Volcanic Ash, What it can do and how to minimize damage

What is Volcanic Ash?

Volcanic ash consists of tiny jagged pieces of rock and glass. Ash is hard, abrasive, mildly corrosive, conducts electricity when wet, and does not dissolve in water. Ash is spread over broad areas by wind.

| Ash properties & ash distribution |

What is it like during ash fall?

Ash begins falling on the Montserrat Volcano Observatory, Soufriere Hills volcano

Falling ash can turn daylight into complete darkness. Accompanied by rain and lightning, the gritty ash can lead to power outages, prevent communications, and disorient people.

| Images & descriptions of ash fall |

Guidance for homes, business, & communities?

Ash clean up in Anchorage, Alaska, after eruption of Mount Spurr in 1992

Taking action before, during, and after an ash fall can prevent or reduce many of the damaging effects of ash. Removing ash requires disposal sites and coordination among individuals and households, community organizations, and businesses.

| Actions to take | Ash clean-up |

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