Impact of Washed-Away Buildings on Structural Damage in the Fire-Affected Area of the 2024 Noto Peninsula Earthquake

Key Points

• This study aims to clarify the effects of washed-away buildings on structural damage in a tsunami-affected area following the Noto Peninsula earthquake.
• Conducted local field surveys in fire- and tsunami-affected areas.
• Performed numerical analysis of tsunami flooding and building damage.
• Simulated drifting scenarios to assess the impact of washed-away buildings over time.
• Collision forces are approximately three times greater when accounting for washed-away buildings.
• Increased fluid forces during tsunami calculations were confirmed.
• Drifting behavior of washed-away buildings varies significantly based on the timing of their loss.
• Instances of drifted buildings colliding with other structures, potentially aiding fire spread, were observed.