A strong aftershock rattled Pakistani Kashmir Sunday but there were no immediate reports of damage or injuries.

According the the United States Geological Survey, the epicenter of the magnitude six tremor was some 140 kilometers north of the capital, Islamabad, in the region hardest hit by the October 8 massive quake.

Shortly before this latest aftershock, the head of the U.S. Central Command, General John Abizaid, toured the disaster area and promised more U.S. military help.

Meanwhile, U.N. aid officials say that international efforts are gathering momentum but more is needed before the onslaught of winter weather.

The World Food Program in Bangladesh pledged to divert 200 tons of high-energy biscuits to Pakistan to meet the immediate needs of the quake victims.

The earthquake is believed to have killed more than 53,000 people in Pakistan and about 1,300 in Indian Kashmir. Several million people have been left homeless.

Some information for this report provided by AP and AFP.