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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They ended up about 55 miles south of Cape Mendocino in California, within the San Andreas fault zone.

From Science Daily • May 2, 2026

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 • Jan. 21, 2026

The San Jacinto fault zone is quite dangerous in its own right — cutting right through the heart of the Inland Empire, underneath many highly populated areas.

From Los Angeles Times • Apr. 15, 2025

She next joined the Quaternary Research Center at the University of Washington, where her work included documenting the fault zone that runs through Seattle.

From Seattle Times • Mar. 2, 2024

"You can count on that. This is a big fault zone for earthquakes."

From "A Short History of Nearly Everything" by Bill Bryson

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