Cascadia Subduction Zone, August 2022, Vol. 18, No. 4
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Subduction zones—some of the most active geological regions on Earth—are also home to dynamic landscapes and destructive geological events. The Cascadia subduction zone (also known as Cascadia) runs along much of the western margin of North America and occupies an influential place in the global pantheon of subduction zones.
Cascadia Subduction Zone
August 2022, Vol. 18, No. 4
Subduction zones—some of the most active geological regions on Earth—are also home to dynamic landscapes and destructive geological events. The Cascadia subduction zone (also known as Cascadia) runs along much of the western margin of North America and occupies an influential place in the global pantheon of subduction zones. Cascadia is known as the quintessential “hot and dry” endmember of subduction zones produced by the subduction of relatively young oceanic crust, and studies of Cascadia have enriched our global understanding of subduction, continent assembly, and many related geodynamic processes. In addition, the link between tectonic processes and geological hazards is made crystal clear via a raft of well-recognized volcanic, earthquake, tsunami, and other geologic hazards, emphasized by high-profile events such as the eruptions of Mount St. Helens, as well as an uneasy anticipation of future great earthquakes and tsunamis. This issue of Elements takes a detailed look at the Cascadia subduction zone—not only from the perspective of the geological and geophysical processes that have produced this canonical continental subduction system but also considering the impact of active subduction processes and landscapes on the people and societies who have long inhabited the region.
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