History: The 1991 eruption of Mount Pinatubo was one of the largest of the 20th century. ... The most recent eruption, 640,000 years ago, created the Yellowstone Caldera.

When Mount Pinatubo in the Philippines erupted in 1991, it propelled roughly 15 million tons into the stratosphere. This wasn’t a massive eruption like Tambora, but it still cooled the world by ...

Mount Pinatubo erupted over the course of three days, culminating in a cataclysmic blast on June 15—the very same day Typhoon Yunya swept across the region. Heavy rains and gusty winds made the ...

Magma infused with gas—not unlike a carbonated drink—reached the surface on June 12, unleashing Mount Pinatubo’s first violent eruption. A column of ash exploded 19 kilometres into the ...