The San Andreas fault and a neighboring fault in Southern California have reached their highest levels of tectonic stress in 1,000 years, and a rupture at one fault could propagate to the other, researchers found.

Source: [Live Science](https://www.livescience.com/planet-earth/earthquakes/the-system-is-critically-stressed-san-andreas-and-san-jacinto-faults-scarily-close-to-major-earthquake-study-finds)

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