The earthquake with a magnitude of 6.9 hits southwestern Japan

A magnitude 6.9 earthquake shook southwestern Japan on Monday, January 13, causing a tsunami advisory to be issuedauthorities said.

The Japan Meteorological Agency said in a statement that the earthquake occurred with its epicenter in the Hyuga-Nada Sea around 21:19 local time, adding that seismic activity has continued since then.

“This earthquake was assessed as a reverse fault type earthquake with a thrust axis in the west-northwest and east-southeast directions and was a magnitude 6.7 earthquake caused by part of the boundary between the land plate and the Philippine Sea plate in the expected focus area for the Nankai Trough earthquake,” the agency said.

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A tsunami advisory for Miyazaki Prefecture as well as Kochi Prefecture was issued shortly after the tremor, CNN and CBS News reported.

There have so far been no reports of damage in connection with the shaking, according to Associated Presswho added that the tsunami advisory was later cancelled. At the time of the quake, officials advised people to avoid coastal areas, Japanese television said NHK reported.

AP, citing NHK, reported that a man was slightly injured on the Japanese island of Kyushu when he fell on a flight of stairs, and train service at Miyazaki Station was halted.

The Japan Meteorological Agency said Monday it will continue to observe crustal activity along the Nankai Trough.

According to NHK, the Japanese government estimated that in a worst-case scenario, over 230,000 people would die and 2 million buildings would be destroyed if an earthquake struck the Nakai Trough.

Last January, a magnitude 7.6 earthquake struck Japan’s western region, killing over 200 people and damaging or destroying about 49,000 homes. The Guardian reported.