when the Philippines’ Mount Pinatubo finally blew, after months of earthquakes and magma slowly seeping to the top. The resulting ash cloud was 22 miles (35 kilometers) high, and 20 million tons ...

Damage from volcanic ash at Clark Air Force Base in the Philippines after the June 15, 1991, eruption of Mount Pinatubo. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...

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.

Clark Air Force Base was closed after being damaged in the 1991 explosion of Mount Pinatubo, and the naval base at Subic Bay was closed in 1992 after the Philippine government rejected an ...