fromSFGATE
2 days agoThe West Coast's most dangerous faults may rupture 'in rhythm'
Two of the West Coast's most dangerous fault lines might be more in sync than scientists have realized. A new study found that the two sleeping giants, the Cascadia subduction zone and the northern San Andreas fault, have been moving in rhythm for millennia, shaking within hours of each other in a geological "dance" that can rattle the coastline from Oregon to California.
Science