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Wudalianchi Volcano - John Seach
North East China
48.72 N, 126.12 E
summit elevation 597 m
volcanic field
Wudalianchi volcanic field is located in an E-W tectonic belt at the junction between Xiaohinggan Mountains and Song-Nen depression. It is a UNESCO World Heritage Location.
There are 14 cones at the volcano, which are distributed along NE direction as two volcanic chains. Wudalianchi volcano contains cold mineral springs water which is one of the three best examples in the world.
There are five mineral spring water belts found in Wudalianchi:
1) bicarbonate water of Yao quan.
2) ferrosiliceous bicarbonate water of E. Jiaodebu.
3) carbonic acid water of Weishan.
4) carbonic acid water of Huoshao.
5) metasilicic acid-radon water of Baolong Spring.
Main pyroclastic cones at Wudalianchi include - Gelaqiushan, Wohushan, Jiaodebushan, Bijiashan, Yaoquanshan, Longmenshan, Xiaogushan, Laoheishan, and Huoshaoshan.
There are two main vents at Wudalianchi volcano.
Laoheishan is a cone vent with a height of 166 m and summit crater 350 m wide and 50 m deep.
Huoshhaoshan is a small cone which rises 73 m above the surrounding terrain.
The crater is 414 m wide and 63 m deep.
Wudalianchi Volcano Eruptions
1719-21