Japan Strong Earthquake M8.5  2028 JST 30MAY2015 Take precautions for aftershocks or more earthquake activity! This may trigger volcanic activity in the Pacific Ocean south of Tokyo. Tsunami situation unknow at this time.  Take precautions and move to higher ground and away from ocean. Buildings still shaking here in Tokyo some 10 minutes after the event. 20:30 JST 30 May 2015 20:24 JST 30