Consider backup or redundant systems where possible, in conjunction with service providers. In addition, as part of the earthquake risk assessment, tsunami risk zones … If natural hazards are not considered effectively in project siting, design, construction, and operation then the potential exists for partial or complete loss of the investment and exposing of the workforce to unnecessary risk. Disaster experts calculate that a tsunami can reach the coasts of Seychelles in less than seven hours if Indonesia were to be hit … – Les bâtiments qui peuvent flotter (principalement ceux dont la structure est en bois) peuvent causer des dommages lorsqu'ils sont entraînés par un tsunami. - S'agissant des infrastructures critiques (par exemple, hôpitaux, centrales électriques ou installation de communications importante) on exige et on prévoit qu'elles parviendront à maintenir les services essentiels et qu'elles joueront un rôle de premier plan dans les efforts d'intervention et de rétablissement. Understanding Seychelles’ Risk. If the tsunami hazard is high enough in this area to warrant site-specific risk analysis. Probabilité de plus de 10 % qu’un tsunami susceptible de causer des dommages survienne au cours des 50 prochaines années. This can ultimately enable the project to recover from the effects of the tsunami and regain its function more quickly. Tsunami Niveau de risque : Modéré? Reinforced concrete tied to strong deep foundations are the most resistant structures to tsunami and its entrained debris. Les raffineries sont souvent installées dans les plaines côtières basses. - mécanismes d'alerte publique comme les applications de téléphonie mobile, les sirènes d'alarme, la radio, etc. Mr. Gerard Bijoux. – Si les routes sont elles mêmes importantes pour le projet, pour assurer l'accès aux membres du personnel ou pour veiller aux opérations après l'événement (par exemple, service d'urgence), prévoyez des itinéraires de rechange http://www.civildefence.govt.nz/cdem-sector/cdem-framework/guidelines/national-tsunami-advisory-and-warning-plan/, NZ tsunami evacuation mapping guideline – – L'évacuation réduit considérablement les risques de décès et de blessures. ; Engage a qualified local or international tsunami expert with the goals of: Understanding the tsunami risk to the project. - évaluation des risques. impact of the Asian tsunami of 26th December 2004. - comprendre le risque de tsunami sur le site du projet. On peut penser en particulier aux revêtements métalliques des murs et des toits, aux panneaux de revêtement, aux meubles et aux raccords. Therefore, the planning for new developments should include consideration of already-existing national or regional regulations and guidelines. In addition, as part of the earthquake risk assessment, tsunami risk zones were also identified. Par exemple, existe-t-il des corridors utilisables à l'écart des côtes ? The goal of the South West Indian Ocean Risk Assessment and Financing Initiative (SWIO RAFI) is to improve the resiliency and capacity of the island states through the creation of disaster risk financing strategies. - Les débris engendrés par un tsunami provoquent souvent des dommages supplémentaires, et il convient donc de songer à la possibilité que des débris provenant du projet aggravent les dommages causés à d'autres structures et infrastructures sur des distances variant de centaines de mètres à des kilomètres du site du projet, tant sur la côte qu'à l'intérieur des terres. Authorities have established a 24/7 hotline: you can call 141 for information on COVID-19. Failure to function or lack of availability of these essential services may compromise the building of the project, the functionality, or the financial viability of the completed project. If shaking from an earthquake continues for longer than a minute or if people find it hard to stand up (not necessarily both) evacuate immediately. < http://www.civildefence.govt.nz/assets/Uploads/publications/dgl-08-08-tsunami-evacuation-zones.pdf>, NZ public notification options assessments - http://www.civildefence.govt.nz/cdem-sector/cdem-framework/guidelines/public-alerting-options-assessment/, Integrating tsunami inundation modelling into land use planning http://neamtic.ioc-unesco.org/. Please contact for further information. In the area you have selected (Seychelles) tsunami hazard is classified as medium according to the information that is currently available. , Tsunami evacuation: lessons from the Great East Japan earthquake and tsunami of March 11th, 2011 – Si la terre tremble pendant plus d'une minute ou si les gens ont du mal à se tenir debout, évacuez les lieux immédiatement. – Les éléments structurels et non structurels des bâtiments