TOKYO, April 3 (Xinhua) -- Japan's weather agency on Wednesday morning issued a tsunami warning for islands of the southern Okinawa prefecture, with waves having already reached some areas.
A 30-centimeter tsunami was observed at the island of Yonaguni at 9:18 a.m. local time, according to the Japan Meteorological Agency (JMA).
Weather officials expected 3-meter-high waves to be rapidly approaching Miyakojima and Yaeyama islands and will arrive at Okinawa Main Island region at around 10:00 a.m. local time.
The agency has urged the local residents to evacuate to higher ground or safe places as soon as possible. ■