The earthquake that hit Haiti today is believed to have caused significant damage to the capital, including to UNICEF's own office.

The 7.0 magnitude earthquake was centred west of Port-au-Prince, less than 15km from the UNICEF office.

UNICEF NZ Executive Director, Dennis McKinlay, says that communications with Haiti are extremely difficult at the moment and phones that are functioning are being used for the emergency response.

"We have very little information at the moment, but early reports are that the population has sustained significant damage, including damage to our own office. We don't know the extent of damage or injuries, but expect to have more details by tomorrow.

"In the meantime, UNICEF is working both locally and internationally to respond to the humanitarian needs that may arise from the earthquake, such as lack of clean water and sanitation, and the spread of diseases.

"Children are particularly vulnerable after a disaster like an earthquake and UNICEF will be working closely with the Government, other UN agencies and partner organisations to get help to those who need it."

To donate to UNICEF NZ's Emergency Fund call 0800-800-194 or donate online at www.unicef.org.nz