ash fall


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ash fall

[′ash ‚fȯl]
(geology)
A fall of airborne volcanic ash from an eruption cloud; characteristic of Vulcanian eruptions. Also known as ash shower.
Volcanic ash resulting from an ash fall and lying on the ground surface.
References in periodicals archive ?
The health department said it has enough medicine to avert respiratory illnesses due to ash fall.
As part of the dissemination campaign, the PRC also educated the affected communities on ways to cope with ash fall and advised the residents to seek immediate medical attention in case of health concerns caused by volcanic ash.
If the ash fall becomes heavier, then it could become a danger to roofs as ash might seem like snow, but is 2-3 times more dense.
Fish farms, another major business for the affected area, also had significant damage, with ash fall choking thousands of fish in their tanks.
It may be hard for residents of the province to believe that its largest environmental catastrophe in the human era was a volcanic ash fall.
Researchers used simulation software called Ash3d that forecasts ash fall by applying global wind patterns to data from historical eruptions.
Nearby towns of Mayskoye and Kozyrevsk have been affected by volcanic ash fall, but no human casualties have been recorded
Proposed Effects of the White River Ash Fall and Athapaskan Migrations
The ban on flights since the ash fall has large implications for employers' payroll departments.
27 April 2010 - Further to the eruption of the Eyjafjallajokull volcano in Iceland and its resulting ash fall, the European Food Safety Authority (EFSA) was asked by the European Commission to provide urgent advice on the risks to public and animal health in the European Union posed by a possible contamination of the feed and food chain.
However, other scientists believe that ash fall will be too limited and scattered to have much impact outside of Iceland.
Strong external indications began in July 2004 with two ash fall emissions and since that time the activity level has increased.