Igneous or magmatic rocks The most primitive rock type forms when magma (molten rock) solidifies - either inside the earth (plutonic rocks) or during volcanic eruptions (volcanic rocks). A short overview.
Latest quakes at Katla volcano One of Iceland's most active and dangerous volcanoes is showing signs of unrest and statistically due for a new eruption. Earthquakes could give a clue.
Earthquakes near volcanoes Earthquakes often precede volcanic eruptions. Find out where the latest earthquakes in the vicinity of volcanoes have occurred.
Volcanoes of Italy Discover Italy's most active and beautiful volcanoes, learn about their significance for science and culture. Join our small group tour to visit Vesuvius, Campi Flegrei, Stromboli, Vulcano, Lipari and Etna!