Different definitions of Cascadia and related terms. Click image for legend.

The name Cascadia, which is derived from the Cascade Range, can refer to: Image File history File links CascadiaComparison. ... Image File history File links CascadiaComparison. ... Mount Adams in Washington The Cascade Range is a mountainous region famous for its chain of tall volcanoes called the High Cascades that run north-south along the west coast of North America from British Columbia through Washington and Oregon to the Shasta Cascade area of northern California. ...

Generally:

• The Pacific Northwest
• A Bioregion consisisting of Lower Alaska, British Columbia, Washington, Oregon, Idaho and Northern California.

In Geology: The Pacific Northwest from space This page is about the region that includes parts of Canada and the US. For the US only region, see Northwestern United States The Pacific Northwest (abbreviated PNW, or PacNW) or Cascadia is a region in the northwest of North America. ... An ecoregion is a relatively large area of land or water that contains a geographically distinct assemblage of natural communities. ...

• Cascadia subduction zone
• Cascadia earthquake in 1700
• Cascadia, the name used in the early 20th century for a landmass that was thought to exist in the recent geologic past in the northeast Pacific Ocean
• Cascadia Basin, a basin between the coast and Explorer Ridge, Juan de Fuca Ridge, and Gorda Ridge, covering a vast area offshore from approximately the Klamath Mountains to north of Vancouver Island
• Cascadian orogeny, the recent geologic "crustal unrest"
• A book title: McKee, Bates. Cascadia: the Geologic Evolution of the Pacific Northwest. McGraw-Hill Book Company: New York (1972)

Cities: Structure of the Cascadia subduction zone Area of the Cascadia subduction zone The Cascadia subduction zone is a very long sloping fault that stretches from mid-Vancouver Island to northern California. ... The 1700 Cascadia Earthquake was a magnitude 8. ... A basin is the inverse of a dome: a symmetrically-dipping syncline that appears on a geologic map as roughly circular or elliptical, with concentric layers. ... The Juan de Fuca Ridge is a tectonic spreading center located off the coasts of the state of Washington in the United States and the province of British Columbia in Canada. ... The Gorda Ridge is a tectonic spreading center located off the coast of Oregon and northern California north of Cape Mendocino. ... The Klamath Mountains are a mountain range in northwest California and southwest Oregon, the highest peaks being Mount Eddy (2744m / 9002) in Trinity County, California, and Mount Ashland (2296m / 7533) in Jackson County, Oregon. ... Vancouver Island is separated from mainland British Columbia by the Strait of Georgia and the Queen Charlotte Strait, and from Washington by the Juan De Fuca Strait. ... Orogeny is the process of mountain building, and as such is both a tectonic structural event, a geographical event and a chronological event, in that orogenic events happen within a time frame, affect certain regions of rocks and crust, and cause distinctive structural phenomena and related tectonic activity. ...

• Cascadia, Oregon, a ghost town
• Cascadia, Washington, a master planned community

Organizations and other uses: Cascadia was a small town of 200 people that was established in 1892 along the Santiam River east of the city of Albany, Oregon. ... Cascadia is a master planned community that will encompass more than 5,000 acres of land to the south of Bonney Lake, Washington. ...

• Cascadia or "Republic of Cascadia", a proposed independent country and its independence movement
• Cascadia, an alternative suggested name for the proposed State of Lincoln or East Washington
• Cascadia Experimental, a record label
• Cascadia Community College
• Amtrak Cascades, a railroad route

Cascadian can also mean: The Doug Flag of Cascadia, superimposed over theoretical boundaries. ... State of Lincoln The state of Lincoln is one of several proposed states of the United States of America(see 51st state). ... Cascadia Experimental is a primarily non-profit record label for experimental musicians in the Pacific Northwest. ... Cascadia Community College is a community college located in the city of Bothell, Washington, located in King County, Washington. ... Amtrak Cascades consist in Portland, Oregon. ...

• Cascadian English or Pacific Northwest English, a dialect of the English language spoken in the Pacific Northwest
• a citizen living in Cascadia

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