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Yunosawa caldera
- Type locality: Aomori prefecture
- Valles type caldera volcano
- Caldera forming a marine embayment
- Volcanic rocks
- Pliocene (ca. 3.5 Ma)
- Sedimentary facies: Marine
- Distribution (Diameter): ca. 15 km
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Aomori pref.
- Takarada and Muraoka (2004) Geology of the Hakkoda San District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 86p. (in Japanese with English abstract 4p.)
- Muraoka and Hase (1990) Geology of the Kuroishi District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 124p. (in Japanese with English abstract 8p.)