Osaka and surrounding areas in western Japan hit by a powerful earthquake on Monday are in a region where experts have long warned of the potential for major seismic activity.The inland earthquake, with a preliminary magnitude of 6.1, occurred at a depth of around 13 kilometers shortly before 8 a.m., with its epicenter in the northern part of Osaka Prefecture in an area where active faults are concentrated.Takuya Nishimura, an associate professor of geodetics at Kyoto University, said there was a possibility that the quake had occurred at the eastern end of a fault extending from the northe…READ FULL ARTICLE