New research shows the Ridgecrest earthquakes that happen in July ruptured at least twenty-four faults. It’s the latest evidence of how small faults can join together to produce a large earthquake, and how those quakes can cover a wider area than expected.

For more info, please read the original article by LA Times:
https://www.latimes.com/california/story/2019-11-13/ridgecrest-earthquake-ruptured-dozens-of-faults