2017-10-10 S&O Agenda - Attachment 1 to Item 7 - Noosa Local Disaster Management Plan 2018

6.11 Disaster risk assessment
The sections below provide the methodology and the regional hazard risk assessment. The 2016 review considered the risk methodology likelihood
and consequence descriptors to be current.

Acknowledgement: The regional disaster risk management information contained in this plan was originally prepared by GHD Pty Ltd, working with
council’s disaster management team and the Local Group and funded with the assistance of a Natural Disaster Resilience Program grant. Copies of this
document are held by the Sunshine Coast and Noosa Councils, and are available on request from the Local Disaster Coordinator.

6.11.1 Risk methodology – likelihood descriptors

Almost Certain   The event will occur at least once per year. (Average Recurrence Interval < 1 year).

Likely           The event could occur at least once every one to ten years. (Average Recurrence Interval 1-10 years).

Possible         The event could occur at least once every ten to fifty years. (Average Recurrence Interval 10-50 years).

Unlikely         The event could occur at least once every fifty to one hundred years. (Average Recurrence Interval 50-100 years).

Rare             The event could occur at least once every one hundred to one thousand years. (Average Recurrence Interval 100-1000
                 years).

Improbable       The event may occur at least once every thousand years or more. (Average Recurrence Interval >1000 years).




Noosa Local Disaster Management Plan 2018                                                 Page 34