Overview
- An earthquake struck northeastern Chiba at 00:07 JST and was measured by the Japan Meteorological Agency as magnitude 5.4 with a hypocenter about 50 km deep.
- The strongest shaking recorded was shindo 5‑ in Yokoshibahikari, which can move unsecured furniture and cause some non‑structural damage.
- Several nearby Chiba municipalities, including Asahi, Sosa, Katori, Sanmu, Tako, Kujukuri and Shibayama, reported shindo 4 shaking.
- The Japan Meteorological Agency said there was no tsunami concern and media outlets reproduced JMA updates and links to safety guidance.
- At the time of reporting no confirmed injuries or structural damage were published and authorities continue to monitor and update the public as needed.