Scientists are warning that a 1,000-foot-tall “mega tsunami” could potentially wipe a large chunk of America off the map – if ...

Cascadia's four segments make it more dangerous than other major fault lines because they have different rock and sediment, ...

Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

Cascadia's four segments make it more dangerous than other major fault lines because they have different rock and sediment, with the most concerning section extending along northern Oregon ...

An active underwater volcano in the the Pacific Ocean off the Oregon Coast is predicted to erupt in 2025. Here's what to know.

Pressure continues to build on Pacific fault lines and seismic activity is spiking this year, with activity reported at Mount St. Helens and Mount Adams in southern Washington. Oregon State ...

One of the most dangerous fault lines that threatens the United States lurks off the coast of the Pacific Northwest, capable of producing a Pacific-wide tsunami and dramatically changing the landscape ...