Southwest Japan Outer Zone
Geological term referring to the area of southwestern Japan south of the Median Tectonic Line. Used in earth science contexts.
See also: 西南日本
In the Southwest Japan Outer Zone, a geological belt called the Shimanto Belt extends widely.
Refers to the area of southwestern Japan north of the Median Tectonic Line, contrasting with 西南日本外帯.
Compound of 西南日本 (Southwest Japan) and 外帯 (outer zone), a geological term.