Japan — Japan Meteorological Agency & Sanae Takaichi

Japan — Japan Meteorological Agency: Japan — Japan Meteorological Agency reported the earthquake's magnitude, issued tsunami alerts and advisories, and cautioned about possible aftershocks and increased risk of a megaquake.

Japan — Japan Meteorological Agency: Japan — Japan Meteorological Agency issued tsunami warnings and advisories, detected tsunami waves, and cautioned about potential aftershocks, playing a crucial role in public safety and information dissemination.

Japan — Japan Meteorological Agency: The Japan — Japan Meteorological Agency reported the earthquake, downgraded its magnitude, and issued tsunami warnings, later lifting them. It also warned of potential aftershocks.

Japan — Japan Meteorological Agency: The Japan — Japan Meteorological Agency measured the tsunami waves, lifted advisories, and cautioned about potential aftershocks and increased risk of future quakes along Japan's northeastern coast.