* Astronomy

Tucked in Tengchong county in the southern section of Hengduan Mountain in Yunnan Province, Tengchong volcano enjoys the fame of "natural museum of geology". It is the No.1 volcano in China by size, variety, fine preservation and compact distribution.
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The volcano is located 430 km WNW of Kunming, a city of 1.5 million people. It is 40 km SE of Burma. The activity at Tengchong volcano is related to the eastward subduction of the Burma microplate (at the northeastern side of the collision boundary of Indian and Eurasian plates).
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The volcano last erupted during the Ming Dynasty in 1609.