Oops, looks like the earth's core is under stress! So we can expect bigger earthquakes and more volcanic activity in the next few centuries. Reminds me of the Ice Age 4 trailer?
Ice Age trailer: http://m.youtube.com/#/watch?desktop_uri=%2Fwatch%3Fv%3Dbdeb7qGSnP4&v=bdeb7qGSnP4
The scientific explanation:
http://geochangemag.org/index.php?option=com_content&view=article&id=139:powerful-energy-release-emanating-from-the-earths-core-recorded&catid=2:community-news&Itemid=10
/via +ashley graetz