A massive earthquake off the Pacific Northwest coast is not a distant abstraction but a well-defined geological threat. Along ...

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

The Cascadia Subduction Zone is quietly loading energy that will one day unleash a megathrust earthquake, and a growing cluster of new measurements suggests that the system is edging closer to failure ...

(a) Geological units and earthquake distribution of an oceanic subduction zone. The orange shadow beneath the volcanic arc represents partially molten areas and magma channels. (b) Thermal structure ...