Police have released the names of three more quake victims.
They are:
Betty Irene Dickson, 82, of Christchurch
Joanna Clare Didham, 35, of Christchurch, and
Yoshiko Hirauchi, 61, of Japan.
The release of these names brings to 44 the number of people formally identified by police.
The official death toll of 166 has not changed since Sunday.
Sunday's names
Police released the names of 15 victims on Sunday. They were:
Linda Isobel Arnold, 57, of Christchurch
Dr Dominic Joseph Gerard Bell, 45, of Christchurch
Ian Neville Caldwell, 47, of Christchurch
Donald Ashby Cowey, 82, of Christchurch
Maureen Valerie Fletcher, 75, of Christchurch
Wai Fong Lau, 87, of Christchurch
Catherine McNicol Lunney, 62, of Christchurch
Owen Thomas McKenna, 40, of Christchurch
Ofer Binyamin Mizrahi, 22, of Israel
Joseph Stuart Routledge, (known as Stuart), 74, of Christchurch
Lucy Routledge, 74, of Christchurch
Christopher Patrick Smith, 48, of Selwyn
Gregory James Tobin, 25, of Christchurch
Shane Robert Tomlin, 42, of Christchurch
Lisa Patricia Willems, 43, of Christchurch