A series of powerful quakes struck countries in a tremor danger zone known as the Ring of Fire this week. A magnitude 7.1 earthquake devastated Mexico, killing at least 273, on Tuesday followed by ruptures in New Zealand on Wednesday and Japan, Vanuatu and Indonesia on Thursday. Up to 81% of

the world’s worst earthquakes occur in the Ring of Fire, United States Geological Survey figures show. But baffled scientists have been left stunned by the “unusual” frequency of the quakes – leading to concerns California could be in danger. The series of recent earthquakes were triggered by seismic waves travelling along the fault lines that are in constant motion, according to experts. READ MORE