Waves of up to 30 centimetres were observed in Miyazaki, in the prefecture of the same name, while readings of up to 20 centimetres were logged on Chichijima in the Ogasawara chain, in Kushimoto, Wakayama Prefecture, and on Kagoshima’s Tanegashima island.
Ayataka Ebita, director of the agency’s Earthquake and Tsunami Observation Division, told a press conference in Tokyo that areas previously covered by the advisory could continue to experience sea-level changes for an extended period.
He urged people to take full precautions when working at sea or fishing.
The Japanese government set up a liaison office at the crisis management centre of the prime minister’s office in Tokyo.
In a post on X, formerly Twitter, Prime Minister Sanae Takaichi called on people in areas under advisement to follow instructions from the agency and local governments and to take necessary precautions, including evacuation.
