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Direct Observation of Spallation Bombs During The 2021 La Palma Eruption, Canary Islands, Spain
Expulsion of incandescent pyroclasts of >64 mm from active volcanoes are known as 'volcanic bombs'1-3, which can pose significant hazards to life and manmade structures. Most volcanic bombs are considered to fall ballistically, enabling the prediction of a volcanic hazard radius4,5. Here we describe a bomb type that was ejected ballistically, but subsequently travelled downslope a steep volcanic flank, posing an important but hitherto unrecognized impact and fire hazard. The volcanic bombs weredoi:10.21203/rs.3.rs-1297697/v1 fatcat:qbxan2646nfs3ns2l6au2b2eza