Thanks for that info Selchie. In NZ, the Ministry of Civil Defence deal with emergencies created by natural disasters. They highly recommened everyone (even those who are not living in 'at-risk' areas) is prepared for an emergency.
http://www.civildefence.govt.nz/memwebsite.NSF - this link will take you to the Civil Defence website - if you click on 'Being Prepared', then 'What To Do', then take your pick from the options given..... everything from basic emergency supplies to becoming a volunteer!