Wudalianchi Volcano, China

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 Herritage Location.

There are 14 cones at the volcano, which are distributed along NE direction as two volcanic chains. Wudalianchi volcano conrains 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 Mt;
2) ferrosiliceous bicarbonate water of E. Jiaodebu Mt;
3) carbonic acid water of Weishan Mt;
4) carbonic acid water of Huoshao Mt;
5) metasilicic acid-radon water of Baolong Spring.

There are two main vents at the volcano.
1) Laoheishan is a cone vent with a height of 166 m and summit crater 350 m wide and 50 m deep.
2) Huoshhaoshan is a small cone which rises 73 m above the surrounding terrain.
The crater is 414 m wide and 63 m deep.

Eruptions of Wudalianchi Volcano
1719-21