Add Yahoo as a preferred source to see more of our stories on Google. A smoky sunset as seen from the San Andreas fault on Pallet Creek Road in Juniper Hills on Sept. 20, 2020. (Myung J. Chun / Los ...

On a quiet stretch of central California ranchland, scientists have spent decades trying to turn one of Earth’s most dangerous forces into something almost predictable. Parkfield, perched on the San ...

They believe the fine layer represents a Cascadia quake, followed shortly by a San Andreas rupture that deposited coarser sediment on top. These paired layers are thickest near the Mendocino triple ...

Along a quiet stretch of central California, the tiny town of Parkfield sits atop one of the most closely watched pieces of rock on Earth. Here, scientists are using the San Andreas Fault as a natural ...