Tatun Volcanic Group
Group of volcanoes in Taiwan From Wikipedia, the free encyclopedia
The Tatun Volcanic Group (Chinese: 大屯火山群; pinyin: Dàtún Huǒshān Qún) constitutes a group of volcanoes located in northern Taiwan. It is located 15 km[1] north of Taipei, and lies to the west of Keelung. It just adjoins the northern coast of the Taiwan island. The volcanic group was a result of episodic volcanism between 2.8 and 0.2 Ma.[2] As of 2005, some geothermal activity was occurring and gas fumaroles were active among these volcanoes.[2] Observations of the Tatun Volcanic Group suggest that magma chambers probably still exist under the land surface of northern Taiwan.[3]
| Tatun Volcanic Group | |
|---|---|
 Chihsingshan, the highest peak of the Tatun volcanoes, has a height of 1120 m. | |
| Highest point | |
| Coordinates | 25°10′17″N 121°33′18″E |
| Naming | |
| Native name | 大屯火山群 (Chinese) |
| Geography | |
  Tatun Volcanic Group Taiwan | |
The north of the island is where evidence of volcanic activity is most obvious. In the early 20th century, the North Range of hills, also called Daitonzan from Japanese or Twa-tun from Hokkien, was recognized as having an abundance of sulfur deposits.[4] There were three craters in the North Range between Tamsui and Kimpauli (approx. modern-day Jinshan). The North hill crater, over 210 metres (700 ft) in diameter and about 120 metres (400 ft) deep, was the most extensive and was sometimes filled with water.[5]
Volcanic edifices (i.e., andesitic lava domes[6]) of the Tatun Volcanic Group include:[7][8]
| Name | Chinese | Elevation (m) | Coordinates | Notes |
|---|---|---|---|---|
| Mt. Guanyin | 觀音山 | 588 m | 25.13581°N 121.42664°E | |
| Mt. Xiaoguanyin | 小觀音山 | 1038 m | 25.18883°N 121.54234°E | |
| Mt. Datun | 大屯山 | 1082 m | 25.17661°N 121.52193°E | |
| Mt. Datun West Peak | 大屯山西峰 | 959 m | 25.17124°N 121.5136°E | |
| Mt. Zhuzi | 竹子山 | 1094 m | 25.21457°N 121.56308°E | |
| Mt. Huangzui | 磺嘴山 | 894 m | 25.17675°N 121.60619°E | |
| Mt. Dajian | 大尖山 | 818 m | 25.16221°N 121.60163°E | |
| Mt. Dajianhou | 大尖後山 | 867 m | 25.17426°N 121.59203°E | |
| Shiti Ridge | 石梯嶺 | 849 m | 25.16135°N 121.58721°E | |
| Mt. Zhusong | 竹嵩山 | 801 m | 25.15841°N 121.57278°E | |
| Mt. Shamao | 紗帽山 | 640 m | 25.14831°N 121.54298°E | |
| Mt. Xiaocao | 小草山 | 576 m | 25.13439°N 121.5638°E | |
| Mt. Qixing | 七星山 | 1120 m | 25.17073°N 121.55338°E | |
| Mt. Qigu | 七股山 | 889 m | 25.17182°N 121.56569°E | |
| Mt. Xiangtian | 向天山 | 929 m | 25.1728°N 121.5028°E | |
| Mt. Bailaka / Mt. Balaka | 百拉咔山 / 巴拉卡山 | 890 m | 25.18818°N 121.51729°E | [9] |
| Mt. Caigong / Mt. Caigongkeng | 菜公坑山 / 菜公坑山 | 871 m | 25.1916°N 121.52069°E | [9] |
| Mt. Honglu | 烘爐山 / 洪爐山 | 634 m | 25.19397°N 121.51189°E | [9] |
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