Tokyo: An earthquake of magnitude 6.4 jolted west coast of Shikoku island on Wednesday night. 

According to the initial reports, there was no threat of a Tsunami.

The quake struck at 11:14 PM. 

The quake Struck at a depth of 50 kilometers. Its epicenter was in the Bungo Channel, a straight separating the islands of Kyushu and Shikoku.