USGS/Cascades Volcano Observatory, Vancouver, Washington
Plate Tectonics and Sea-Floor Spreading
Maps and Graphics, etc.
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[Map,27K,InlineGIF]
Active Volcanoes, Plate Tectonics, and the "Ring of Fire"
-- Modified from: Tilling, Heliker, and Wright, 1987, and
Hamilton, 1976
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[Map,13K,InlineGIF]
Active Volcanoes and Plate Tectonics
-- Smaller version of above map --
Modified from: Tilling, Heliker, and Wright, 1987, and
Hamilton, 1976
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[Map,30K,InlineGIF]
Earthquakes and Plate Tectonics
-- Earthquakes around the world for the past 5 years as of July 7, 1999.
The distribution of seismicity over the past 5 years defines boundaries
of tectonic plates.
-- "Flat" color version
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[Map,115K,InlineGIF]
Earthquakes and Plate Tectonics
-- Earthquakes around the world for the past 5 years as of July 7, 1999.
The distribution of seismicity over the past 5 years defines boundaries
of tectonic plates.
-- "Topographic" version
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[Map,35K,InlineGIF]
Earthquakes, Active Volcanoes, and Plate Tectonics
-- Earthquakes around the world compared to plate boundaries and the "Ring of Fire"
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[Map,20K,InlineGIF]
Plate Tectonics and the Cascade Range
-- Modified from: Tilling, 1985
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[Map,11K,InlineGIF]
Juan de Fuca Ridge - Gorda Ridge - Axial Seamount
-- showing features of Pacific/Juan de Fuca/North American subduction
system relative to Western United States.
Open blue arrows, ridge-spreading directions;
solid blue arrow, convergence direction.
-- Modified from: Swanson, et.al., 1989,
IGC Field Trip T106:
Cenozoic Volcanism in the Cascade Range and Columbia Plateau,
Southern Washington and Northernmost Oregon, p.2
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[Map,21K,InlineGIF]
Juan de Fuca Subduction - Juan de Fuca Ridge - Cascade Range
-- Modified from Brantley, 1994,
USGS General Interest Publication 376-846
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[Map,10K,InlineGIF]
South America:
Active Volcanoes, Plate Tectonics, and South America
-- Modified from: Tilling, Heliker, and
Wright, 1987, and Hamilton, 1976 ...
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[Map,37K,InlineGIF]
Canada:
Volcanoes and Volcanic Areas of Western Canada
-- Modified from: Canada Natural Resources, Geological Survey of Canada,
Volcanoes of Canada, 2001, and C. J. Hickson, 1990, IN: Wood and Kienle
Return to:
[Plate Tectonics Menu] ...
URL for CVO HomePage is:
<http://vulcan.wr.usgs.gov/home.html>
URL for this page is:
<http://vulcan.wr.usgs.gov/Glossary/PlateTectonics/Graphics/framework.html>
If you have questions or comments please contact:
<GS-CVO-WEB@usgs.gov>
09/02/08, Lyn Topinka