A Volcano Born Before Human Eyes

On the afternoon of February 20, 1943, a farmer named Dionisio Pulido was working his cornfield near the small indigenous village of Paricutín, in the western Mexican state of Michoacán. He noticed a crack in the earth that had been there for some time, but on that particular afternoon the ground began to tremble, a smell of sulfur filled the air, and thin wisps of smoke started rising from the fissure. By nightfall, burning cinders and glowing rocks were being hurled into the sky.

What Pulido had stumbled upon was the birth of a new volcano — an event so rare that scientists consider it one of the most extraordinary geological occurrences ever witnessed by human beings. Within twenty-four hours, the mound of ejected material had grown several meters high. Within a week, it stood roughly 50 meters above the surrounding plain.

“I then felt a thunder, the trees trembled, and it was then I saw how, in the hole, the ground swelled and raised itself two or three meters high.”

— Dionisio Pulido, eyewitness account, 1943

Pulido, his wife Paula, and their neighbor Gil Ortiz are the named witnesses to the volcano’s first moments of life. Their account was recorded by scientists who arrived within days. Pulido reportedly attempted to smother the smoking fissure with soil before realizing the scale of what was happening. He never farmed that field again.

Rapid Growth and Escalating Eruptions

Paricutín grew with astonishing speed. During the first weeks, the eruption was intensely explosive, sending columns of ash, lapilli, and volcanic bombs thousands of meters into the sky. The noise could be heard from towns many kilometers away, and the glow of the crater was visible across the Michoacán highlands at night.

By the end of its first year, the cinder cone had reached approximately 336 meters above the original field level. At its greatest height, the summit of the cone stood around 424 meters above its base — making it one of the tallest cinder cones ever documented during active growth. The volcano sat at an elevation of roughly 3,170 meters above sea level.

As the explosive phase continued, lava flows began spilling from the base of the cone. These viscous rivers of molten basalt moved slowly but relentlessly across the surrounding farmland and forests, covering an area that would eventually reach approximately 25 square kilometers. The landscape of the Michoacán plateau was being permanently rewritten.

The Burial of Two Towns

As the lava flows expanded outward from the growing cone, two communities found themselves directly in their path. The village of Paricutín — the settlement that gave the volcano its name — was the first to be evacuated and ultimately buried beneath ash and lava. Its approximately 700 inhabitants relocated to a new settlement several kilometers away.

The larger and more significant loss was the town of San Juan Parangaricutiro, a historic Purépecha community with a colonial-era church that had stood for centuries. As the lava advanced through 1944, the roughly 8,000 residents were evacuated and resettled in a new location, which they named San Juan Nuevo Parangaricutiro. The old town was slowly engulfed.

Remarkably, no deaths were caused directly by the lava flows themselves. The movements were slow enough for complete evacuations to be carried out. Three deaths were recorded during the entire nine-year eruption, all caused by lightning strikes generated by the volcanic electrical storms — a common but dangerous byproduct of large ash columns.

What remained of San Juan Parangaricutiro after the lava hardened was haunting: the stone tower and portions of the facade of the old parish church protruded from the frozen black lava field, preserved in the act of being swallowed. Those ruins stand to this day and have become one of the most visited and photographed geological landmarks in all of Mexico.

Scientific Observation and Global Significance

From the moment of its birth, Paricutín attracted scientists from around the world. Volcanologists, geologists, and geographers converged on Michoacán to study the eruption in real time. Because the volcano appeared in an era of modern science and was geographically accessible, it offered something unprecedented: a complete, observable record of a volcanic life cycle from beginning to end.

Researchers documented the successive stages of cone formation, the composition and behavior of lava flows, the acoustic and seismic signatures of eruptive episodes, and the gradual transformation of the surrounding landscape. The data gathered at Paricutín informed generations of volcanological study and helped establish many of the baseline models used to understand cinder cone development.

Paricutín is classified as a monogenetic volcano — a type that erupts from a single vent during a single eruptive episode and then goes permanently dormant. This distinguishes it from stratovolcanoes and shield volcanoes, which can erupt repeatedly over tens of thousands of years. The entire lifespan of a monogenetic volcano like Paricutín is typically measured in years or decades, making the nine-year eruption relatively long for its type.

The volcano is located within the Michoacán–Guanajuato Volcanic Field, one of the largest and most active monogenetic volcanic fields on Earth, containing over 1,400 individual volcanic vents. The appearance of Paricutín was therefore not entirely surprising to geologists familiar with the region — but the fact that humans were present to witness it from the very first moment remains extraordinary.

The End of the Eruption and What Was Left Behind

Volcanic activity at Paricutín decreased steadily through the late 1940s and early 1950s. The explosive phase subsided first, giving way to quieter effusive flows. By early 1952, the eruption had reduced to a few scattered steam vents and minor lava seeps. On March 4, 1952 — nine years and twelve days after its birth — the eruption ceased entirely. Paricutín fell silent.

What remained was a stark and alien terrain. The cone itself, dark and steep, rose above a vast field of hardened black lava known locally as a malpais — a “badland.” Beneath that lava lay the fields, the forests, and the streets of two communities that had simply ceased to exist as living places.

In the decades that followed, life returned slowly. Pioneer plant species began colonizing the cooled lava. Insects, birds, and small mammals recolonized the margins of the flow. By the early twenty-first century, substantial vegetation had grown back across significant portions of the affected area, offering ecologists a natural laboratory for studying post-volcanic succession — how ecosystems rebuild themselves after total destruction.

Paricutín Today: Memory, Tourism, and the Living Landscape

Today, Paricutín is accessible to visitors from the town of Angahuan, a Purépecha community whose residents serve as guides and provide horses for the crossing of the lava field. The trek to the crater rim is demanding — several hours on foot or horseback across broken, uneven volcanic rock — but it rewards visitors with one of the most dramatic and lonely landscapes in North America.

The ruins of the church of San Juan Parangaricutiro remain the most evocative sight on the route: a colonial bell tower rising from black stone, the surrounding lava frozen in motion, the silence broken only by wind. For the Purépecha people of the region, the church ruins are not merely a tourist attraction but a place of pilgrimage and memory — a monument to a town that was swallowed, and a people who survived.

Paricutín is also recognized as one of the Seven Natural Wonders of the World as listed by CNN, alongside landmarks such as the Grand Canyon and the Northern Lights. It remains the only volcano in recorded history to have been observed from birth to extinction, a distinction that ensures its continued importance in the history of Earth science.