BANDON, Ore. (KTVZ) -- A 5.9-magnitude earthquake rumbled off the southern Oregon coast late Thursday night, and several people felt it onshore, the U.S. Geological Survey reported. No tsunami alerts ...

A terrifying new study warns that the US Pacific Coast could face a 1,000-foot mega-tsunami triggered by a massive earthquake along the Cascadia Subduction Zone. Stretching from Northern California to ...

If and when a Cascadia Subduction Zone earthquake hits the Portland region, soil liquefaction could dramatically worsen the damage, leading buildings to tilt, roads to buckle and utility lines to ...

My regular readers are going to need some context and backstory to what motivated writing this series of posts. It's a three-part series -- here is Part 2 and Part 3. I recently had an exchange with ...

Most new state-owned buildings will need to be earthquake-proof, and by 2060, all buildings owned or leased by the state for executive branch agencies will need to make earthquake-safety upgrades or ...

A few minutes of intense shaking, followed by a devastating tsunami, the loss of thousands of lives and widespread destruction to infrastructure that left entire communities cut off from help. It ...

The magnitude 6.5 earthquake off the coast of Northern California Thursday morning occurred on a fault called the Mendocino Transform, not the more dangerous Cascadia Subduction Zone. But ...

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The big one is coming. We all know that. We also know the big one might turn out to be the very big one. The 700-mile-long Cascadia subduction zone that's just off the coast of California, Oregon and ...

A budding subduction zone offshore of Spain heralds the start of a new cycle that will one day pull the Atlantic Ocean seafloor into the bowels of the Earth, a new study suggests. Understanding how ...