【地震･洪水･土砂】八王子･立川など多摩地域の自然災害危険エリア

アノ街って天国⁉

10 Feb 202414:11

Summary

TLDRThis video discusses the safety of various regions in terms of natural disasters, highlighting the top 14 areas with high risk of earthquakes, floods, and landslides. The host aims to raise disaster awareness among viewers by detailing specific locations, such as Musashino City and Hachioji, outlining their vulnerabilities. The video also covers areas considered safer from such disasters. Emphasizing the importance of preparedness, it provides valuable insights into the disaster risks in different parts of the region.

Takeaways

🏠 The video script discusses the safety of living areas, focusing on the top 14 regions with high risks of natural disasters.
📊 Musashino City, Mitaka, and Kokubunji are highlighted as popular areas with high earthquake risks, being classified as earthquake alert level 5.
🌊 Flood risks are also significant, especially near the Tamagawa water purification plant where water depths of 0.5 to 3 meters are anticipated.
🚨 The script emphasizes the importance of disaster prevention awareness and preparedness for potential earthquakes and floods.
🛑 Fuchu City and Hino City are mentioned as areas with both earthquake and flood risks, with a significant portion of the city classified as earthquake alert level 5.
🏞️ Okutama is noted for its natural richness but also its susceptibility to landslides, with 13 out of 15 stations being in landslide warning areas.
🏥 Tachikawa City is recognized for its well-equipped disaster response facilities, including a hyper-rescue team and a disaster medical center.
🏘️ The script clarifies a common misconception about the Tachikawa fault line, stating that there is no fault line within Tachikawa City.
🌤️ Inochi-Oka, a popular living area, is identified as relatively safe with fewer disaster risks compared to other areas.
🌳 The video also introduces three safe areas: the north side of Hachioji Station, the area around Kugayama Station, and the area around Hama-Kozaki Station.
📉 The top three disaster-prone areas are identified as Hachioji, Fussa, and Chofu, with Chofu being particularly at risk due to its proximity to the Tamagawa River and high flood and earthquake alert levels.

Q & A

What is the main purpose of the video script?
-The main purpose of the video script is to raise awareness about the disaster risks in certain areas and to provide information that could help viewers enhance their disaster preparedness.
Which areas are mentioned as having a high risk of natural disasters in the script?
-The script mentions several areas including Musashino, Mitaka, Kokubunji, Hino, Tachikawa, Oume, and others, highlighting their risks of earthquakes, floods, and landslides.
What is the significance of the earthquake risk level mentioned in the script?
-The earthquake risk level indicates the potential intensity of earthquakes in the area, with level 5 being the highest risk. It helps residents understand the likelihood of experiencing severe earthquakes within 30 years.
What is the potential impact of an earthquake with a weak magnitude 6 on wooden structures?
-An earthquake with a weak magnitude 6 can cause significant damage to older wooden structures, potentially leading to collapses, especially in areas with higher risk levels.
Which areas are identified as flood risk zones in the script?
-Areas near the Tama River, such as those in the city of Mitaka, are identified as flood risk zones, with water depths ranging from 0.5 to 3 meters in most areas.
How does the script describe the risk of landslides in the areas mentioned?
-The script describes the risk of landslides as significant in certain areas, with a wide range of landslide disaster warning areas, especially in areas near rivers and steep slopes.
What is the significance of the 'Top 14' mentioned in the script?
-The 'Top 14' refers to a ranking of areas within a region that are considered to have the highest risks of natural disasters, aiming to draw attention to these areas for improved disaster preparedness.
What is the script's stance on the existence of the Tachikawa Fault?
-The script clarifies a common misconception by stating that there is no Tachikawa Fault within the city of Tachikawa. The fault, previously thought to be 33km long, was found to be only 12km long and renamed to the Hakonezaki Fault.
How does the script address the issue of disaster preparedness in high-risk areas?
-The script emphasizes the importance of disaster preparedness by providing detailed information on the types of disasters each area faces and suggesting that residents in these areas should be prepared for potential disasters.
What are the 'safe areas' mentioned in the script, and why are they considered safe?
-The 'safe areas' mentioned, such as the north side of Hachioji Station, the area around Kugayama Station, and the area around Hama-Kozaki Station, are considered safe due to their lower risk levels for earthquakes, floods, and landslides.

Outlines

00:00

🏠 Earthquake and Flood Risks in Residential Areas

The script introduces a ranking of the top 14 areas with high natural disaster risks, aiming to raise viewers' disaster awareness. It discusses the high earthquake risk in Mitaka, with a possibility of a magnitude 6+ earthquake within 30 years. The area is also at risk of flooding near the Tama River, though the potential damage is considered low. The script also mentions the high earthquake risk in Fussa and flood risks along the Tamagawa River, with extensive areas prone to landslides.

05:02

📊 Detailed Analysis of Disaster-Prone Areas

This paragraph delves into specific areas with high disaster risks. It highlights the earthquake and flood dangers in Kokubunji, the flood-prone areas in Higashimurayama, and the earthquake risks in Nishitokyo. The script also discusses the potential for landslides and the presence of flood-prone areas near the Tamagawa River. It emphasizes the need for disaster preparedness, especially in areas with high earthquake alert levels and flood risks.

