Everything Mt. Fuji Q&A
This session answers questions about the ‘Osawa Failure,’ which receives the most questions.
●Outline of the Osawa Failure |
Answer |
Q 1:When did the Osawa Failure start? |
⇒Q1 |
Q 2:What kind of river is the Osawa River, which originated from the Osawa Failure? |
⇒Q2 |
Q 3:What is the Headwater Area of Osawa River like? |
⇒Q3 |
Q 4:What is the Osawa River Valley Area? |
⇒Q4 |
Q 5:What is the Osawa Mid-stream Area? |
⇒Q5 |
Q 6:What is the Iwadoi Area of Osawa River? |
⇒Q6 |
Q 7:What is the Osawa River Alluvial Fan? |
⇒Q7 |
Q 8:Are there any other large mountain streams on Mt. Fuji apart from Osawa River Valley? | ⇒Q8 |
●About collapses and debris flows |
Answer |
Q 9:What are the characteristics of the debris flow of Osawa River? |
⇒Q9 |
Q10:What is the ‘yukishiro’ (snow that melts and flows into rivers) that appeared in many Osawa River disasters before? |
⇒Q10 |
Q11:Is it possible to predict the occurrence of debris flows in Osawa River? |
⇒Q11 |
Q12: How are the inner areas of Osawa Failure measured? | ⇒Q12 |
●About future forecast |
Answer |
Q13:Do collapses frequently accompany Tokai earthquake? | ⇒Q13 |
●Prevention Measures against Landslide Disasters |
Answer |
Q14:What are some prevention measures against debris flow disasters for Osawa River? |
⇒Q14 |
Q15:How effective are the disaster prevention facilities? |
⇒Q15 |
Q16:What are attempts to restore vegetation states at Osawa Failure? | ⇒Q16 |