Imaggeo on Mondays: Hekla’s history

Iceland is well known for its extensive volcanism. Situated amid the northernmost part of the Mid-Atlantic Ridge, the spreading centre is a hub of volcanic activity, from Krafla in the north to the young volcanic island of Surtsey in the south. Hekla is one of the country’s most active volcanoes – both in terms of erupted material and eruption frequency, and lies at the heart of a 40 kilomet ...[Read More]

Imaggeo on Mondays: Capping a volcano

This is Damavand Volcano, Iran. Its history is one of short bursts of eruptive activity followed by long periods of quiescence and while there are active fumaroles near Damavand’s summit, the volcano has been dormant for the past 1000 years. The cloud that encircles its peak is known as a cap cloud, so-called because these peculiar clouds form around high peaks, adding a flat white cap to mountain ...[Read More]