Jan Egeland, the UN's humanitarian co-ordinator, described the needs in Pakistani Kashmir as "unique", and called for an aid boost before winter sets in.
Mr Egeland said the UN had received $130m (£74m) in donations, but more was urgently needed.
"If people are dead by next year, reconstruction is of no use," he said.
"I've never seen this kind of a logistical nightmare before. We have 15,000 devastated villages."Pakistan delays purchase of F-16s [BBC]
Pakistan had been expected to buy more than 50 planes at up to $40m each. Quake reconstruction is put at $5bn.That's still
3 billion dollars short of what's needed...
Heating now top priority [BBC]
The bodycount is now up to 74,000 after a new, sharp increase, and will keep on going up. More than three million are homeless.