📜 Miyakejima, one of Japan's Izu Islands, has an active volcanic chain.
🔍 High concentrations of poisonous gases (primarily sulfur) leak from the ground.

Why Go

🌋 Unique, almost post-apocalyptic tourist experience
🌿 Lush parts of the island, beautiful scuba diving with dolphin sightings
🚶 Explore abandoned buildings, lava-coated landscapes, and half-buried shrines

Why Avoid

⚠️ Risk of poisonous gases, residents and tourists carry gas masks
🚨 Siren system alerts when sulfur dioxide levels are too high
🚫 One-third of the island remains off limits

Tips

😷 Gas masks available upon arrival at tourist shops
✈️ Reach Miyakejima by boat or helicopter from Tokyo