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Terceira Volcano - John Seach
Azores
38.73 N, 27.32 W
summit elevation 1023 m
stratovolcanoes
Terceira Volcano is located in central Azores. It contains four stratovolcanoes aligned along a ESE-WNW-trending fissure zone which cuts across the island. Santa Barbara volcano at the western end of the island contains two calderas. Pico Alto lies north of the fissure zone. Guilherme Moniz caldera lies along the fissure zone. Cinquio Picos caldera at the SE end of the island is the largest in the Azores.
Historical eruptions have occurred from Pico Alto, the fissure zone between Pico Alto and Santa Barbara, and from submarine vents west of Santa Barbara.
Submarine eruptions occurred at the Serreta Volcanic Ridge 9-14 km off Terceira Island in 1998 - May 2000 and August 2001.
Terceira Volcano Eruptions
2001, 1998-2000, 1867, 1761