{
  "id": "emergency/tsunami-vertical-evacuation-misconception",
  "signature": "AI tells coastal residents to 'evacuate to high ground' during a tsunami, but vertical evacuation in reinforced concrete buildings (above 3rd floor) is a valid alternative if high ground is far away",
  "signature_zh": "AI告诉沿海居民在海啸期间'撤离到高地'，但如果高地距离较远，钢筋混凝土建筑的垂直撤离（3层以上）是有效的替代方案",
  "regex": "(?i)(tsunami|seismic wave) (evacuate|evacuation) (high ground|higher ground) (only|must|always)",
  "domain": "emergency",
  "category": "life_safety",
  "subcategory": null,
  "root_cause": "The AI omits vertical evacuation as a recognized strategy for tsunamis when horizontal evacuation is impossible; many coastal areas have designated vertical evacuation structures, and climbing to 3rd+ floor of a reinforced concrete building can save lives",
  "root_cause_type": "generic",
  "root_cause_zh": "AI遗漏了垂直撤离作为海啸时无法水平撤离时的公认策略；许多沿海地区有指定的垂直撤离建筑，爬到钢筋混凝土建筑的3层以上可以挽救生命",
  "versions": [],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "In many coastal cities, high ground is kilometers away; traffic jams or blocked roads make it impossible. Vertical evacuation is faster and safer",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Trees are not structurally sound against tsunami debris and wave force; only reinforced concrete buildings with deep foundations are safe",
      "fail_rate": 0.95,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Ground floors are inundated by tsunami flow; water velocity can exceed 30 mph, causing drowning and debris impact. Vertical evacuation to 3rd+ floor is necessary",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "If unable to reach high ground within the evacuation time (typically 15-30 minutes after earthquake), move to the 3rd floor or higher of a reinforced concrete building. Avoid wood-frame structures. Stay away from windows and move to the side facing away from the ocean",
      "success_rate": 0.82,
      "how": "If unable to reach high ground within the evacuation time (typically 15-30 minutes after earthquake), move to the 3rd floor or higher of a reinforced concrete building. Avoid wood-frame structures. Stay away from windows and move to the side facing away from the ocean",
      "condition": "",
      "sources": []
    },
    {
      "action": "Identify pre-designated vertical evacuation structures in your area (e.g., tsunami-safe buildings marked with signs). Practice drills to reach these within 5 minutes of shaking stopping",
      "success_rate": 0.78,
      "how": "Identify pre-designated vertical evacuation structures in your area (e.g., tsunami-safe buildings marked with signs). Practice drills to reach these within 5 minutes of shaking stopping",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "If unable to reach high ground within the evacuation time (typically 15-30 minutes after earthquake), move to the 3rd floor or higher of a reinforced concrete building. Avoid wood-frame structures. Stay away from windows and move to the side facing away from the ocean",
    "Identify pre-designated vertical evacuation structures in your area (e.g., tsunami-safe buildings marked with signs). Practice drills to reach these within 5 minutes of shaking stopping"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.tsunami.noaa.gov/vertical-evacuation",
  "official_doc_section": null,
  "error_code": "TSUNAMI-EVAC-ERR-006",
  "verification_tier": "ai_generated",
  "confidence": 0.85,
  "fix_success_rate": 0.82,
  "resolvable": "partial",
  "first_seen": "2024-05-12",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}