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Vulsini Volcano - John Seach
Italy
42.60 N, 11.93 E
summit elevation 800 m
caldera
Vulsini volcano is located 87 km NNW of Rome. It consists of a volcanic depression occupied by lake Bolsena (Lago di Bolsena).
Isola Martana is a young post-caldera cone in the SW edge of Lago di Bolsena. A drainage system constructed by Romans, to divert water from the host springs at the nothern margin of Viterbo.
Previous eruptions have occurred at 4 main centres along a line of weakness. There is no geological evidence for the eruption of 104 BC, but historical records record it.
Vulsini Volcano Eruptions
Eruption of Vulsini in 104 BC