Earth's Crust Is Tearing Apart off the Pacific Northwest-and That's Not Necessarily Bad News
A Cascadia subduction zone off Vancouver Island is actively tearing itself apart, revealing how subduction zones can terminate and affecting earthquake risk.
Huge crater under North Sea was created by asteroid impact, scientists say
The Silverpit crater beneath the North Sea was likely formed by a 43-million-year-old asteroid or comet impact, producing a two-mile crater and 100m tsunami.