Morning Overview on MSN
An Italian supervolcano shows signs it is ready to erupt
On the western edge of Naples, a restless volcanic field is pushing its way back into the headlines and into the lives of ...
When volcanoes are preparing to erupt, scientists rely on typical signs to warn people living nearby: deformation of the ground and earthquakes, caused by underground chambers filling up with magma ...
YouTube on MSN
Why you can't hear volcanoes erupt
Even if a volcano is just a few miles away, you might not hear it erupt. How is that possible? It has to do with a phenomenon known as sound shadows! Hank will tell you all about it in this new ...
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