The death toll from a massive earthquake which devastated large parts of Nepal on Saturday has risen to 449, according to police.

"The death toll based on information received on our network across the country has reached 449," national police spokesman Kamal Singh Bam told AFP.

"Deaths have been reported from all regions except the far west. All our security personnel have been deployed to rescue and assist those in need."

READ: Hundreds feared dead in Nepal after massive quake

READ: Terror in Nepal as 7.9 quake rocks capital

READ: A 7.5 magnitude earthquake strikes Nepal: US Geological Survey