There were no reports of casualties or any damage, reported USA Today.
There were also no tsunami warnings issued, the Japan Meteorological Agency said. “Although there may be slight sea-level changes in coastal regions, the earthquake caused no damage to Japan,” it said, according to Reuters.
The quake’s epicenter was around 4 miles northwest of Sumoto, said the U.S. Geological Survey. The quake, which had a depth of around 3.3 miles, struck in the Seto Island Sea between the islands of Shikoku and Honshu.
The quake hit at around 5:33 a.m. local Japanese time.
The Kyodo news agency reported that there were no immediate reports of damage to the Ikata nuclear power plant, according to TV NZ.