Itoigawa-Shizuoka Tectonic Line
Línea Tectónica de Itoigawa-Shizuoka
- Date
- c. 1875-1885 · confidence low
- Place
- Suwa, Nagano, Japan
- Credited to
- Edmund Naumann
- Field
- Cosmos & Earth
What was discovered
A major geological fault on the island of Honshu running from Itoigawa to Shizuoka through Lake Suwa, forming the western boundary of the Fossa Magna; described as part of the first modern geological surveys of Japan led by Edmund Naumann.
What it led to
- Foundation for understanding Japan's tectonic structure
- Support for later studies of the Fossa Magna
- Influenced seismic zoning of the Japanese archipelago