Tourists will be flown to a Christchurch welfare centre as recovery efforts ramp up to get hundreds of stranded holidaymakers out of quake-ravaged Kaikoura.
Red Cross recovery communications manager Simon Makker said it had been a rough night as numerous aftershocks rocked the region, keeping everyone on edge.
"It's been a bit rough to tell the truth," said Makker.
"There wasn't much sleep going on. There's been numerous aftershocks during the night. Seems like every 10-15 minutes there was a good rattle."
He said up to 100 people took refuge at Red Cross welfare centre and he estimated at least that number again opted to sleep in cars.