would take 5-10 years to fully rehabilitate the region.
MAIN AID PLEDGES
The EU has increased its aid, pledging 100m euros ($132m) to the immediate effort.
Leaders also called for a special UN representative to be appointed to co-ordinate a global relief programme.
The declaration welcomed an initiative by several Western nations to freeze debt payments from affected countries.
In other developments:
The declaration, signed by delegates from nations and groups attending the Jakarta conference, pledges to set up a warning system similar to that in the Pacific Ocean to ensure that coastal residents have time to flee to higher ground in the event of a fresh earthquake.
Experts say such a system could have saved many lives after the original 26 December disaster.
JAKARTA CONFERENCE
The declaration asks the UN to convene an international pledging conference and explore a standby arrangement for the immediate relief effort.
"This unprecedented devastation needs unprecedented global response in assisting the national governments to cope with such a disaster," it says.
Mr Annan said there was "a race against time" to prevent another sharp rise in the death toll.
The number of fatalities could double if immediate aid did not reach survivors soon, he told delegates.
IMMEDIATE NEEDS
The $1bn programme proposed by Mr Annan would include $215m towards food, $222m toward shelter and $122m towards healthcare.
The UN has praised global generosity in responding to the disaster, but there are concerns that promised aid may not come through.
The US said it was disbanding what it called the core group of nations - including India, Australia and Japan - formed to tackle the crisis.
The BBC's Laura Trevelyan at the UN says officials who had feared that the group would duplicate the UN's efforts will be quietly relieved by this move.
CONFIRMED DEATH TOLLS|
1. Indonesia: 94,081 2. Sri Lanka: 30,513 3. India (inc Andaman and Nicobar Is): 9,682 4. Thailand: 5,288 |
5. Somalia: 298 6. Burma: 64 7. Maldives: 82 8. Malaysia: 67 |
9. Tanzania: 10 10. Seychelles: 1 11. Bangladesh: 2 12. Kenya: 1 |
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