When a large volcano erupts, as Mount Spurr appears close to doing about 80 miles from Anchorage, Alaska, it can ...

Could a volcanic eruption blow ash out of the Earth’s ... The highest volcanic column measured on Earth, from Mount Pinatubo in 1991, rose only 22 miles. But that was above the troposphere ...

Volcanic ash forms when viscous magma ... rescue and power networks, as the 1991 eruption of Mount Pinatubo in the Philippines dramatically demonstrated. During an ashfall event, the most ...

Past volcanic eruptions, such as that of nearby Pinatubo in ... The sulfate aerosols were about 50% smaller than those that occurred after the Pinatubo eruption, which made them better at blocking ...

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.

The area on the island of Negros around Kanlaon Volcano, one of 24 active volcanoes in the Southeast Asian nation, was still under evacuation orders from an eruption in December. There were no ...

a country situated along the Pacific "Ring of Fire" where seismic and volcanic activity is common. The eruption adds to the compounding natural threats faced by the archipelago, which also ...

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.