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An active fault is a fault that is likely to become the source of another earthquake sometime in the future. Geologists commonly consider faults to be active if there has been movement observed or evidence of seismic activity during the last 10,000 years. [1] Active faulting is considered to be a geologic hazard – one related to earthquakes as
Energy release associated with rapid movement on active faults is the cause of most earthquakes. Faults may also displace slowly, by aseismic creep. [2] A fault plane is the plane that represents the fracture surface of a fault. A fault trace or fault line is a place where the fault can be seen or mapped on the surface.
This list covers all faults and fault-systems that are either geologically important [clarification needed] or connected to prominent seismic activity. [clarification needed] It is not intended to list every notable fault, but only major fault zones.
The Wasatch Fault is an active fault located primarily on the western edge of the Wasatch Mountains in the U.S. states of Utah and Idaho. The fault is about 240 miles (390 kilometres) long, stretching from southern Idaho, through northern Utah, before terminating in central Utah near the town of Fayette .
Concrete drainage system broke by faulting in Chishang Prof. Jacques Angelier was a famous French geologist, particularly known for his contributions to paleostress research. [ 18 ] He is an important person who has a great contribution to the investigation of Chihshang Fault. 1981 Prof. Angelier first visit Taiwan to have field research in the ...
Anderson's theory of faulting, devised by Ernest Masson Anderson in 1905, is a way of classifying geological faults by use of principal stress. [ 1 ] [ 2 ] A fault is a fracture in the surface of the Earth that occurs when rocks break under extreme stress. [ 3 ]
Active scarp faults may reflect rapid tectonic displacement [10] and can be caused by any type of fault including strike-slip faults. [11] Vertical displacement of ten meters may occur in fault scarps in volcanic bedrock, but is usually the result of multiple episodic movements of 5 to 10 meters per tectonic event. [12] [13]
The Sierra Nevada Fault Zone. The Sierra Nevada Fault is an active seismic fault along the eastern edge of the Sierra Nevada mountain block in California.It forms the eastern escarpment of the Sierra Nevada, extending roughly 600 km (370 mi) from just north of the Garlock Fault to the Cascade Range.