Saint-Pierre was founded in 1635 by Pierre Belain d'Esnambuc, a French trader and adventurer, as the first permanent French colony on Martinique. Over the next two and a half centuries, it grew into the most important city in the French Caribbean, eclipsing even Fort-de-France, which held the title of administrative capital but not the cultural weight. Saint-Pierre had the theaters, the trading houses, the social life. Its streets ran with rum and commerce, and its harbor connected Martinique to France and the wider world. The nickname 'the Paris of the Caribbean' was not entirely flattery. The city had a genuine cosmopolitan energy, fed by its position as the economic engine of an island that produced sugar, rum, and cocoa for European markets. It had survived disaster before. The Great Hurricane of 1780 produced a 25-foot storm surge that destroyed every house in the city and killed 9,000 people. Saint-Pierre rebuilt then. After 1902, it did not.

Mount Pelee had been restless for weeks before the eruption. Fumaroles opened on its slopes. Ash fell on the city. A river of boiling mud destroyed a sugar mill, killing 23 workers. On May 5, three days before the catastrophe, a massive lahar swept down the Riviere Blanche. Birds fled the mountain. Snakes, driven from their habitats by volcanic gases, slithered into the streets of Saint-Pierre. But the science of volcanology in 1902 did not yet include an understanding of pyroclastic flows, the fast-moving currents of superheated gas and rock that would prove far more lethal than any lava. Authorities believed the danger came from lava flows, and that two valleys between Pelee and the city would channel any flow safely away. An election was imminent, and newspapers alleged that the mayor blocked roads to prevent citizens from leaving, though this story may have originated with a political rival of the governor. Whatever the reasons, the city was not evacuated. People from surrounding villages actually moved into Saint-Pierre, believing it was the safest place to be.

The eruption came at approximately 8:02 a.m. on May 8, 1902. A pyroclastic surge, a turbulent cloud of superheated volcanic gas, ash, and rock fragments, burst from the side of the volcano and raced down toward the city. The temperature inside the cloud exceeded 1,000 degrees Fahrenheit. It moved so fast that there was no time to flee. Nearly 28,000 people died, most within moments. The entire population of the town, along with refugees from neighboring villages, was killed. Ships anchored in the harbor were set ablaze by the heat. Only three people in and around the city are known to have survived: Cyparis, protected by the thick stone walls of his underground prison cell; Havivra da Ifrile, a young girl; and Leon Compere-Leandre, a shoemaker who lived at the very edge of the city and somehow endured despite severe burns. Cyparis later toured the world with the Barnum and Bailey Circus, exhibited as the man who survived a volcano. He had been in jail for a minor offense.

Saint-Pierre was never fully rebuilt. Small villages grew up in later decades on the ruins, and today the town is the seat of the Arrondissement of Saint-Pierre, home to a few thousand people in a place that once held tens of thousands. It has been designated a French 'City of Art and History,' a title that acknowledges both its pre-eruption grandeur and its catastrophic loss. A Volcanological Museum tells the story of the eruption and displays artifacts recovered from the ruins. In the harbor, the wrecks of ships destroyed on that May morning have become some of the Caribbean's most significant dive sites. The ruins are still visible, stone walls and foundations that mark where streets ran, where people lived, where a city carried on its daily business until a mountain ended everything. Saint-Pierre is not a memorial in the formal sense. It is a place where people live now, alongside the physical evidence of how quickly a city and everyone in it can be erased.