#alifornia-supervolcanoUnmoderated tagAll postsTrending CommunitiesSteemitCryptoAcademyNewcomers' Communityআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem POD TeamSTEEM CN/中文AVLE 일상WORLD OF XPILARSteem AllianceTron Fan ClubComunidad LatinaBeauty of CreativityExplore Communities...#alifornia-supervolcanoTrendingHotNewPayoutsMutedtruthseekernews (51)in #alifornia-supervolcano • 7 years ago240 Cubic Miles of Magma Discovered Underneath Dormant California Supervolcano 'Long Valley Caldera'240 Cubic Miles of Magma Discovered Underneath Dormant California Supervolcano 'Long Valley Caldera' Links -…