Bridgestone’s Kumamoto Plant Ceases Operations, Conducts Safety Checks After Powerful Quake on April 18, 2016 in Industry, News A magnitude-6.4 earthquake struck at 9.26 p.m. Japan Standard Time on April 14, with its epicenter near the city of…... Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Continue Reading