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 "description": "Red Evacuation Zone \u2013Shore Exclusion Zone: 0.2-1m threat level warningOrange Evacuation Zone: 1- 3m and3 \u20135m threat level warning \u2013500 year return period \u2013includes the Red Evacuation ZoneYellow Evacuation Zone: > 5m threat level warning \u2013\u201cworst scenario\u201d2,500 year return periodLegendThe definitions of the 3 tsunami warning / evacuation zones are generically described below.The Red ZoneMCDEM (2008) define the Red Zone as \u201ca shore-exclusion zone\u201d that can be designated off limits in the event of any expected tsunami. This represents the highest risk zoneand is the first place people should evacuate from in any sort of tsunami warning. People could expect \u2018activation\u2019 of this zone several times during their life.\u201dThe Red Zoneis to be evacuated in response to the 0.2\u20131 m threat level warning.The Orange ZoneMCDEM (2008) define the Orange Zone as \u201cthe area evacuated in most if not all distant- and regional-source official warnings\u201d (i.e., warnings that extend beyond the red zone, for tsunami from sources more than one hour of travel time away from the mapped location).The Orange Zone matches the 3\u20135m threat level warningand is to be evacuated in the event of either the 1\u20133m, or 3\u20135m threat level warning being issued (area inundated by a tsunami with a 500 year return period).The Orange Zone encompasses the Red Zone and care should be taken on the interpretation of these layers. In a situation that requires Orange Zone evacuation it is preferable to say \u2018Evacuate Orange and Red Zones\u2019, rather than \u2018Evacuate the Orange Zone\u2019 in order to avoid ambiguity.Coast Water Elevation 10.6 m at Cloudy Bay and at the Tory Channel; this is the doubled height (Powell 2013) to allow for run-up on top of MHWS (Tide levels for each Domain from LINZ).The Yellow ZoneMCDEM (2008) define the Yellow Zone as covering \u201cthe maximum credible tsunami, including the highest impact events.\u201d People should evacuate this zone in natural or informal warnings from a local source event.The Yellow Zone takes into account the worst cases from both modelling and known geological deposits and has been designed to encompass the area inundated by the tsunami with a 2,500 year return period at the 84% confidence level (Power 2013).The Yellow Zone is designed primarily for use as a self-evacuation zone in the event of a strongly felt earthquake (one that it is hard to stand up in) or a long duration earthquake (one that lasts for longer than one minute). The earthquake does not need to be both long and strong. In many cases it will be one or the other and making this clearly understood by the public is an education challenge. These earthquakes usually have a local source and if they generate a tsunami it will have a quite short arrival time for which immediate self-evacuation is necessary. The Yellow Zone should also be evacuated in an official warning for larger than the 3 \u2013 5 m threat level or in the case of a natural or informal warning where the potential wave height is unknown. While the Yellow Zone encompasses the Orange and Red zones, care should be taken on the interpretation of these layers. In a situation that requires Yellow Zone evacuation it is preferable to say \u2018Evacuate All Zones\u2019, rather than \u2018Evacuate the Yellow Zone\u2019 in order to avoid ambiguity.Coast Water Elevation at 22.8 m at Cloudy Bay and 25.0 m at the Tory Channel; this is the doubled height (Powell 2013) to allow for run-up on top of MHWS (Tide levels for each Domain from LINZ).",
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 "title": "Tsunami Inundation Risk GNS",
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 "accessInformation": "Acknowledgement\nGNS Science \u2013 Tsunami Evacuation Zone Boundary Mapping, Marlborough District Council; D Heron, C Mueller, B Lukovic, X Wang, W Power, M McSaveney \u2013 Consultancy Report 2015/73, June 2015\n\nDisclaimer\nThis GNS Report, and the resulting draft Tsunami Evacuation Zone Boundary Maps, has been prepared by the Institute of Geological and Nuclear Sciences Limited (GNS Science) exclusively for and under contract to Marlborough District Council. \nUnless otherwise agreed in writing by GNS Science, GNS Science accepts no responsibility for any use of or reliance on any contents of this report by any person or organisation other than Marlborough District Council and shall not be liable to any person or organisation other than Marlborough District Council, on any grounds, for any loss, damage or expense arising from such use or reliance.\nInformation Disclaimer\n\nThe information provided is made available under the local Government Official Information and Meetings Act 1987 (LGOIMA). \nCouncil is protected from liability for having provided this information by S41 of the LGOIMA.\nCouncil is not liable for any inaccuracies or errors in the information provided. \nThe information is deemed to be correct as of the date the information is made public and not beyond that date.\nThe information provided does not constitute a Land Information Memorandum or any similar document.",
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