An initial tsunami wave approximately 1 meter (3.2 feet) high made landfall within 30 minutes of the earthquake, the Associated Press reported, citing Japanese public broadcaster NHK TV.

According to the Japan Meteorological Agency, the tsunami waves could reach up to one metre. But the advisory issued for Miyazaki and Kochi prefectures has been lifted on Monday evening Japan time.

The Japan Meteorological Agency (JMA) warned of possible tsunami waves of up to one metre (three feet) and urged the public to stay away from coastal waters. "Tsunami can strike repeatedly.

The Japanese weather agency had issued a tsunami advisory for Miyazaki and Kochi prefectures, with expected heights of about 1 meter. One tsunami wave measuring about 8 inches reached some coasts ...