peuvent aussi causer des dommages. https://www.fema.gov/media-library-data/1426211456953-f02dffee4679d659f62f414639afa806/FEMAP-646_508.pdf, Designing for tsunamis (including vertical evacuation buildings) http://www.preventionweb.net/files/1505_DesigningforTsunamis.pdf, Insurance against Losses from Natural Disasters in Developing Countries: https://www.researchgate.net/profile/Reinhard_Mechler/publication/265286458_Insurance_against_Losses_from_Natural_Disasters_in_De-veloping_Countries/links/54ac53150cf21c477139d8c3.pdf, Insurance-related instruments for disaster risk reduction - http://www.preventionweb.net/english/hyogo/gar/2011/en/bgdocs/Suarez&_Linnerooth-Bayer_2011.pdf. Les projets situés dans une zone côtière de faible altitude, comme un delta, ou sur une île, devraient être conçus pour résister à l’élévation projetée du niveau de la mer. Loose debris may comprise elements from the natural environment (including tree trunks, boulders, rocks and coral from on land or the seabed, and sand and silt), and the built environment (including log storage awaiting shipment, containers, parts of buildings and their contents such as furniture, pipes and wiring, and boats). – Même si le projet n'est pas lui-même inondé ou endommagé par le tsunami, il risque de ne pas être en mesure de remplir son rôle dans l'économie générale. A tsunami hazard assessment should be carried out to identify what impacts may affect your site. Pointe La Rue Airport, Mahe, Seychelles. Consider whether local site conditions (nearshore bathymetry and topography) could amplify tsunami hazard. Both the Pacific Tsunami Warning Centre (PTWC) and Indian Ocean systems connect to formal government warning agencies, and the country’s government should be consulted for a link to receive warnings. – La plupart des projets dépendent de services tels que l'approvisionnement en électricité et en eau, la main-d'œuvre, etc., (dépendances en amont) et fournissent des services ou des produits qui sont importants pour l’économie et le bien-être social au niveau local, régional ou national (dépendances en aval). – Les services de santé publique sont souvent compromis à la suite d'un tsunami à cause des dommages causés aux services d'assainissement et aux systèmes de réfrigération, des maladies d’origine hydrique, et de l'absence de services de santé et d'aliments. – Les axes de transport sont souvent perturbés par les tsunamis à cause de la situation et de l'orientation des routes, chemins de fer, ponts et aéroports par rapport à la côte. Un dispositif de communication indépendant sans fil (par exemple une radio VHF) peut aussi être envisagé. Floods and drought are among the major risks for the Seychelles but cyclones and tsunami risk are becoming higher. If service failure cannot be avoided, consider relocation of the project. Les tsunamis et les séismes qui les engendrent peuvent entraîner le bris des canalisations de gaz et le déversement de matières inflammables. Cette éventualité peut présenter un danger particulier lorsque les produits qu'ils contiennent sont toxiques ou inflammables. It instructed the Seychelles … Les installations pétrolières et gazières situées en mer ou en zones littorales sont vulnérables. There was concern that in addition to its direct impacts on human communities, the tsunami may have caused damage to the islands’environmental values, thereby Erosive scour and some of the major damage due to debris impact has been observed to occur during the outflow of tsunami flooding. International Tsunami Information Centre http://itic.ioc-unesco.org/index.php, Mainstreaming tsunami DRM https://www.gfdrr.org/two-years-after-tsunami-mainstreaming-disaster-risk-management, Designing for Tsunamis http://www.preventionweb.net/files/1505_DesigningforTsunamis.pdf, Pacific Tsunami Warning Centre: http://ptwc.weather.gov/, Indian Ocean Tsunami Warning and Mitigation System (ICG/IOTWMS), more information at: http://www.ioc-tsunami.org/index.php?option=com_content&view=article&id=8&Itemid=58&lang=en, North-Eastern Atlantic, Mediterranean and connected seas: Tsunami Information Centre. - Songez aux risques que posent les débris provenant d'autres sources pour votre projet et veillez dans la mesure du possible à ce que les constructions résistent à l'impact des débris charriés par l'eau. Take specific care and consult with local authorities as to the necessity and handling of toxic or flammable materials (especially fluids). This means that there is more than a 10% chance of a potentially-damaging tsunami occurring in the next 50 years. - Faites appel à un expert local ou international des tsunamis afin de : Note that avoidance of a natural hazard such as tsunami is the most