Japan earthquake map
© USGS7.0 earthquake 30.900ยฐN 128.700ยฐE depth=10.0 km (6.2 mi)
A powerful earthquake has reportedly struck off the southwestern coast of Japan, near Satsuma.

The Japanese Meteorological Agency has reportedly issued a tsunami advisory following the 7.0 quake.

The US Geological Survey measured the quake as a magnitude 7.1.