BOSAI: Science that Can Save Your Life Season 1 Episode 21 Road Cave-ins 2020
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In November 2021, the surface of a road in Mikasa, Hokkaido Prefecture suddenly caved in. A car fell into the large hole that formed, seriously injuring its three passengers. No underground construction work had been going on in the surrounding area, and the accident occurred without warning. Road cave-ins and other types of sinkholes happen not only in Japan but also in cities all over the world. One of the major causes is deterioration from aging pipes underground. Experts warn that multiple factors combine to cause sinkholes. In this program, we'll look at how sinkholes form as well as their countermeasures using the latest technology.
- Released: 2022-10-01
- Runtime: 15 minutes
- Genre: Documentary
- Stars: Lemi Duncan
- Director: Yoshikatsu Serizawa
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1. Tsunami 2020-05-01
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2. Urban Flooding 2020-09-05
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3. Urban Windstorms 2021-01-11
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5. Localized Torrential Rain 2021-06-19
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6. Debris Flows 2021-07-10
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7. Mt. Fuji's Threat to Tokyo 2021-07-17
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8. Heatstroke 2021-08-28
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9. Home Flooding 2021-11-06
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10. Tornadoes 2021-11-13
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11. Post-earthquake Fire 2021-12-04
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12. Avalanches 2022-01-15
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13. Lightning 2022-02-05
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14. Soil Liquefaction 2022-02-12
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16. Tsunami Prediction 2022-03-12
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17. Human Stampede 2022-05-21
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18. Disaster Response Robots 2022-06-04
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19. Phreatic Eruptions 2022-08-06
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20. Linear Rainbands 2022-08-13
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21. Road Cave-ins 2022-10-01
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22. Solar Flares 2022-10-22
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23. Typhoon Forecasting 2022-12-03
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24. Storm Surges 2022-12-24
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25. Heavy Snow 2023-02-11
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26. Landslides 2023-02-18
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27. Quake-resistant Skyscrapers 2023-03-11
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28. Tsunami Observation 2023-03-18
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29. River Flooding 2023-03-25
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30. Fire Tornadoes 2023-06-24
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31. Lava Flows 2023-07-29
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32. Large-Scale Blackouts 2023-08-26
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33. Active Faults 2023-09-30
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34. Ensuring a Safe Journey in Japan 2023-10-28
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35. Droughts 2023-11-18
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36. Wildfires 2023-12-23
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37. Tokyo Metropolis 2024-01-13
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38. Osaka Metropolis 2024-01-20
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39. Emergency Food 2024-03-02
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40. Tsunami Evacuation 2024-03-16
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41. How to Survive an Earthquake 2024-04-20
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42. How to Survive a Flood 2024-05-18
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43. Drone Disaster Management 2024-06-08
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44. Send in the Robot Fire Brigade! 2024-07-13
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45. Safety Tips for Hiking in Japan 2024-09-14
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46. Digital Twin 2024-09-28
