The seventh meeting of the WMO/IUGG Volcanic Ash Scientific Advisory Group (VASAG-7) was held at the David A. Johnston Cascades Volcano Observatory, 1300 SE Cardinal Court, Bldg 10, Suite 100, Vancouver, WA, USA, from 21 to 23 August 2017.
This meeting followed the IAVCEI-2017 meeting held in Portland, OR, USA, from 14 to 18 August 2017.
