The fault line includes areas of Missouri ... The series of earthquakes destroyed settlements and “dramatically affected the landscape,” officials said. They were considered the “biggest ...

Earthquakes occur along fault lines between continental plates, where one plate is diving beneath another. Pressure builds between each plate, called fault stress. When this stress builds enough ...

The Cascadia fault line extends over 620 miles through the Puget Sound region ... In addition to its location, there are a few things about Washington’s geologic and artificial landscape features that ...