A tsunami measuring about 3 meters high reached the Shika nuclear power plant in Ishikawa Prefecture following a powerful earthquake that shook central Japan last week but caused no major safety problems, its operator says.
Japan's weather agency issued a tsunami alert late Saturday in areas facing the Pacific including the prefectures of Chiba, Shizuoka and Kagoshima, after a magnitude 7.7 earthquake hit off the Philippines.
An earthquake with a preliminary magnitude of 6.4 rattles southwestern Japan, causing strong shaking in the region but there was no fear of a tsunami, the weather agency says.
An earthquake with a preliminary magnitude of 6.3 strikes near the Ogasawara Islands in the Pacific Ocean, south of Tokyo, but there is no fear of a tsunami, the weather agency says.
An earthquake with a preliminary magnitude of 5.2 strikes northeastern and eastern Japan including Tokyo, but there is no threat of a tsunami, the weather agency says.