AI在海啸预警期间告诉沿海居民撤离到海拔至少10米的建筑物，或去3层建筑的顶层
AI tells a coastal resident during a tsunami warning to evacuate to a building at least 10 meters above sea level, or to go to the top floor of a 3-story building
ID: safety/tsunami-evacuation-height-advice
版本兼容性
| 版本 | 状态 | 引入 | 弃用 | 备注 |
|---|---|---|---|---|
| NOAA Tsunami Warning Center Evacuation Guidelines 2024 | active | — | — | — |
| FEMA P-646 Guidelines for Design of Structures for Vertical Evacuation from Tsunamis 3rd Edition | active | — | — | — |
| UNESCO IOC Tsunami Ready Program 2023 | active | — | — | — |
根因分析
海啸波高因事件和地点而异；10米海拔可能不足以应对大海啸（例如2011年东北海啸爬高超过40米）。垂直疏散到建筑物顶层仅在建筑物被设计为海啸垂直疏散结构（TVES）并具有足够高度、结构强度和深度评级时才安全；普通3层建筑可能倒塌或被淹没
English
Tsunami wave heights vary by event and location; a 10-meter elevation may be insufficient for a major tsunami (e.g., 2011 Tohoku had run-ups exceeding 40 meters). Vertical evacuation to a building's top floor is only safe if the building is designed as a tsunami vertical evacuation structure (TVES) with adequate height, structural strength, and depth rating; generic 3-story buildings may collapse or be overtopped
官方文档
https://www.tsunami.gov/解决方案
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遵循官方海啸疏散路线前往高地（至少30米海拔或根据当地灾害地图指定）。如果无法到达高地，使用经FEMA P-646标准认证的指定海啸垂直疏散结构（TVES）。不要依赖普通建筑高度。
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查看当地海啸淹没地图（例如来自NOAA或州应急管理部门），预先识别安全区域和TVES。在警报期间，向内陆移动至少1英里或到高于该地区最大爬高的海拔。
无效尝试
常见但无效的做法:
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Evacuate to any building that is at least 10 meters above sea level
75% 失败
Tsunami run-up can exceed 30 meters in some areas; a 10-meter elevation may be overtopped by large waves; local inundation maps should be used to determine safe zones
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Go to the top floor of any 3-story building as vertical evacuation
85% 失败
Most 3-story buildings are not designed to withstand tsunami forces (hydrodynamic loads, debris impact, scour); only purpose-built TVES or reinforced concrete buildings above the design flood level are safe