- A powerful 7.5-magnitude earthquake struck off Japan's northeastern coast, prompting tsunami warnings.
- Warnings have been issued for the Japanese coastline, with potential tsunami waves as high as 3m.
- The earthquake occurred off the Sanriku coast at 4:53 pm local time, with its epicentre at a depth of approximately 10km.
- The earthquake initially measured at 7.4 magnitude before later being upgraded to 7.5.
- On Japan's own seismic intensity scale it measured an “upper – strong enough to make it difficult for people to move around. In many cases, unreinforced concrete-block walls collapse.
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