Hikurangi Response Planning Toolbox Plenty (31,000); 11% for Tairāwhiti-Gisborne (4,600); 29% and Within the Regional Response Concept Paper Annex
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Hikurangi subduction zone RESPONSE PLANNING TOOLBOX TE WHAKAMAHERE JULY 2020 URUPARE A HIKURANGI Acknowledgements This toolbox acknowledges the funding received from the National Emergency Management Agency (NEMA) -administered Resilience Fund, GNS scientists and input from other experts, the Hikurangi Response Planning project team and the East Coast Life at the Boundary Steering Group. In addition, this toolbox acknowledges the valuable contribution of response planning outputs from the following initiatives, which have helped inform the content of this toolbox: l SAFER South Island / Te Waipounamu Alpine Fault Earthquake Response Framework l Wellington Earthquake National Initial Response Plan (WENIRP) l Wellington Region Earthquake Plan (WREP) l National and regional lifeline studies p 2 Contents Acknowledgments ....................................... 2 2.5.1 Planning considerations and recommendations: social environment............22 Introduction ...................................................4 2.5.2 Planning considerations and recommendations: built environment ..............25 Scope ................................................................ 5 2.5.3 Planning considerations and Audience .......................................................... 5 recommendations: natural environment .........28 Geographical Context ................................... 5 2.5.4 Planning considerations and recommendations: economic environment ... 29 Legislative Context .......................................6 2.5.5 Further considerations........................................... 31 2.5.6 Rapid disaster relief ................................................ 31 Volume 1 ................................................... 7 2.5.7 Needs assessment and registration ...................33 1.0 Hazard ......................................................8 2.5.8 Cordon management ............................................33 2.5.9 Tsunami Hazard cordons .......................................33 1.2 Likelihood ............................................... 9 2.5.10 Further PIM Considerations (PIM) ......................33 1.3 Vulnerability .......................................... 9 2.6 Engaging with iwi / Māori ....................34 1.4 Consequences ........................................ 9 Appendix A 2.7 Response phase concept ........................34 Credible planning scenario ........................ 10 2.8 The Hikurangi Response Appendix B Planning ‘P’ ................................................40 Aftershock sequence .................................. 14 2.8.1 Stage 1: Initial understanding and mobilisation .................................................... 41 2.8.2 Stage 2: Establish/review objectives .............. 41 Volume 2. ............................................... 15 2.8.3 Stage 3: Develop the plan .................................. 42 2.0 Introduction ...........................................16 2.9 Response Risk Register ..........................59 2.1 NCMC and ECC response ............................................ relationships 16 2.10 Public Information and education during readiness ................ 61 2.2 Legislative enablers .............................. 17 Appendix A: Reference material ................ 63 2.3 Inter-regional planning .......................18 2.3.1 Coordination beyond Group boundaries ................................................ 18 Annex A: Regional response concept papers .................................................66 2.3.2 Other opportunities for inter-regional planning ................................ 18 Bay of Plenty CDEM Group Tairāwhiti CDEM Group 2.4 Response outcomes ..............................19 Hawke’s Bay CDEM Group 2.5 Response planning considerations ...21 Manawātu / Whanganui CDEM Group Wellington CDEM Group p 3 Introduction l Manawatū-Whanganui CDEM Group l Horizons Regional Council The National Disaster Resilience Strategy (NEMA, 2019) l Palmerston North City Council seeks to identify and understand risk scenarios (including l Horowhenua District Council the components of hazard, exposure, vulnerability l Manawatū District Council and capacity), and use this knowledge to inform l Rangitikei District Council decision-making. This toolbox seeks to build a greater l Ruapehu District Council understanding of a Hikurangi earthquake and tsunami risk l Tararua District Council scenario - to ultimately inform regional response planning l Whanganui District Council and decision-making in response to this significant threat. l Wellington CDEM Group The toolbox has used a credible magnitude 8.9 earthquake and tsunami planning scenario, developed