Image: Cascadia subduction zone USGS

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Description: Cascadia subduction zone. This is the site of recurring en:megathrust earthquakes at average intervals of about 500 years, including the en:Cascadia Earthquake of en:1700.
Title: Cascadia subduction zone USGS
Credit: http://earthquake.usgs.gov/eqinthenews/2004/usslav/rupture_area-nw.html, specifically http://earthquake.usgs.gov/eqinthenews/2004/usslav/rupture_area-nw.gif
Author: The original uploader was Curps at English Wikipedia Later versions were uploaded by Remember the dot at en.wikipedia.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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