| However it was found to be geologically unstable and would likely blow itself to ashes in about six cycles. |
| But a country's landmass often extends far offshore geologically, well beyond its coastline. |
| The island is located on the Mid-Atlantic Ridge, which means it is extremely geologically active. |
| One of the most geologically complex volcanoes on Earth, Etna has four summit craters and more than 250 cinder cones on its flanks. |
| An upraised coral island, it is geologically part of the Tuamotu Archipelago. |
| It is important geologically, historically, topographically, ecologically, socially and spiritually and is very beautiful. |