by GNS l Greater Wellington Regional Council Science as a tool, to understand the consequences of a l Wellington City Council large Hikurangi event (detailed in Volume I, Appendix A). l Hutt City Council The toolbox and its planning outputs are not exclusive to l Porirua City Council the credible scenario but are intended to be scalable to a l Upper Hutt City Council range of scenarios on the Hikurangi subduction zone. l Kāpiti Coast District Council l Masterton District Council The term ‘a large Hikurangi event’ is used in this toolbox l Carterton District Council to describe the credible scenario, and variations of this l South Wairarapa District Council scenario, which would lead to a catastrophic disaster in Aotearoa New Zealand. Catastrophic disasters are widespread in their devastation, and defined as overwhelming the capacity of local communities, and Figure 1.0 local and national organisations to respond to an event The five Civil Defence (HBCDEM, 2019). This toolbox therefore seeks to provide Emergency Management (CDEM) Groups involved a suite of resources to aid regional response planning to in the Hikurangi Response manage the consequences of such an event. Planning (HRP) Project. The toolbox has been primarily developed for the five Civil Defence Emergency Management (CDEM) Groups likely to be the first and most impacted by a large Tairāwhiti Hikurangi event (Figure 1.0). These Groups include: Bay of Plenty l Bay of Plenty CDEM Group l Bay of Plenty Regional Council l Kawerau District Council l Ōpōtiki District Council l Rotorua Lakes Council l Tauranga City Council l Western Bay of Plenty District Council l Whakatāne District Council l Tairāwhiti (Gisborne) CDEM Group Hawke’s Bay l Gisborne District Council Manawatu Wanganui l Hawke’s Bay CDEM Group l Hawke’s Bay Regional Council l Napier City Council l Central Hawke’s Bay District Council Wellington l Hastings District Council l Wairoa District Council p 4 The consequences of a large Hikurangi event will stretch Audience wider than one CDEM Group’s boundaries. This toolbox therefore seeks to encourage inter-regional planning where This toolbox has been designed primarily for CDEM appropriate to enhance the effectiveness of response Groups in New Zealand, with the purpose of informing to a large Hikurangi event. Although developed for the regional response planning for a large Hikurangi event. five CDEM Groups above, the content in this toolbox is With adaptation, resources within this toolbox are also applicable and adaptable to all CDEM Groups, response applicable to: agencies, organisations and communities in Aotearoa, New Zealand at risk from a large Hikurangi event. l CDEM Group partner organisations Two volumes are included in the toolbox, outlining the l The National Emergency Management Agency risk posed by the Hikurangi subduction zone and regional (NEMA) and the National Crisis Management Centre response planning considerations. The Regional Response (NCMC) Concept Papers (Annex A) provide further detail regarding l Central Government agencies (including all how the five CDEM Groups (Figure 1.0) involved in the emergency services, the New Zealand Defence development of this toolbox may respond to a large Force (NZDF), health and disability services, Hikurangi event. welfare service agencies, and transport, energy and telecommunications regulating agencies involved in Scope the response). Consideration of the impacts and consequences of l Tangata whenua a credible magnitude 8.9 Hikurangi subduction zone l Crown owned entities earthquake and tsunami planning scenario on the five l Lifeline utilities (particularly national service CDEM Groups (Figure 1.0) involved in the Hikurangi providers serving more than one CDEM Group area) Response Planning Project is in scope for this project. and the FMCG sector Due to the impact of a large Hikurangi event on all of l Private sector organisations Aotearoa New Zealand, the toolbox does consider that involved in response and recovery other CDEM Groups may not be able to support the five l Non-government organisations (NGOs) CDEM Groups involved in the development of this toolbox. involved in the response and recovery The toolbox does not consider likely impacts on, or l All science research entities (including Crown response arrangements in CDEM Groups not included in Research Institutes (CRIs) and universities with the Hikurangi Response Planning project. interests or intention to be involved in, support or CDEM Groups not involved in the development of this study community and managed responses to a large toolbox are encouraged to use this toolbox, where Hikurangi event). applicable, to develop their own regional response plans for this event. Geographical Context The toolbox is not a national plan, nor an all of New Zealand plan or a multi-agency plan. The toolbox does not A large Hikurangi event