Japan’s Earthquake Research Committee has revised its assessment of seismic risk in the country’s western Kinki region, raising the estimated likelihood of a major earthquake to as much as 60 percent over the next 30 years. This updated evaluation focuses on the area encompassing Osaka, Kyoto, and Kobe, where active faults pose a significant threat of a magnitude 6.8 or greater quake.

The committee attributes the heightened risk in the Kinki region to the presence of numerous active faults, a geological consequence of the Sea of Japan’s expansion during the archipelago’s formation. This concentrated fault activity distinguishes the area from other parts of Japan, which is itself situated along several tectonic plate boundaries and frequently experiences seismic events.

The revised figures come as part of an ongoing, nationwide review by Japanese authorities aimed at better understanding earthquake hazards and enhancing preparedness. The government’s renewed focus on the Kinki region underscores the importance of proactive disaster mitigation measures in one of Japan’s most densely populated and economically vital areas.

Officials have emphasized that the updated probability serves as a critical tool for urban planners, emergency services, and residents to strengthen infrastructure resilience and emergency response protocols. The assessment also calls attention to the necessity of continued research and monitoring to refine risk estimates and reduce the potential impact of future seismic disasters in the region.