分析一下这句话的结构吧?读的很拗口!

很简单呀~~

With this evidence是状语,

previous examples of possible ground lubrication as a cause of local ground tremors 整个作主语,previous examples是主语中心语,剩余的一大串是定语.

were examined.自然就是谓语啰,被动形式

主干是：examples were examined.

意思是：借助这些证据（迹象），以前的能够引起局部地面震动的可能的地面润滑油的样本被测试了。