The powerful earthquake that struck in Northern California on Thursday prompted a brief tsunami warning affecting about 5 million people along a stretch of the West Coast — from No ...
The rupture struck just southwest of the Cascadia subduction zone — the offshore fault capable of generating 8.5 or 9.0 earthquakes, followed by massive tsunamis.
"It's good for research... and it does get us excited," said a local expert as he broke down Thursday's 7.0 magnitude quake that struck off Northern California's coast ...