Vulcanicity 裡面有兩種 volcano eruption
1. Fissure Eruption
2. >>> Vent Eruption <<<
Vent Eruption 要有條 Vent ，而條 vent 係火山裡面。
第一次發生Vent Eruption ，條VENT 同個火山係邊度黎？？
vent eruption 第一次果時，條 vent 係邊度黎？
2007-10-14 6:47 am
回答 (1)
2007-10-14 7:03 am
✔ 最佳答案
Frankly speaking, there is no volcano during the first volcanic eruption.Volcano is formed after several eruption when the lava (after cooling) is high enough to be a volcano.
During the first eruption,the vent is come frrom the line of weakness which results from the compression of two plates.
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