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Hk-J2 Tephra Kudo et al., 2000, 2003a
Abbr.: Hk-J2
- Type locality: Jigoku pond, Sukayu, Aomori city, Aomori prefecture
- Holocene (cal AD 1457 - 1654, 14C)
- Sedimentary facies: Terrestrial
- Lithofacies: Volcanic ash
- Mode of eruption: Phreatic
- Source: Jigoku pond (Kita-Hakkoda volcanoes)
- Eruptive volume: 104 m3
- Thickness: 30 cm
- Distribution: Jigoku pond, Sukayu, Aomori city, 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.)