fault zone

American  

noun

Geology.

1. a network of interconnected fractures representing the surficial expression of a fault.

---

Etymology

Origin of fault zone

First recorded in 1930–35

Example Sentences

The petition said the plant sits on an active seismic fault zone and noted it was struck by a strong quake in 2007.

From Barron's

Geological Survey, a magnitude 7.8 earthquake on the Elsinore fault zone, including the Whittier fault, could bring “violent” shaking — enough to heavily damage buildings or even jolt them off their foundations — over a relatively large area of the Southland, including El Monte, Hacienda Heights, Rowland Heights, Pico Rivera, Whittier, La Habra, Brea, Yorba Linda, Placentia, Chino Hills, Corona, Lake Elsinore, Murrieta and Temecula.

From Los Angeles Times

The San Jacinto fault zone starts at the Cajon Pass and moves southeast through San Bernardino and Riverside County before heading into Imperial County.

From Los Angeles Times

“There’s some risk that it could be the next one,” Scharer said of the risk of a Big One on the Elsinore fault zone.

From Los Angeles Times

The Elsinore fault zone is actually one of the largest in Southern California, according to Caltech, but “in historical times, has been one of the quietest.”

From Los Angeles Times