Overview
- The earthquake struck just after 5 p.m. local time at a depth of about 10 km off the Sanriku coast.
- The Japan Meteorological Agency forecasts waves up to one metre for Iwate and slight sea-level changes along parts of Hokkaido and the Honshu coast.
- The advisory level signals dangerous currents, with residents told to stay out of the water and away from shorelines.
- NHK reported offshore tsunami waves were observed near the coast, though live broadcasts showed calm seas.
- There were no immediate reports of casualties or widespread damage as authorities continue to monitor conditions.