Police officers clean the debris from an earthquake in Uwajima, Ehime prefecture, western Japan

Video. WATCH: Strong earthquake rattles western Japan

A magnitude 6.6 quake struck the west coast of Japan’s Shikoku island on Wednesday night.

A magnitude 6.6 quake struck the west coast of Japan’s Shikoku island on Wednesday night.

Several people received minor injuries. Water pipes were ruptured at several locations in Sukumo City in Kochi prefecture, and gravestones collapsed at a Buddhist temple in Ainan town in Ehime prefecture

Japan, which sits on the Pacific "Ring of Fire,” is among the world's most quake-prone countries.