<http://schema.org/alternativeHeadline>
"The shallowness of the quake is responsible for the high amount of damage. Deeper earthquakes are able to disperse the energy, lessening the impact."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/stories/why-italys-earthquake-was-weird-and-unexpected>