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San Martín Volcano - John Seach
(Volcan de Tuxtla)
Mexico
18.572 N, 95.169 W
summit elevation 1650 m
Shield volcano
The volcano consists of a basalt cone with two smaller scoria cone in a caldera.
The caldera has a diameter of 3.5 km and a depth of 150 m.
A violent ash eruption occurred in 1793. Fumarolic activity has been reported since.
San Martín Volcano Eruptions
1793, 1664