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Along the Motagua Fault trace (1976 Guatemala earthquake) where it crosses the Gualán soccer field. This zigzag type of fault trace is known as "mole track", which is best developed in hard-packed, brittle surface materials. The San Andreas fault trace runs along the base of the Temblor Range of mountains near Bakersfield, California. (The ...
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. A fault trace is also the line commonly plotted on geologic maps to represent a fault. [3] [4] A fault zone is a cluster of parallel faults.
The Hayward Fault shares the same relative motions of the San Andreas. As with portions of other faults, a large extent of the Hayward Fault trace is formed from a narrow complex zone of deformation which can span hundreds of feet in width.
Conversely the same name may be applied to more than one fault, particularly in the case of smaller faults which are geographically distant from each another. Some composite names e.g. Abbotsbury - Ridgeway Fault include individual faults e.g. Abbotsbury Fault and Ridgeway Fault appearing elsewhere in the list but are included since they have ...
The Ramapo Fault has been blamed for several past earthquakes, but the specific association of any significant earthquake with this fault has yet to be demonstrated. [6] A damaging earthquake affecting New York City in 1884 was incorrectly argued to be caused by the Ramapo fault, likely because it is the most prominent mapped fault in the ...
A fault tree diagram. Fault tree analysis (FTA) is a type of failure analysis in which an undesired state of a system is examined. This analysis method is mainly used in safety engineering and reliability engineering to understand how systems can fail, to identify the best ways to reduce risk and to determine (or get a feeling for) event rates of a safety accident or a particular system level ...
This zigzag type of fault trace is known as "mole track", which is best developed in hard-packed, brittle surface materials. The Motagua Fault has been responsible for several major earthquakes in Guatemala's history, including the 7.5 M w Guatemala 1976 earthquake, and is also notable for its significant visible fault trace. [4]
Doubts on the connectivity of these faults led to abandonment of this name in 1986 [65] when Cheney mapped the Mount Vernon fault (MVF) from near Sultan northwest past Lummi Island (west side of Bellingham Bay, visible at the top of the map), crossing the Devils Mountain Fault (DMF, part of the Darrington—Devils Mountain Fault Zone) near ...