The likelihood of a powerful earthquake ... risk ratios. But continuing aftershocks from the massive earthquake that struck on March 11, 2011, and left nearly 20,000 people dead in the tsunami ...

A new study is fueling speculation and fear about the risks of a major earthquake in the Cascadia subduction zone, including ...

The next major Pacific Northwest earthquake could cause coastal land to sink by up to 6.5 feet in a matter of minutes — and ...

It's a matter of when -- not if -- a significant earthquake will shake the Pacific Northwest, and a new study says some areas ...

Chile earthquake: A 7.4 magnitude earthquake struck off the southern coasts of Chile and Argentina on Friday, the United ...

A 7.4 magnitude earthquake struck off the southern coasts of Chile and Argentina on Friday, triggering a tsunami warning, but ...

The core premise of the study lies in addressing the persistent limitations of traditional tsunami prediction systems. These ...

A nightmarish scenario for the Pacific ... powerful earthquake that could kill thousands, shattering critical bridges, destroying undersea communication cables and producing a tsunami.

Officials fear a huge tsunami could be heading for Chile after a 7.5 magnitude earthquake struck off the coast of Argentina.

A Cascadia Subduction Zone earthquake could cause long-lasting changes to Washington’s landscape, coastline and floodplain, a ...

A magnitude 7.4 earthquake in Argentina prompted a tsunami warning along the coasts of Chile - thousands of people were told ...