Overview

• USGS placed the epicenter about 56 km east of Tomioka at a depth of 46.8 km, with the strongest shaking near the coast.
• The Japan Meteorological Agency ruled out a tsunami threat and advised vigilance for possible aftershocks.
• Local authorities reported no fatalities, no major damage, and no incidents at regional nuclear facilities.
• Early warning alerts were issued, some residents evacuated buildings, and certain transport services paused as emergency protocols activated.
• Japan’s frequent seismic activity on the Pacific Ring of Fire and the legacy of the 2011 disaster frame public sensitivity to quakes in the region.