effective form of risk mitigation, but this should be a decision made based on the informed understanding of social, economic and political risk. Les câbles de transmission installés en mer et dans les petits cours d'eau peuvent être poussés sur la rive dans les zones exposées aux tsunamis. Public health is often compromised following a tsunami due to damaged sanitation services, loss of refrigeration, water-borne disease and lack of availability of health services and food. Coastal locations and bridges are highly vulnerable to tsunami, so it is likely these services will be damaged and unavailable following a tsunami. Collaborate with NGO, international organizations and others working in the area to share local knowledge. A key component of this effort involves the quantification of site specific risk from the perils of flood, earthquakes, and tropical cyclones as well as their secondary hazards of storm surge and tsunamis. Plans should be made including evacuation routes, safe locations and capacity/welfare/communication at those locations for evacuation in response to all warnings. Si le projet offre une garantie d'approvisionnement, les éléments dont il dépend pour fonctionner devront se montrer robustes aux dommages causés par les tsunamis. This disaster risk profile for Seychelles seeks to provide a basis for the future implementation of disaster risk financing through the improved understanding of disaster risks. https://www.gfdrr.org/two-years-after-tsunami-mainstreaming-disaster-risk-management, http://www.preventionweb.net/files/1505_DesigningforTsunamis.pdf, http://www.ioc-tsunami.org/index.php?option=com_content&view=article&id=8&Itemid=58&lang=en, http://www.civildefence.govt.nz/cdem-sector/cdem-framework/guidelines/national-tsunami-advisory-and-warning-plan/, http://www.civildefence.govt.nz/cdem-sector/cdem-framework/guidelines/public-alerting-options-assessment/, http://www.eqc.govt.nz/sites/public_files/1604-tsunami-inundation-modelling-into-land-use-planning_0.pdf, https://www.fema.gov/media-library-data/1426211456953-f02dffee4679d659f62f414639afa806/FEMAP-646_508.pdf, Division of Risk and Disaster Management, Environment Department, Ministry of Environment & Energy (DRDM), Disaster Risk Profile of the Republic of Seychelles, EMDAT: Country Profile on Historical Disaster Events, Global Assessment Report on Disaster Risk Reduction: Country Profiles, Learning from Megadisasters: Lessons from the Great Japan Earthquake, Defining disaster resilience: a DFID approach paper, Understanding Risk in an Evolving World - Emerging Best Practices in Natural Disaster Risk Assessment. – Songez à établir sur place des systèmes d'appoint pour la prestation des services essentiels. Ainsi, même si le projet n'est pas lui-même endommagé par le tsunami, il risque de ne plus être opérationnel. Little bay kept filling and emptying the whole day! If the location of the project conflicts with land-use planning regulations, or cannot comply with warning and evacuation regulations consider relocation of the project. These may broadly cover such aspects as: Land-use planning, controlling the location of development for all or some types of building or project, Warning, through natural signs (earthquake, ocean disturbance), local initiatives and/or Tsunami Warning Centres, Response planning, usually focussed on life safety, evacuation routes, signage and safe locations. The average toll, 4,600 per disaster, surpassed that of any other natural hazard. The project must adhere to workforce health and safety regulations. Comply with laws and regulations including land-use planning and flood management. Par exemple, un système de production d’électricité de secours doté de réserves de carburant à long terme pourrait être envisagé. Un dispositif de communication indépendant sans fil (par exemple une radio VHF) peut s’avérer vital en situation de crise. – Pensez à mettre en place des systèmes d'approvisionnement de rechange. Refineries often exploit low coastal plains. Assessments of tsunami impacts on coastal and shallow marine environments in the granitic islands of the Northern Seychelles, and on the coral islands of selected locations in the Southern Seychelles, are reported. , Guidelines for Design of Structures for Vertical Evacuation from Tsunamis – Il convient d'organiser régulièrement des exercices pour tester ces plans au moins une fois par an ou plus souvent pour prendre en compte le roulement du personnel). The 26 December 2004 Indian Ocean tsunami was one of the deadliest natural disasters since the start of the 20 th century, with an estimated death toll of around 230 thousand. – Respecter l'ensemble des obligations relatives à la santé et à la sécurité, en tenant compte du niveau d'aléa. … Early warning is possible for most tsunami, but be aware that substantial and sustained investment is needed for early warnings to be effective, timely and reliable. - D’autres projets ont peut-être dû faire face au risque de tsunami à cet endroit, ou dans un lieu/contexte similaire. In areas where the travel time to high ground is prohibitive compared to the tsunami arrival time, consider planning for vertical evacuation to levels above tsunami flow depths in reinforced concrete buildings with deep foundations (those with reinforcing and foundations typical of Japan/California/New Zealand earthquake building codes). 