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Growth of the Pacific Northwest—Cross-section Illustration

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Summary

Sometimes a terrane crashes in and clogs the subduction zone. A new subduction zone develops farther west. The Cascadia Subduction Zone is just the latest of several subduction zones that developed in the western United States over the past 200 million years.

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plate tectonics geology geologic resources division pacific northwest cross section illustration subduction zone cascadia subduction zone terrane crashes million years national parks gallery ultra high resolution high resolution
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Date

2019
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Source

National Parks Gallery
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Link

https://npgallery.nps.gov/
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Copyright info

Public Domain Dedication

label_outline Explore Subduction Zone, Cascadia Subduction Zone, Million Years

Topics

plate tectonics geology geologic resources division pacific northwest cross section illustration subduction zone cascadia subduction zone terrane crashes million years national parks gallery ultra high resolution high resolution