On May 8, 1902, Mont Pel e on the island of Martinique exploded. A deadly cloud of steam and ash churned through plantations and villages, flattened the grand city of St. Pierre, then thundered into the bay where it sank eighteen ships and hundreds of smaller craft. Within a minute or two, nearly 30,000 humans died. The splintered rubble of their homes and belongings burned for three days, and the world began to understand the awesome power of nu...