oversaw definition: Oversaw is defined as to have watched over or directed something. (verb) An example of oversaw is to have watched a group of team members complete their project yesterday....
According to the Encyclop?dia Britannica, the Shaanxi earthquake occurred due to movement along the three major fault lines that form the basin of the Wei River. Considered to be the most deadly... According to the Encyclop?dia Britannica, the Shaanxi earthquake occurred due to movement along the three major fault lines that form the basin of the Wei River.
I think the answer is normal faults, but I am not positive. I just know that compression causes reverse faults. A reverse fault will occur. Compression cannot produce normal faults. A normal fault is a  geological fault that has a hanging wall that has moved downward  relative to the footwall.