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Fuji-Hakone-Izu NP, Tokyo
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In 1972, a Waseda University team lowered an insulated crucible by wire into Mihara’s lava lake and brought back molten-lava droplets. Geo Nous’s Human gallery preserves the story of these crater explorers.
In 1935, tourists could ride a 900-metre rail slide down Mihara’s outer slope in about 2 minutes; a return line hauled riders back uphill in 20. Geo Nous’s Human gallery revisits the island’s early tourism boom.
Geo Nous’s Human gallery connects island life to local food: kusaya is said to have emerged when fish-brining liquid was reused to save precious water and salt on Oshima’s porous volcanic ground.
In 1986, fissure eruptions sent lava toward Motomachi; about 13,000 people—11,000 residents and 2,000 visitors—were evacuated. The experience inspired the Volcano Museum, which opened in 1990 to teach volcano science and preparedness.
Geo Nous’s Human gallery honors Anko women, whose name is thought to derive from anekko, a respectful word for older women. They hauled water and did heavy work on an island where rain quickly drains through volcanic ground.
The Geo gallery displays a cast of Oshima’s famous striped road cut, exposed during roadworks in 1953. Its layers record over 100 eruptions across roughly 18,000 years; their waves follow ancient hills and valleys, not rock-folding.
Geo Nous’s Bio gallery explores how life returns after eruptions. On Oshima, hardy Hachijo-itadori can sprout on bare volcanic ground; grasses and shrubs follow, and over time the black landscape can become forest.
Geo Nous’s projection theater fills four screens with 8K footage of Mihara’s crater, eruption traces and island landscapes. The immersive show also turns from dramatic geology to the everyday lives of people who live with the volcano.
“Geo Nous” pairs “geo” with nous, a Greek word for mind and intellect. The name’s story pictures visitors as birds and the museum as their nest—a place to learn before setting out across Oshima.
