Nipponica

Tsunamis of up to one metre were initially expected to arrive or had arrived in some coastal areas in Kyushu and Shikoku islands, the JMA said.

The agency also said a small tsunami was possible in Chiba, about 850km from the epicentre.

“Tsunamis will strike repeatedly. Please do not enter the sea or approach the coast until the warning is lifted,” the agency said on social media platform X.

However, tsunamis of only 50cm, 20cm, and 10cm were confirmed to have hit some places, including the port of Miyazaki, more than an hour after the quake, it said.

The main mutation of the virus currently spreading is KP.3, a subvariant derived from the omicron strain. KP.3 has strong transmission capabilities and can evade immunity, so even those who have been vaccinated or previously infected need to be cautious.

Of the past 10 waves of COVID-19, four have peaked in August. The virus has been replaced by new variants approximately every six months, and experts believe that the trend of infection spread in summer and winter will continue for the foreseeable future.

Less than half of foreign workers and students in Japan's rural areas want to remain in their current region when seeking employment or changing jobs, according to the analysis, compiled by Global Power, an operator of the job search and recruitment site NINJA for highly skilled foreign workers and students.

The company analyzed data from its 42,000 registered users as of May, focusing on their current addresses and desired employment locations.

Among those whose current residence matches their desired employment location, Tokyo leads the way with 51.7%, followed by the prefectures of Fukuoka at 51.5%, Aichi at 49.6% and Osaka at 48.8%. In contrast, Shimane is the lowest at 9.4%, followed by Kochi at 15.4%, Tokushima at 15.9% and Kagawa at 16%.

People want to live where the opprotunities are and the lack of development in rural Japan means no way to improve your wellbeing.

Heavy rain battered wide areas of Japan on Tuesday, disrupting bullet train services between Tokyo and Osaka and prompting the weather agency to urge caution for landslides and floods.