This greatly depends on the size of the eruption. From Mt. Saint Helen the ash fall covered 22,000 miles and erupted some 1-2 cubic kilometers of ash. However from the eruption that happened in yellowstone 2.2 million years ago produced 2500 cubic kilometers and ash covered most of the US.
Volcanic ash tends to contain a mixture of tiny, sharp pieces of rock and glass, made from liquid droplets volcano that have cooled quickly. It's abrasive and mildy acidic and is known as tephra. Volcanic ash is expelled with great force from a volcano during an eruption. When the ash falls, it is hot and deadly, and can ignite fires, and it can also be spread over a very wide area by winds.
An ash fall is a rain of airborne ash resulting from a volcanic eruption.
Ash Wednesday falls on February 17, 2010.
Ash Wednesday in 2008 took place on February 6th.
The area of Bracon Ash is 9,840,000.0 square meters.
The area of Ash-Shuyukh is 22,088 square kilometers.
If an extremely thick amount of ash falls on building roofs, it will cause them to collapse due to the extremely heavy weight.
If an extremely thick amount of ash falls on building roofs, it will cause them to collapse due to the extremely heavy weight.
The area of Madinat ash Shamal is 902 square kilometers.
The area of Baqa ash-Sharqiyya is 4,200,000.0 square meters.
The area of Asira ash-Shamaliya is 29.4 square kilometers.
Plates had sex and and made a volcano and made the river with ash and formed Victoria Falls!