6 April 2018 rock fall in Halema‘uma‘u #OverlookCrater triggered an explosive event. https://t.co/F8hhUbJPe2 #Hawaii #volcanoes #Kilauea pic.twitter.com/Xgyx7t4p1m
— USGS Volcanoes (@USGSVolcanoes) 2018年4月9日
On April 6, a section of the southeast Overlook crater wall collapsed into the lava lake at Halema‘uma‘u, triggering an explosive event. More images and video from USGS-HVO at https://t.co/oIEvfvO0AE pic.twitter.com/SAMoQcwgAx
— USGS Volcanoes (@USGSVolcanoes) 2018年4月7日
Big ash event at the summit of Kīlauea this morning, the result of small collapse of the summit crater walls. NPS Photo/Judy Weitz pic.twitter.com/cgXMuP3hNG
— Hawaii Volcanoes NPS (@Volcanoes_NPS) 2018年4月7日
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