Cordilheira vulcânica central
SJO 2
38º 39'20''N 28º 05'13''W
The São Jorge island was formed by many basaltic eruptions along WNW-ESE trending tectonic structures. Nowadays that fissural volcanism is best expressed in the central volcanic ridge as volcano-tectonic lineaments of 280 monogenetic centers, such as scoria and spatter cones and eruptive fissures.