Earthquake in Japan: 7.1 Magnitude In Pacufic Coast, Plate Tectonic Subduction Accretionary Wedge 

A tsunami advisory was issued on Thursday after a powerful earthquake measuring magnitude 7.1 hit off the coast of southern Japan.
The Japan Meteorological Agency said the quake was centred off the eastern coast of Japan's southern main island of Kyushu at a depth of about 30 kilometres.
It issued a tsunami advisory, predicting waves of up to 1 metre along the southern coast of Kyushu and the nearby island of Shikoku.
The quake most strongly shook Nichinan city and nearby areas in Miyazaki prefecture on Kyushu island.