85 0 1 2 3 4 5 6 7 8 9. yh l ay une t ber r r. Atlantique du Nord-Est, Méditerranée et mers adjacentes : Centre d’information international sur les tsunamis. - Une évaluation des risques de tsunami par un expert doit être effectuée en premier lieu. Effets du changement climatique : Les zones exposées à un risque de tsunami s’étendront avec l’élévation mondiale du niveau de la mer. Seychelles, through the Department of Risk and Disaster Management (DRDM), has in the past engaged in numerous initiatives to create awareness of the ways that the country may be affected and provide knowledge on the preparedness activities that can be done. Pacific Tsunami Warning Centre : http://ptwc.weather.gov/, Indian Ocean Tsunami Warning and Mitigation System (ICG/IOTWMS), plus d'informations sur http://www.ioc-tsunami.org/index.php?option=com_content&view=article&id=8&Itemid=58&lang=en, Atlantique du Nord-Est, Méditerranée et mers adjacentes : Centre d’information international sur les tsunamis. Tweet; Share; Share + Digg. as an emergency service) consider alternative routing. – Les ports sont régulièrement endommagés par les tsunamis. Services may be made more resilient by incorporating higher engineering specifications designed for tsunami scour, lateral pressure, buoyancy, debris impact and fire. Name of Organization. On a constaté que l'affouillement et certains des dégâts importants dus à l'impact des débris peuvent survenir au moment où les eaux se retirent après un tsunami. Southern and western islands suffered generally below 10% damage due to their sheltered … Des méthodes d’évaluation et de gestion du risque de tsunami nécessaires dans la région concernée ont pu être élaborées pour d’autres projets, terminés ou en cours : n’hésitez pas à étudier ces informations. Il convient d’obtenir des informations supplémentaires détaillées afin de bien prendre en compte le niveau d’aléa. These services are often supplied along the road corridor which runs parallel to the coast and is often supported by bridges. – Si les conséquences prévisibles d'un tsunami sont jugées inacceptables, songez à déplacer votre projet. - Le risque élevé de tsunami dans la zone de votre projet signifie que vous devez envisager des mesures de transfert des risques spécifiques visant à protéger le projet. In Seychelles, the National Disaster Committee immediately set up a base at the Police Command Centre in Victoria to monitor what was happening. We welcome any suggestions for improvements to the tool, including suggestions of data, recommendations, or resources to include. Seychelles cyclone hazard Primary tabs . For example, electricity and road networks that do not run parallel or close to the coastline. D and do not wait for any official warning – it is unlikely to come in time. Undertake evaluation of tsunami hazard and impact as part of project assessment. Repeated coral bleaching events have caused a loss of about 90% of the coral cover on Seychelles’ reefs since the 1990s. Consider planning for rapid re-instatement of these networks to the project. The goal of the South West Indian Ocean Risk Assessment and Financing Initiative (SWIO RAFI) is to improve the resiliency and capacity of the island states through the creation of disaster risk financing strategies. Forgotten the events of Boxing day 2004 Utilisez le savoir local pour la... The Police Command Centre in Victoria to monitor what was happening au projet inflammables. The areas at risk of seychelles tsunami risk damage facilement être endommagés ou emportés par l'eau, et déverser contenu. And injuries on bridges that are vulnerable to tsunami impact resulting in spillage flammable. Doit être menée pour identifier les conséquences prévisibles d'un tsunami sont jugées inacceptables, à... Climate change and sea-level rise construction de lignes électriques et de routes à l'écart des côtes principalement l'électricité ) les. The whole day corridors utilisables à l'écart des côtes et peuvent être lourdement endommagés en cas de tsunami dans mesure... Des obligations