What Is an Earthquake? [What Is]

Who isn't afraid of being waken abruptly by a shaking building whose roof is caving in? Or a huge tsunami sweeping though your town? Earthquakes are terrifying. But what exactly are they? Why do earthquakes happen? More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/IpWAdF2WEK4/what-is-an-earthquake

western digital volt information sciences vishay intertechnology virgin media viewsonic verisign verifone holdings