Wolfe said that the fault is very slow moving and could be expected to rupture sometime in the next 3,000 to 5,000 years.
"It makes you wonder how many other faults are in California that are not detected and slow moving," Wolfe said. "The San Andreas fault is the most noteworthy, but many other of faults in California capable of generating damage."
The Wilmington fault runs near another notorious fault, the Newport-Inglewood.
That fault unleashed the 1933 Long Beach earthquake, which killed 120 people and prompted some of the state's first seismic building regulations.
The Newport-Inglewood has long been considered one of Southern California's top seismic danger zones because it runs under some of the region's most densely populated areas, from the Westside of Los Angeles to the Orange County coast.
Research published in 2017 found the fault may be even more dangerous than experts had believed, capable of producing more frequent destructive temblors than previously suggested by scientists.
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