Four More Australians Confirmed Safe in Nepal-Tibet Floods as 38 Remain Missing

Four more Australians have been confirmed safe in the Nepal-Tibet flood disaster, but 38 others remain unaccounted-for as loved ones urge authorities to do more to find those missing.

Five Australian citizens have been located safe since Tuesday morning.

One person was found in Nepal and another in China, while three others were found outside the disaster zone.

The ABC understands those confirmed safe on Wednesday had not had contact with families or next of kin since the flood, and their welfare could not initially be confirmed.

Nepal said 1,050 bodies had been recovered by Tuesday, while 3,916 people remained missing.

China's state media reported 16 dead and 546 missing, taking the overall number of reported dead to 1,066 and missing to 4,462.

At least 11,814 people have been rescued so far.

Rescuers are focusing on hydropower plant projects where hundreds of workers are believed to have been trapped.

Images released by Nepal's army show teams working through debris-filled tunnels to find signs of life.

Victorian resident Anamika Shrestha hopes her 65-year-old engineer father, Ganesh Mani Shrestha, is safe.

The Geelong mother of two said her father, who is not an Australian citizen, was working on a construction site at the Rasuwagadhi Integrated Customs Checkpoint on the Nepal-Tibet border.

She was frustrated it took rescue teams about six days to reach the area where her father had been and said more international help was needed.

"We need specialised missing person search teams and then forensic and DNA support, and proper identification of anyone who has been recovered," Ms Shrestha said.

Her family is hopeful her father is alive but is also desperate to find his body if he has died.

"If we don't get the body … it's going to be really difficult for us thinking that maybe his soul is still not resting in peace," she said.

Her brother in Nepal has submitted DNA to authorities in the hope her father's body will be found and identified, but she said it could take months.

"We are still hoping he's safe somewhere. Most of the people are saying if he was safe then we would have heard about it already. It's been eight days now," she said.

The Australian government is providing $8 million in support for Nepal, with emergency supplies including shelter, hygiene and solar light kits to be delivered by the Australian Defence Force on Wednesday.

Eighteen Australian response team personnel are also on the ground in Nepal to assist with the rescue efforts.

In China, rescue teams used search dogs to search rubble for people trapped at the Gyirong Port border crossing, which was completely destroyed.

Chinese state media reported on Wednesday that the road had been reopened and extra personnel were at the site to search for those missing.

Authorities have begun burying hundreds of unidentified bodies after DNA sampling, with mortuaries overflowing in Nepal.

At least 17 bodies have also been pulled from rivers downstream in India.