Volcanos, earthquakes: Is the 'Ring of Fire' alight?
Night eruption at volcano (Shutterstock)

A volcanic eruption in the Philippines forces mass evacuations, while another in Japan kills one person. Across the Pacific, a 7.9 magnitude earthquake hits off Alaska. So what's the link? The spate of activity around the so-called Ring of Fire has raised concerns that a major and potentially deadly volcanic eruption or earthquake could be on the way.