Volcano – a mountain that spits fire? Volcano basics part 2

How do the insides of a volcano look like? Most volcanoes form a cone, as you can see in the graphics above. During an eruption the volcano flings out material which builds up, layer upon layer, and often forms this form of landscape. There are different types of cones: stratocones, spatter cones, ash cones, tuff cones, and cinder cones. What a volcano…

Activity at El Hierro + Volcano of the Month

As time goes by we understand more and more about the activity under El Hierro. The Canarian Hotspot has several plumeheads reaching up under the volcanically active islands in the Island chain. It seems that for unknown reasons the activity has changed at depth so that El Hierro has become far more active than previously.…

Continued activity at El Hierro

Since the last post has grown somewhat ‘large’, I thought I could better create a new post with some updated information, and less than about 600 (!) comments to scroll by. Because the last post (and the comments section) was really full with excellent links, I will start off by providing the link to the…