Volcanic ash is typically a mixture of crushed-up ... lasts longer if more gas makes it into the stratosphere. In 1991, Mount ...

With mostly sunny days and balmy weather this month, Zambales officially opened its Mt. Pinatubo adventure season to entice visitors to discover and experience what is billed here as a “beautiful ...

This is the spectacular moment the Santiaguito volcano eruption was seen from the air in Guatemala. Dramatic footage, including drone and thermal imagery, shows glowing, red-hot rocks and thick plumes ...

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 ...

which during heavy rains can cause a mixture of ash and rocks to flow down into towns and destroy homes and infrastructure. Similar to what happened in the aftermath of the Mt. Pinatubo eruption, ...

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.