First aid flights have arrived on Indonesia's Nias Island, near the center of Monday's massive earthquake.
Indonesian officials say more than 330 people are confirmed dead after the magnitude eight-point-seven earthquake off northern Sumatra, but they fear the final toll could be 10 times that.
Two light planes carrying supplies and Red Cross officials were able to land on Nias and neighboring Simeulue after heavy clouds cleared.
Indonesia's vice president Jusuf Kalla told a local radio station that between 1,000 and 2,000 people may have been killed in the quake, based on the number of buildings damaged.
Officials say 80% of the structures in Nias' main city of Gunungsitoli may have been destroyed.
The earthquake occurred approximately 200 kilometers southeast of the epicenter of the December 26th quake, which triggered a massive tsunami, killing nearly 300,000 people across southeast Asia.
Monday's quake triggered tsunami warnings in Indonesia, Thailand, Burma, Sri Lanka and India. The warnings were canceled early Tuesday morning.
Information for this report is provided by AP, AFP and Reuters.