New study estimates frequency of flight-disrupting volcanic eruptions

New study estimates frequency of flight-disrupting volcanic eruptions 01/05/2017 11:00 AM EST Holidaymakers concerned about fresh volcanic eruptions causing flight-disrupting ash clouds across Northern Europe might be reassured by a study setting out the first reliable estimates of their frequency. Full story at http://www.leeds.ac.uk/news/article/3964/new_study_estimates_frequency_of_volcanic_eruptions Source University of Leeds This is an NSF News From the Field item.   Follow NSF:  This email was sent using GovDelivery, on behalf of: National Science Foundation Update · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111