KnowraFossa MagnaLinked fromLinked fromThe 3 pages that link to Fossa Magna, each with the reason it gives.All 3Related 2Compared with 1Japanese AlpsRelated: Its tectonic setting helps explain the complex geology surrounding the Japanese Alps.Median Tectonic LineCompared with: It is another regional boundary, but differs in location, structure, and geological role.Itoigawa-Shizuoka Tectonic LineRelated: The tectonic line forms this region’s western boundary.