Mega-quakes 'caused volcanoes to sink'

According to research in Japan and Chile massive earthquakes can cause distant volcanoes to sink.

Source: http://rss.skynews.com.au/c/34485/f/628641/s/2e030cbe/l/0L0Sskynews0N0Bau0Ceco0Carticle0Baspx0Did0F8840A980GvId0F/story01.htm

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