Honshu, Japan
38.15 N, 140.45 E
summit elevation 1841 m
complex volcano
Zao volcano is the northern most active volcano in Honshu.
The volcano forms part of the UshiroTateyama mountain Range. Other mountains in the range include: Shiroumadake (2932m), Shakushidake (2812m), Hakuba Yarigatake (2903m), Karamatsudake (2696m), Goryudake (2814m).
Okama Crater is a well known tourist destination at the volcano. The lake is 360 m wide and 60 m deep with a pH of 1.3 and has been the site of the most recent eruptions.
1940, 1939?, 1927?, 1905, 1897?, 1896, 1895, 1895, 1894, 1890?, 1873, 1867, 1833, 1831, 1830, 1821, 1809, 1806, 1804, 1796, 1794, 1694, 1670, 1669, 1668, 1641, 1630, 1623-24, 1620, 1350?, 1331-33?, 1230, 1227, 1183, 884, 773?