In order to move the “exceptional” and massive rock, the tsunami was likely around 164-feet tall — the height of the Arc de Triomphe.

And while the advisory assured that the “likelihood of an eruption continues to gradually decline,” the 11,000-foot-tall volcano remains at an “elevated state of unrest,” meaning that an “explosive ...

A Virginia Tech study highlights the potential for a mega-tsunami triggered by a major earthquake in the Cascadia Subduction ...