Fig. 4

Disposal sites used for tephra deposition in VLA. Aerial imagery sources: Esri, DigitalGlobe, GeoEye, i-cubed, USDA FSA, USGS, AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS User Community dated 26 March 2018. Ground photos from December 2016 (20 months post deposition). White dashed box is approximate extent of VLA