The double-hit earthquake that struck the city of Kumamoto in Japan last week was some 1,000 miles away from the infamous 2011 Miyagi earthquake. But all of the Japanese islands straddle the huge boundary that separates the Eurasian Plate from the Pacific one. This seam in the earth’s crust is a reminder that the solid ground we take for granted is really paper-thin.
Earth Sense: Pacific Rim a high risk zone for quakes, volcanos, storms