Map shows the Cascadia Subduction Zone along the Pacific ... researchers identify seismic anomalies at both ends of the fault where they believe pieces of the upper mantle are rising and ...

However, the Cascadia subduction zone has equally dangerous faults. The Cascadia fault's 9.0 magnitude earthquake and the fatal tsunami, according to the Federal Emergency Management Agency ...

According to a press release from the University of Washington, the hole was found on top of the Cascadia Subduction Zone fault. This fault is located in the Pacific Northwest. The leak was ...