Mount Io
硫黄山
A 1,317-meter active lava dome volcano featuring a summit crater and historical sulfur mining ruins in Miyazaki Prefecture.
What it is
- A 1,317-meter high active lava dome volcano located in Ebino City.
- The site of a major eruption in 1768 and a recent eruption in 2018.
- A former commercial sulfur mine that operated until 1955.
- A peak primarily composed of silica-based volcanic rock northwest of Mount Karakuni.
What to see
- A shallow crater measuring 100 meters wide at the summit.
- Stone ruins from former sulfur cooling operations located inside the crater.
- Views of the western slope from Prefectural Road 1.
Notes written by Japan Gems from facts in Japanese Wikipedia.
Where it is
Mount Io Open in Google Maps
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