A strong earthquake has struck Japan's coast south of the Fukushima nuclear plant currently undergoing a dangerous removal of highly radioactive Unit 4 fuel rods, according to online reports.
The U.S. Geological Survey reports that a 5.7 magnitude earthquake has struck Japan 25 kilometers southeast of Toba, releasing the following tweet:
The quake struck at around 04:10am local time (0610 AEDT) on Tuesday off the eastern Honshu coastline, 25km from the city of Toba and 37km from the city of Ise, according to the US Geological Survey which monitors earthquakes worldwide.
The tremor struck far down at a depth of 332km, USGS added. There are no initial reports of damage.
Reports of the earthquake are still emerging. The following Twitter feed has news and updates.