viewed from over the entire island of São Miguel features a volcanic complex called the crater volcanic Massif . The circular crater or caldera dominates the image and measures about 5 km across . The interior has ridges , volcanic cones , lava flows and maars – or shallow , flooded craters .
Image from over the Azores island of São Miguel features a volcanic complex called the Sete Cidades Massif . The circular crater or caldera dominates the image and measures about 5 km across . The interior has lakes , volcanic cones , lava domes and maars – or shallow , flooded craters .