The two powerful earthquakes that struck Venezuela’s northern coast, killing more than 180 people, were an event known as a “doublet.” Doublet earthquakes happen when

On Wednesday evening, Venezuela was hit with its largest tremors in more than a century — toppling buildings and claiming more than 100 lives. The event, according to the US Geological Survey, was a rare phenomenon called a “doublet” that contained not one but two major earthquakes.