The Japan Meteorological Agency (JMA), which initially warned of tsunami waves of up to three meters high in the southern region of the island of Okinawa, said much smaller waves were recorded in several places.
On Jonaguni Island near Taiwan at 9 a.m. 18 minutes local time (3 hours 18 minutes Lithuanian) time, 18 minutes after the earthquake, waves up to 30 cm high arose.
Waves of the same height were also recorded on Miyako Island after just over an hour, while a 20 cm high wave was recorded on Ishigaki Island, JMA reported.
Naha Airport, Okinawa’s main aviation hub, was suspended as a precaution and incoming flights were diverted, according to a Transport Ministry official working at the airport.
However, television footage showed people were allowed to check-in for flights again later that day.
According to the US Geological Survey (USGS), a 7.4-magnitude earthquake struck eastern Taiwan on Wednesday morning and triggered a tsunami threat in Taiwan, southern Japan and the Philippines.
The JMA initially put the earthquake at 7.5, but later upgraded it to 7.7.
