The 2018 rift eruption and summit collapse of Kīlauea Volcano.

C A Neal S R Brantley L AntolikJ L BabbM BurgessK CallesM Cappos J C Chang S Conway L Desmither P DotrayT EliasP FukunagaS FukeIngrid A Johanson K KamibayashiJ KauahikauaR Lopaka Lee S Pekalib Asta Miklius W Million C J Moniz P A Nadeau P OkuboC ParchetaMatthew R Patrick B R ShiroD A SwansonW TollettF TrusdellE F YoungerM H Zoeller Emily K Montgomery-Brown Kyle R Anderson Michael P Poland J L Ball J BardM CoombsH R Dietterich Christoph KernW A ThelenP F Cervelli T Orr Bruce F Houghton Cheryl GanseckiR HazlettPaul Lundgren Angela K Diefenbach A H LernerG WaitePeter Kelly L Clor Cynthia Werner K Mulliken G FisherD Damby

Published in: Science (New York, N.Y.) (2018)

In 2018, Kīlauea Volcano experienced its largest lower East Rift Zone (LERZ) eruption and caldera collapse in at least 200 years. After collapse of the Pu'u 'Ō'ō vent on 30 April, magma propagated downrift. Eruptive fissures opened in the LERZ on 3 May, eventually extending ~6.8 kilometers. A 4 May earthquake [moment magnitude (M w) 6.9] produced ~5 meters of fault slip. Lava erupted at rates exceeding 100 cubic meters per second, eventually covering 35.5 square kilometers. The summit magma system partially drained, producing minor explosions and near-daily collapses releasing energy equivalent to M w 4.7 to 5.4 earthquakes. Activity declined rapidly on 4 August. Summit collapse and lava flow volume estimates are roughly equivalent-about 0.8 cubic kilometers. Careful historical observation and monitoring of Kīlauea enabled successful forecasting of hazardous events.

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