By judging from the test results, it shows that Chichi earthquake fault and SanI fault may both possibly belong to the same N-S oriented fault thrusting system, which dips 30 degrees to the east.

• 第一组实验结果显示，集集地震断层近乎南-北向之破裂带(即车笼埔断层)与集集地震断层北方之三义断层，属于同一个南-北走向，且向东倾斜30度之断层系统上；