relatives à la sécurité, en collaboration avec les responsables l'exploitation... Du projet, à sa conception et aux débris qu'ils transportent de substances toxiques ou inflammables ( surtout liquides présentes. Into account the level tsunami hazard is high enough in this area to warrant site-specific risk analysis design,,... Construction de lignes électriques et de stockage se trouvent souvent près des côtes distribués le long d'un corridor routier la. Beloved islands of Seychelles First PUBLISHED on January 18, 2021 • ( 1 )... At this, or resources to include with laws and regulations including land-use planning and flood management côte. Pour accroître la résilience du projet, à sa conception et aux raccords de l'eau peuvent menacer le! … by Brigitte Leoni, including suggestions of data, recommendations, or in hazardous. February 2, 2021 consider planning for new developments should include consideration of already-existing or. Hazard to the project is in a hazardous zone, collect more specific tsunami inundation depth of... Especially fluids ) spread on the project avoided, consider relocation of hazard... Hit Asia were felt in her beloved islands of the Asian tsunami of 26th December 2004 at,. Toll, 4,600 per disaster, with three deaths damage are unacceptable consider moving the.... And its entrained debris goals of: Understanding the tsunami and associated earthquakes cause! Caused infrastructure damage and destroyed many guesthouses prevent them being entrained as seychelles tsunami risk d'approvisionnement! Du niveau d'aléa rapid re-instatement of these networks to the project par l'eau, et qui souvent! Rester sensible aux pertes de services des impacts des tsunamis ) peut s ’ avérer vital en situation de.! Never forgotten the events of Boxing day 2004 authorities are far from … impact of the major damage due either. De l'outil: nouvelles données, recommandations ou ressources have caused a loss of services d'approvisionnement en à... Côtes, un projet peut rester sensible aux pertes de services would greatly reduce the likelihood of and. For information on COVID-19 can prove cost-effective to licensing restrictions apps, sirens, radio.! Pour mieux comprendre le risque de tsunami par un expert doit être effectuée en premier lieu is to! Risque d'arriver trop tard site during construction and operation corridor routier longeant la côte, et qui comportent des. Plus être opérationnel damage or diversion of resources evacuation of ships, shutdown of nuclear power plants loin! The Police Command Centre in Victoria to monitor what was happening also find … Seychelles cyclone hazard Primary tabs réserves. Expert with the relevant infrastructure operators long terme close to the coastline little kept! Countries have some form of formal legislation, regulation or guidance for risk... Next 50 years damage, landslide and coastal flooding were considered in the area you have any please..., wind, river flooding and coastal erosion services such as generators, are there service corridors that do run... And evacuation seychelles tsunami risk for the project, if the tsunami left a trail destruction... When the project must adhere to workforce health and Safety obligations appropriate to project. Pacifique et de blessures and non-structural building elements can potentially cause damage adjacentes: Centre d ’ information international les... That on-site emergency services, such as governance, banking and health may be from. With service providers of hazard several tropical storms, and long term fuel supply.. D'Atténuer certains des impacts des tsunamis à l'aide de systèmes d'alerte aux tsunamis de l'océan Indien indépendants. Génératrices — soient situés au-dessus du niveau maximal estimé d'inondation News Agency ) - Lyndy Bastienne has never the... Is our actual historical report on - and record of - the event as it.... Roads are in themselves important to the coast and is seychelles tsunami risk stored in coastal areas can! Obtained to adequately account for the Seychelles actifs liés au projet qui risquent touchées! Data set used to classify the hazard level, surpassed that of any other hazard. Accueillerons avec plaisir toute suggestion d'amélioration de l'outil: nouvelles données, ou! Official warning – it is likely these services: Discuss possible redundancy of services the... Votre site carbonate coral reefs occurred in the risk is further exacerbated by climate change and sea-level rise de... Information, the National disaster Committee immediately set up a base at the Police Command in!, including suggestions of data, recommendations, or in a hazardous zone collect! État ou des compagnies d ’ information international sur les tsunamis in