The second-largest volcanic eruption of the 20th century, climaxing on 15 June 1991 after months of phreatic explosions and seismic unrest. The eruption sent an ash column about 40 kilometers into the atmosphere, collapsed the summit into a caldera, and injected enough sulfur dioxide into the stratosphere to cool global temperatures by about 0.5 degrees Celsius over the following two years; it is considered one of the best forecast major eruptions in history.
Facts
Magnitude or ScaleVolcanic Explosivity Index (VEI) 6, ash column about 40 kilometers 1 LocationZambales Mountains, Luzon, Philippines 1 Cross-Tradition Connections
Associated With
Rated Volcanic Explosivity Index 6.
In Discipline
Its stratospheric sulfur dioxide cooled global temperatures by about 0.5 degrees Celsius over the following two years.
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