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The Puente Hills Fault (also known as the Puente Hills Thrust Fault System) is an active geological fault that is located in the Los Angeles Basin in California. The thrust fault was discovered in 1999 and runs about 40 km (25 mi) in three discrete sections from the Puente Hills region in the southeast to just south of Griffith Park in the ...
The Puente Hills thrust fault is the same overall fault network that produced the Whittier Narrows – which measured a 5.9 magnitude, killed eight people and caused some $358 million in damage in ...
By contrast, an earthquake on the Puente Hills thrust fault system probably would max out at a magnitude 7.5 — still powerful, but less so than the southern San Andreas.
But if a magnitude 7.5 earthquake in the Puente Hills thrust fault system comes in our lifetime, it would be far worse for the L.A. area than a big one on the San Andreas.
The Puente Hills are a chain of hills, ... The October 1987 Whittier Narrows Earthquake revealed a previously unrecognized fault line under the Puente Hills Area.
The mainshock occurred near the northwestern border of Puente Hills 3 km (1.9 mi) north of the Whittier Narrows at a depth of 14 km (8.7 mi). First motion polarities, along with modeling of teleseismic P and S waves , established that the thrust fault responsible for the shock strikes east–west with a dip of 25° dip to the north.
The La Habra earthquake was caused by oblique thrust faulting on the Coyote Hills segment of the Puente Hills Thrust Fault System. [1] [3] The Puente Hills Fault is a blind thrust fault that runs north and west from Orange County to Los Angeles. It was the fault that was responsible for the 5.9 M w 1987 Whittier Narrows earthquake on October 1 ...
The Puente Hills thrust fault system is the same overall fault network that produced the 1987 Whittier Narrows magnitude 5.9 earthquake, which killed eight people and caused some $358 million in ...