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With mostly sunny days and balmy weather this month, Zambales officially opened its Mt. Pinatubo adventure season to entice ...

For modern volcanoes, satellite data shows how much sulfur dioxide is released. When Mount Pinatubo in the Philippines erupted in 1991, it propelled roughly 15 million tons into the stratosphere. This ...

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Caption Thomas Marler (left) and Gil Cruz (center) measure cycad plant size traits in the foothills of Mount Pinatubo, Philippines, along with Ulysses Ferreras (right) from the Philippine Native ...

At the time of publication, it represented the best available science. In early 1991, Mt. Pinatubo, a volcano north of Manila on the Philippine island of Luzon, had been dormant for more than 500 ...

In 1991, the long-dormant Mount Pinatubo north of Manila witnessed one of the largest volcanic eruptions of the 20th century that resulted in the deaths of hundreds of people.

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An animation of the Mount Pinatubo eruption of 1991 in the Philippines and its effect on the global climate. The eruption caused sulphur dioxide and ash particles to be ejected into the atmosphere.

For modern volcanoes, satellite data shows how much sulfur dioxide is released. When Mount Pinatubo in the Philippines erupted in 1991, it propelled roughly 15 million tons into the stratosphere.