The island of San Miguel is currently dormant, some steam and warmth from various volcanic springs. The island is on the African plate, separated from Pico by the mid-Atlantic Oceanic Ridge
Magma Evolution of the Sete Cidades Volcano, São Miguel, Azores
CHRISTOPH BEIER, KARSTEN M. HAASE, THOR H. HANSTEEN
Journal of Petrology, Volume 47, Issue 7, July 2006, Pages 1375–1411.
© MDOil limited Cedar House, Glade Road, Marlow, SL7 1DQ, UK info@MDOil.co.uk
MDOIL Limited, registered in England and Wales, company number 05275394