10:05

🚨 Debunking Myths and Promoting Disaster Preparedness

The script corrects the misconception about the Tachikawa Fault, clarifying that it does not exist within Tachikawa city and has been renamed the Hakonezaki Fault. It emphasizes the importance of being prepared for earthquakes, despite the absence of the fault, as the area still faces a high risk of a magnitude 6+ earthquake. The ranking of disaster-prone areas continues with areas near the Tama River, such as Inagi and Machida, which face flood risks and are within high earthquake alert levels.

🏞️ Safe Areas Amidst Disaster-Prone Zones

The script introduces three safe areas that are less prone to earthquakes, floods, and landslides. These include the north side of Hachioji Station, the area around Kugayama Station, and the area around Hama-Kozaki Station. These locations are highlighted for their lower disaster risks, offering residents a sense of security amidst the broader context of disaster-prone zones.

🌊 High Risk of Flooding and Earthquakes in Certain Areas

The final part of the script discusses the top disaster-prone areas, including Hino, which is situated between the Tama and Asukagawa rivers, and Fuchu, which is near the Tachikawa and Okutama lines. These areas face high risks of flooding, with deep water levels expected during floods. Additionally, they are within high earthquake alert levels, emphasizing the need for residents to be vigilant and prepared for potential disasters.

Mindmap

Keywords

💡自然災害

Natural disasters refer to catastrophic events caused by natural processes of the Earth, such as earthquakes, floods, and landslides. In the video, the focus is on the risk of natural disasters in various areas, highlighting the importance of awareness and preparedness for these events.

💡地震警戒レベル

Earthquake warning level indicates the potential risk and impact of an earthquake in a specific area. The video discusses different regions' earthquake warning levels, particularly areas classified as level 5, which suggests a high probability of severe seismic activity.

💡洪水

Flood refers to the overflow of water onto normally dry land. The video emphasizes regions prone to flooding, such as those near the Tama River, and provides details on the expected depth of floodwaters in these areas, which ranges from 0.5 to 10 meters.

💡浸水深

Flood depth indicates the height of water expected during a flood. The video uses this term to describe the potential severity of flooding in various neighborhoods, with some areas facing flood depths of up to 10 meters, significantly impacting the safety and infrastructure.

💡土砂災害

Landslide disaster refers to the movement of rock, earth, or debris down a slope. The video covers the risks of landslides in certain areas, especially those with a history of heavy rainfall and unstable soil, underscoring the dangers to residents in these zones.

💡防災意識

Disaster preparedness awareness involves understanding the risks and taking steps to mitigate the impact of natural disasters. The video aims to increase viewers' awareness of the hazards in their regions and encourage proactive measures to enhance safety.

💡玉川

The Tama River is a major river in the Tokyo area, mentioned frequently in the video due to its role in flooding. Areas along the Tama River are highlighted for their flood risks, making it a central point of concern in disaster preparedness discussions.

💡震度6弱

Seismic intensity of lower 6 on the Japanese scale represents a strong earthquake that can cause significant damage to buildings and infrastructure. The video indicates that many areas have a high probability of experiencing such earthquakes within the next 30 years.

💡土石流

Debris flow is a type of landslide involving fast-moving masses of mud and rock. The video alerts viewers to regions vulnerable to debris flows, especially those near rivers and steep terrains, which are at higher risk during heavy rains.

💡防災拠点

Disaster prevention base refers to a designated area equipped to handle emergency response and recovery during a disaster. The video mentions locations like Tachikawa, which house facilities and teams specialized in disaster response, providing critical support during emergencies.

Highlights

Introduction of the top 14 areas with high natural disaster risks in the region to raise disaster awareness.

14th place: Musashi 1-choume, a top-class living area with high risk of earthquakes.

Risk of level 6 or above earthquakes within 30 years is between 26% to 100% in Musashi.

Areas near Tamagawa have a risk of flooding with water depths estimated between 0.5 to 3 meters.

13th place: Fussa City, with risks of both earthquakes and floods.

4/4 of Fussa City is an earthquake level 5 area.

Floods along the Tamagawa River with depths ranging from 0.5 to 10 meters.

12th place: Kokubunji, with good transportation access but high earthquake and flood risks.

11th place: Higashimurayama, with multiple rivers running through it, causing flood risks.

10th place: Okutama, with a high risk of landslides despite its natural richness.

9th place: Tachikawa, a popular living area with high earthquake risk but well-equipped for disaster response.

Tachikawa has no active faults contrary to common misconceptions.

8th place: Inagi, with high risk of floods along the Tamagawa River and earthquake level 5 areas.

7th place: Fuchu, with risks of floods and level 5 earthquake areas.

6th place: Hachioji, a large city with varying disaster risks depending on the location.

5th place: Machida, with significant flood risks especially around the Tama River.

4th place: Koshi, with almost the entire city being a flood risk area.

3rd place: Hino, with high flood risks and proximity to disaster response facilities.

2nd place: Fussa, with high risks of being trapped in flood areas and level 5 earthquake zones.

1st place: Chofu, with the entire city being a high-risk area for both floods and earthquakes.

Introduction of three safe areas with less disaster risks: Hachioji Station North Exit, Kugayama, and Hama-Kozaki.