请问在这个句子中wether引导一个什么从句?

请问在这个句子中wether引导一个什么从句?
The earth became so violent that it was not clear whether the shape would last or not.
可不可以帮我把这个句子做一个句子成分分析?
1.这个so violent that是充当什么成分啊?
2.“it was not clear whether the shape would last or not.” 当中的“whether the shape would last or not”是什么从句?
求大侠们帮一下小妹,我的语法太差啦!