The Japan Meteorological Agency has issued a tsunami warning since the 6.7 magnitude earthquake that occurred off the coast of Yamagata Prefecture in June.
At this time, tsunami warnings were announced in Yamagata Prefecture and Noto, Ishikawa Prefecture, and tsunamis with a height of 11 cm were observed in Yamagata Prefecture, and tsunamis with a height of 8 cm were observed in Akita, Niigata, and Ishikawa prefectures, respectively.
In Miyagi Prefecture, a tsunami warning was announced for a magnitude 7.4 earthquake that occurred off the coast of Fukushima Prefecture in November five years ago.