Big Quakes Trigger Global Shaking

The giant earthquake that unleashed the Indian Ocean tsunamis in 2004 — killing more than 225,000 people in one of the deadliest natural disasters in history — might also have triggered other quakes around the world, new findings reveal.

The earthquake that ravaged China last week may also have set off other quakes around the globe, but that data has not been analyzed yet. But the new research… » Full Story on LiveScience