Interesting article from Discover Magazine.
The enormous fault off the coast of the Pacific Northwest has been silent for three centuries. But after years of detective work, geologists have discovered that it can unleash mayhem on an epic scale.
Just over one year ago, a magnitude-9 earthquake hit the Tohoku region of northeastern Japan, triggering one of the most destructive tsunamis in a thousand years.
The Japanese—the most earthquake-prepared, seismically savvy people on the planet—were caught off-guard by the Tohoku quake’s savage power. Over 15,000 people died. Now scientists are calling attention to a dangerous area on the opposite side of the Ring of Fire, the Cascadia Subduction Zone, a fault that runs parallel to the Pacific coast of North America, from northern California to Vancouver Island.