Puente Hills Blind-Thrust System, Los Angeles, California 2947 Figure 1. The relative age of the Puente Hills thrust fault segments is not yet fully resolved. Experts say a major, magnitude 7.5 earthquake on the fault … 1:250,000, fault location may be inferred or is poorly constrained. Seismic reflection evidence of folded strata overlying the faults suggests that the Los Angeles segment is the youngest of the faults and the Coyote Hills fault segment appears to have the longest record of activity (Shaw, personal communication, 2003). “In terms of location and geometry, you’d be hard-pressed to think of a place that could be worse for a fault,” Dolan said. https://la.curbed.com/2019/1/17/18183940/los-angeles-fault-lines-locations The United States Geological Survey presented similar projections, noting that Puente Hills’ destructive power is five times that of the San Andreas. Discovered in 1999, the Puente Hills Thrust might be the most feared fault in the city of LA. 1:100,000, fault could be more discontinuous than continuous and mapping is accurate at <50,000 scale. It called a blind thrust fault and is in the worst position possible,,,Central LA. From north to south, the Puente Hills anticline, the Whittier fault, which trends N70 o W and cuts the steeply dipping south limb of the anticline along a 40 km strike-length, and the La Habra syncline characterize the structural setting of the Puente Hills (Figure 2). Structure contour map of segments of the Puente Hills blind thrust (PHT)showing the location of the 1987 Whittier Narrows (Mw 6) earthquake sequence (Hauksson and Jones, 1989) as relocated by Shaw and Shearer, (1999). Puente Hills Thrust. Yo, so I was watching a show on history called Mega Disasters and it was about this new fault discovered in LA called the Puente Hills Fault. A hypothetical earthquake here epicentered south of USC was called the “worst case for Los Angeles” in a 2017 city report. In California, the Puente Hills thrust fault, which brought Friday night's quake centred in La Habra and more than 100 aftershocks by Sunday, stretches … It is the biggest danger right know has to when the big one happens this they think will be the cause. The Puente Hills thrust fault is considered particularly dangerous because it runs under the skyscrapers of downtown Los Angeles. April 4, 2014 A 7.5 magnitude quake on the nearby Puente Hills fault would cause the same destruction as an 8.0 on the more distant San Andreas – with an 8.0 releasing 16 times the energy of a 7.5. The 15-mile wide Puente Hills fault dips underground at an angle. Click on the fault … 1:50,000, fault should be more continuous than discontinuous and mapping is accurate at <25,000 scale. 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