The warning prompted Japanese Prime Minister Fumio Kishida tocancela trip to several Central Asia countries.
The JMA issued a tsunami warning, which was later dismissed.
On Friday, a weaker quake, measuring 5.3, struck the Kanagawa Prefecture south of Tokyo.
A map of estimated seismic activity in Japan on August 9, 2024.© Japan Meteorological Agency
TheJapan Timesreportedthat the quakes didnt result in any fatalities and caused only 16 mostly minor injuries.
Another pair of sister quakes in 1944 and 1946 claimed 1,200 and 1,300 lives, respectively.
That quake wascausedby seismic activity along the boundary between the Pacific and North American tectonic plates.
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