If grazing animals eat volcanic ash, it can damage their teeth, block their intestines ... It can disrupt transportation, ...

When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the ...

If grazing animals eat volcanic ash, it can damage their teeth ... rescue and power networks, as the 1991 eruption of Mount Pinatubo in the Philippines dramatically demonstrated.