Obsidian Wine Co. and Brassfield Estate recently hosted a webinar with Somm Journal to discuss volcanic wines. Somm Journal VP of Education moderated the panel with Jonathan Walters, GM of Brassfield Estate; Arpad Molnar, co-founder of Obsidian Wine Co., Dr. Seth Burgess, renowned research geologist; and Katharine & David Desante, winemaking consultants at Brassfield.