"They are people who want to leave Palu temporarily to stay at their relatives houses in their respective cities, because they are still traumatized [by the quake] and struggle to meet their daily needs", he said.
The confirmed death toll from the quake has now reached 1,763, with 265 people missing in central Sulawesi's largest city, Palu, the spokesperson of Indonesia's Disaster Management Agency, Sutopo Purwo Nugroho, told reporters in Jakarta on Sunday.
"We have vaccinated our teams, but we need to be extra cautious as they are exposed to health hazards".
Officials believe more than 100 people are still missing.
Adam Switzer, a tsunami expert at the Earth Observatory of Singapore, said from evidence so far it appeared the tsunami in Palu was generated by a submarine landslide, something most warning systems would not pick up.
The Hercules was one of the first foreign aircraft to deliver aid to Palu. The victims can be considered "martyrs", he said.
Disaster agency spokesman Sutopo Purwo Nugroho told a briefing in Jakarta some limited searching might continue but large-scale searches with many personnel and heavy equipment would cease on October 11.
Authorities have yet to conduct a tally of casualties in districts near the epicentre, but Lakuaci estimated dozens of people had been killed. He says how many plane loads of aid fly from Darwin will depend on future Indonesian requests for help.
Michael Lesmeister, director of Germany's ISAR-Germany (International Search and Rescue) group, said landing permits for his staff and cargo had come through and, after a three-day wait, they were set to install a water-purification system in Palu.
Air Loadmaster Sergeant Daniel Swanson and Indonesian soldiers help offload supplies flown into Palu on an RNZAF Hercules.
Nugroho said other victims still are buried in the mud and debris and have not yet been recovered.
Indonesia is frequently struck by earthquakes, volcanic eruptions and tsunamis because of its location on the "Ring of Fire", an arc of volcanoes and fault lines in the Pacific Basin.
But the trickle of global aid to Palu and local efforts to help the survivors have accelerated in recent days. Several other nations have also sent planeloads of aid.
Providing emergency healthcare is also challenging, according to the UN Office for the Coordination of Humanitarian Affairs (OCHA), which said that around 2,500 people have been seriously injured in the disaster.
CPL Laura Kjestrup helps a family as they arrive at Balikpapan airport.
Relief supplies from Japan, including tents and generators, have arrived at Indonesia's Sulawesi Island, which was devastated by a magnitude-7.5 quake and tsunami on September 28th.
But the way is now open and aid is starting to trickle in to the area that rescue workers feared had been obliterated.
The U.N. announced a $15 million allocation to bolster relief efforts.