Robuta

https://www.usgs.gov/publications/uwekahuna-ash-member-puna-basalt-product-violent-phreatomagmatic-eruptions-kilauea The Uwekahuna Ash Member of the Puna Basalt: product of violent phreatomagmatic eruptions at... Kilauea volcano's reputation for relatively gentle effusive eruptions belies a violent geologic past, including several large phreatic and phreatomagmatic... member of