The spatial distribution of deep faults in the crust are determined.The results show that the depth of Moho increases from SE to NW in general and presents undulation on this background.

• 结果表明，研究区莫霍界面埋深整体上由东南向西北加深，并在这一背景之上呈现波浪起伏，断陷盆地对应上地幔的隆起；