New Zealand insurers are bracing for claims and damage has been reported from as far north as Hawke's Bay.
A spokesman for New Zealand's biggest insurer, IAG, said claim numbers were expected to climb in the next few days and inquiries had already been made about Hawke's Bay swimming pools.
"In terms of the geographic spread of claims it seems the energy of the earthquake really did get sent north with reports from our assessors of damage to some pools in the Hawkes Bay region from water movement," he said.
"Our consumer claims teams assisting customers of AMI and State insurance received several thousand calls through the day," he said of yesterday's activity.
A Tower spokesman said the next two days were expected be busy.