Hi Kiddo. The quakes in the Nephi area are most likely associated with the Wasatch Fault, which is the most worrisome fault for the State of Utah. The Wasatch Fault is recognized as the most active fault zone in Utah, and the most likely source of major earthquakes to affect the populous Wasatch Front. The Wasatch Fault Zone is a 370-km-long segmented normal- fault system and is separated into ten segments based on its surface fault trace and topographic salients in the footwall Wasatch Mountains. It is felt by some that any one of the segments is capable of having a quake up to M>7.5.

According to a recent report the Nephi segment contains evidence of what may be the most recent earthquake activity along the fault. Radiocarbon dating points to a surface-faulting event, or movement strong enough to rupture the surface, that is younger than 1,200 years. But the condition of the cliff-like slope, or scarp, that characterizes the fault, particularly the lack of vegetation, indicates that the most recent activity may have been just 300 to 500 years ago. Evidence gathered from trenches dug across the scarp shows that the next two prior events occurred 3,000 to 4,500 years ago. Take Care…Don in creepy town