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 ...

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.

Edited by: Neeraja Sankaran C.R. Trepte, R.E. Viega, M.P. McCormick, "The poleward dispersal of Mount Pinatubo volcanic aerosol," Journal of Geophysical Research, 98:18563-73, 1993. (Cited in 12 ...

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After the eruption of Nevado del Ruiz killed more than 23,000 people in Colombia in 1985, the U.S. Office of Foreign Disaster Assistance asked the U.S. Geological Survey to design a program to ...

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.

When Mount Pinatubo erupted in 1991, it released approximately 15 million tons of sulfur dioxide, cooling the planet by about 0.5°C for several years. More ancient eruptions, like Tambora in 1815 ...