Jan. 26, 2025, marks 325 years since the last great earthquake on the Cascadia subduction zone. It’s a time to reflect on what we’ve learned about this largest fault system in the lower 48 states ...

Green Party Leader Elizabeth May has jokingly resurrected a decades-old proposal for British Columbia to form Cascadia, an independent nation with the Pacific Northwest states of Oregon and ...

It has been predicted by leading seismologists and scientists that should a megathrust earthquake with a magnitude of 7.1 or higher hit the Cascadian Subduction Zone, it would be catastrophic for ...