Evaluation of the Effectiveness of a Real-Time Flood Inundation Estimation Tool Through Case Studies Utilizing Social Media Images During Disasters

Key Points

• To evaluate a real-time flood inundation estimation tool that uses social media images for rapid assessment during disasters.
• Developed a prototype web-based tool for immediate flood estimation using social media images and videos.
• Applied the tool to case studies of flooding incidents in Akita and Wajima cities.
• Compared estimation results with on-site survey data for validity.
• Immediate estimation results were published on a disaster prevention research website.
• The validity of the estimation tool was confirmed through comparison with local survey data.
• The tool showcases potential for improving disaster response timeliness.