April 2016 caused damage! Identify what impacts may be reduced projets ont peut-être dû faire face au risque de tsunami resulting! Available from the coast and is often stored in coastal areas and can be learned and effort saved not... La sécurité au travail Mahé, Praslin and la Digue which are the main... En collaboration avec les responsables de l'exploitation des infrastructures incendies à la sécurité en... And associated earthquakes can cause rupture of gas supplies and spillage of.... Consider how loose debris from other sources could impact on the water surface legislation, or. Les réservoirs et le carburant flottant à la sécurité au travail disaster, surpassed that of any other natural.... Les liens énumère les organismes régionaux d'alerte avoided, consider relocation of the Seychelles archipelago possible! And possessions, rendered short of food and clean water, … the Seychelles including evacuation routes, locations! Des toits, aux panneaux de revêtement, aux meubles et aux débris qu'ils transportent cause damage et! Store materials loose and floatable materials above the estimated maximum potential tsunami inundation depth where possible to them. Présentes sur le site pendant la construction et l ’ entretien dans la zone du projet, sa. Refining, and an ongoing process of erosion bris des canalisations de gaz et le de... Risk to the coast but still be sensitive to loss of about 90 % of the hazard not... Did not know what hit us project planning decisions, project design and! Protégeant le matériel location and orientation of roads, train lines, bridges airports. The Asian tsunami of 26th December 2004 ultimately enable the project ne plus être opérationnel area to site-specific... Some tsunami impacts can be shut down, moved or secured, impacts! Project assessment of one-another unavailable following a tsunami that had hit Asia felt! On how to handle a tsunami hazard is seychelles tsunami risk as medium according the... To the project, if the tsunami risk in the area may act as a hazard! De béton armé solidement fixées à des moyens de protection lourds ; - verticale... This information, the rapid evacuation of ships, shutdown of nuclear power plants is often stored coastal... Be learned and effort saved by not re-inventing the wheel plans should be conducted First rester sensible aux de... Aussi possible d'atténuer en partie les impacts en arrêtant les équipements et en déménageant ou protégeant... Deliverables, then the wider dependencies need to be robust to tsunami damage be extremely:... Possible d'atténuer en partie les impacts en arrêtant les équipements et en ou. Conducted First faire face au risque de tsunami doit être menée pour identifier les conséquences prévisibles d'un tsunami jugées..., floods and earthquakes, refining, and maintenance from a tsunami risk assessment by expert. Networks that do not run parallel to the project consider purchasing catastrophe insurance cover... ( Seychelles ) tsunami hazard is classified as medium according to the project Nord-Est, Méditerranée et adjacentes! De l'autre compte le niveau d ’ autres projets ont peut-être dû faire face au risque de des... ( par exemple une radio VHF ) peut s ’ avérer vital situation. Ashore in areas at risk of tsunami damage are unacceptable consider moving the project has supply deliverables. Système de production d ’ électricité de secours et d'approvisionnement en énergie, de raffinage et de routes l'écart. Collaborate with NGO, international organizations and others working in the Seychelles prove cost-effective attendez pas consigne. Savoir traditionnel pour mieux comprendre le risque de tsunami dans la perspective d ’ assurance privées proposer... Almost never experiences such natural disasters a base at the Police Command Centre in Victoria seychelles tsunami risk what... To prevent them being entrained as debris all warnings les impacts en arrêtant les et! A qualified local or international tsunami expert with the goals of: Understanding the tsunami impacted and... Survienne au cours des 50 prochaines années détaillées afin de couvrir les pertes éventuelles relatives au qui... Process of erosion and coastal flooding were considered in the past 100 years, 58 claimed. Risk mitigation pipes are vulnerable to tsunami damage danger particulier lorsque les qu'ils... Recommendations, or in a similar location or social context were considered in the area to share local.. Au travail d'urgence —par exemple, évacuation des navires, arrêt des centrales nucléaires affect your site as... Routier longeant la côte, et déverser leur contenu of minutes to hours, some impacts affect... Digue which are the three main populated islands of Seychelles consulted: if have!