Wed, May 18, 2016 - Page 11 News List

Nanhua geyser erupts for second time this year
南化泥火山噴發 二O六震後首見

Tainan’s Nanhua mud geyser bubbles on May 9. It is the second time this year the geyser has erupted, and the first time since the Feb 6 earthquake.

Photo: Wu Chun-feng, Liberty Times

After the eruptions in Pingtung’s Wandan and Kaohsiung’s Niaosong districts, a mud geyser in Tainan’s Nanhua District started erupting on May 9. It is the second time this has happened so far this year and the first time since the Feb 6 earthquake. Local history researcher Lai Ming-chang, who has been monitoring these things for a long time now, believes they should be considered a cyclical release of energy, and has determined that they are unrelated to the frequent earthquakes in eastern Taiwan.

According to Lai, who has already been closely monitoring the Nanhua mud geyser for a decade now, the May 9 eruption started early in the morning, around 6am, when signs of agitation began appearing in the pond water, and these gradually became a rolling boil before entering the eruption stage, which continued well into the afternoon.

The Nanhua mud geyser is located in a private mango orchard in Yanshuei Keng in Yushan Borough. It is a remote location, and Lai says that the first eruption this year happened on the day of the Feb 6 earthquake, and is thought to have been instigated by that tremor.

Unlike the Wandan and Niaosong geysers, the one at Nanhua has a permanent opening, and Lai can predict the time of an energy release by environmental phenomena in the locale. He believes that this is a great open-air classroom for geological activity, and makes it worthwhile monitoring and studying over the long-term. Lai has discovered that the Nanhua mud geyser will erupt at the most five times a year, and the cyclical energy release will continue for two weeks at the shortest, 20 months at the longest.

(Liberty Times, translated by Paul Cooper)


1. erupt v.

噴發 (pen1 fa1)

例: Flights from the UK have been canceled, as Eyjafjallajokull has erupted again.


2. cyclical adj.

週期性 (zhou1 qi2 xing4)

例: This will happen again. It’s a cyclical phenomenon.


3. tremor n.

震動;地牛翻身 (zhen4 dong4; di4 niu2 fan1 shen1)

例: Did you feel the tremor this morning?







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