watch the video here:
————————————————
here is more information on the north american craton: http://sincedutch.wordpress.com/?s=craton
here are several DOZEN links to monitor global earthquake information:
http://sincedutch.wordpress.com/2011/11/30/11302011-list-of-earthquake-links-…
several dozen volcano webcam links here:
http://sincedutch.wordpress.com/2012/01/02/112012-all-the-volcano-webcams-of-…