The magnitude-7.3 earthquake that pounded Kumamoto Prefecture early Saturday was more powerful than a foreshock that struck two days earlier. The seismic activity then moved northeast to reach areas in Oita Prefecture about 100 kilometers away from the focus of the magnitude-7.3 quake. Experts are concerned that quake activities could spread to a major active fault that lies further ahead in that direction.

On Saturday morning, Yomiuri Shimbun reporters entered the town of Mashiki, Kumamoto Prefecture, where aftershocks continue to rattle the area. Many houses in the town’s Dozono district have collapsed. A large crack ran through a field, leaving a line of what looked like overturned earth. A road crossing the field was buckled out of alignment. READ MORE