There are the trends that the evolution of faults is from a combination of complex and secondary faults to an simple,successive and primary fault.

• 断裂的空间分布为多重分形结构，断裂的演化有从复杂几何结构的次级断裂组合向单一连续的大断裂过渡而分维值逐渐减小的趋势；