5:15 PM - 6:45 PM
[HDS10-P05] Disaster risk assessment of cultural heritage sites using the Cultural Heritage Disaster Prevention Map
Keywords:Disaster prevention of cultural heritage, Estimating damage to cultural heritage in disasters, Cultural heritage disaster prevention map, Disaster risk assessment of cultural heritage
In the event of a natural disaster, various cultural heritage sites, such as local cultural assets and historical relics, as well as individuals and societies in the affected area, are at risk. Relief and support for damaged cultural heritage has been a focus of attention in recent disasters, but in many cases, cultural heritage is lost as priority is given to lifesaving and rebuilding the lives of those affected immediately after a disaster. Cultural heritage also needs to be addressed as quickly as possible, taking care not to impede the restoration of the affected areas. In this report, we will use the Cultural Heritage Disaster Prevention Map created by Online Maps to estimate the damage to cultural heritage sites in the event of a disaster, to speed up cultural heritage relief and to visualise disaster risks to cultural heritage sites in normal times.
The cultural heritage map was initiated based on the experience of the Great East Japan Earthquake of 2011. In the event of a large-scale disaster, it is often impossible to obtain local information in heavily damaged areas due to the blockage of transport and information networks. Therefore, we have constructed a cultural heritage disaster prevention map on which information on various cultural heritage sites, including information on cultural properties designated by the national and local governments, is registered in advance on an online map, so that when a disaster occurs, the damage information transmitted by the relevant authorities can be superimposed to estimate the damage to cultural heritage sites from outside the affected area. At the present stage, we are building a cultural heritage disaster prevention map using the “e-com map” as a platform, sorting icons according to the type of cultural heritage and registering location information. In addition, in order to curb destruction and theft of cultural heritage in the event of a disaster, we are managing viewers using IDs/passwords.
In the Noto Peninsula Earthquake of 1 January 2024, the location information of cultural heritage sites designated by the national and prefectural governments was superimposed on the estimated seismic intensity distribution, and a list of cultural heritage sites in areas with an intensity of 5 or more, which could cause damage to buildings, was compiled. The list includes approximately 1,500 cultural properties in the three affected prefectures of Ishikawa, Toyama and Niigata as of 9 January. Although this is only a preliminary list, it is predicted that a large number of cultural heritage sites were damaged by the earthquake, and the data will be shared with the relevant authorities so that it can be utilised for the relief of damaged cultural heritage.
As described above, while information on the damage to cultural heritage is quickly estimated, the Cultural Heritage Disaster Prevention Map cannot be effective unless it is positioned in the context of cooperation between the parties and organisations concerned in order to quickly rescue cultural heritage that has actually been damaged. To this end, it is necessary to carry out advance disaster management activities using the cultural heritage disaster prevention map, and from 2023, the Iwate Prefectural Museum has used the cultural heritage disaster prevention map from this study to produce an Iwate Prefecture version of the cultural heritage disaster prevention map, as well as conducting a graphical drill for the rescue of damaged cultural heritage in the event of a disaster with the participation of cultural heritage professionals in the prefecture. . In this graphic drill, the location information of cultural heritage sites was superimposed on flood hazard maps, and the disaster risks approaching each site were examined. This not only visualises the disaster risks of cultural heritage, but also means that a wide-area cooperation system can be established for the purpose of rescuing cultural heritage before a disaster strikes.
The cultural heritage map was initiated based on the experience of the Great East Japan Earthquake of 2011. In the event of a large-scale disaster, it is often impossible to obtain local information in heavily damaged areas due to the blockage of transport and information networks. Therefore, we have constructed a cultural heritage disaster prevention map on which information on various cultural heritage sites, including information on cultural properties designated by the national and local governments, is registered in advance on an online map, so that when a disaster occurs, the damage information transmitted by the relevant authorities can be superimposed to estimate the damage to cultural heritage sites from outside the affected area. At the present stage, we are building a cultural heritage disaster prevention map using the “e-com map” as a platform, sorting icons according to the type of cultural heritage and registering location information. In addition, in order to curb destruction and theft of cultural heritage in the event of a disaster, we are managing viewers using IDs/passwords.
In the Noto Peninsula Earthquake of 1 January 2024, the location information of cultural heritage sites designated by the national and prefectural governments was superimposed on the estimated seismic intensity distribution, and a list of cultural heritage sites in areas with an intensity of 5 or more, which could cause damage to buildings, was compiled. The list includes approximately 1,500 cultural properties in the three affected prefectures of Ishikawa, Toyama and Niigata as of 9 January. Although this is only a preliminary list, it is predicted that a large number of cultural heritage sites were damaged by the earthquake, and the data will be shared with the relevant authorities so that it can be utilised for the relief of damaged cultural heritage.
As described above, while information on the damage to cultural heritage is quickly estimated, the Cultural Heritage Disaster Prevention Map cannot be effective unless it is positioned in the context of cooperation between the parties and organisations concerned in order to quickly rescue cultural heritage that has actually been damaged. To this end, it is necessary to carry out advance disaster management activities using the cultural heritage disaster prevention map, and from 2023, the Iwate Prefectural Museum has used the cultural heritage disaster prevention map from this study to produce an Iwate Prefecture version of the cultural heritage disaster prevention map, as well as conducting a graphical drill for the rescue of damaged cultural heritage in the event of a disaster with the participation of cultural heritage professionals in the prefecture. . In this graphic drill, the location information of cultural heritage sites was superimposed on flood hazard maps, and the disaster risks approaching each site were examined. This not only visualises the disaster risks of cultural heritage, but also means that a wide-area cooperation system can be established for the purpose of rescuing cultural heritage before a disaster strikes.