- 2021-08-01
- 2021-08-01
IOUSAN ( sulfur mountain) in east Hokkaido
It’s an active volcano which formed 30000 years ago, the latest eruption was 300-400 years ago. There are over 1500 fumaroles here , they are still gushing water vapor and volcanic gas.We can go very close to the fumaroles, hear the dynamic moaning sound. If you want to see, hear […]