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Volcanic ash is a known hazard to aviation. Currently there are several satellite-based measurements that can detect volcanic substances, notably ash and SO2 gas, and these have been used in an ad hoc way to provide information to Volcanic Ash Advisory Centres (VAACs) and then to aviation to assist averting danger. While these data have been extremely useful, they lack quantitative value and all the...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.