There are places on earth where tectonic plates are moving, sometimes too slow for humans to discern, sometimes rather suddenly. deputy dog found five places where the earth has cracked open, with photographic evidence. Shown is a volcanic vent that appeared suddenly in the Afar region of Ethiopia in 2006. http://deputy-dog.com/2008/10/5-enormous-cracks.html
Also: I am grateful for the opportunity to use this awesome headline.