The duration of ashfall can vary significantly depending on the eruption's intensity and duration. Ashfall may last for a few hours to several days following an explosive volcanic eruption. In some cases, lighter ash may continue to fall sporadically for weeks or even months. The thickness and distribution of ash also depend on factors such as wind direction and atmospheric conditions.
An ashfall is a collective term for the precipitation of ash from a volcanic eruption.
No, it is not.
The Mt. St. Helens ashfall map shows the areas affected by volcanic ash after the eruption of the volcano. It provides information on the distribution and extent of the ashfall, helping people understand the impact of the eruption on different regions.
Tews falls is a long waterfall which is 41m high and 9m wide. It long but not as long as Angel Falls, the longest river in the world!
3,420 miles long
The famous Victoria Falls is 4.35 billon feet long. It is twice as long and twice as wide as Niagra Falls. That is a famous fact!!!!!
Niagara falls is in NY.
18 km long
A very long time
Dunn's Falls is a waterfall in Jamaica. It is 180 feet high and 600 feet long.
Victoria Falls is 1708 metres wide and 108 metres high.
approx. 62miles