fig-6-band-api-eruption-1988-usgs

One Slab or Two? Arc-to-Continent Collision

Sorry, chocoholics this is not about chocolate or cake 😦 (although, as this is Volcanocafe, it could be!).  No, we are looking at arc-to-continent collision round the Banda Sea 🙂 I continued my plotting of Indonesian earthquakes eastward, this time choosing the Banda Sea where the “swirly bit” on the map looks interesting; and, is…

earth_google

Why are subduction zones curved?

One of the most prominent features when looking on the large-scale topography of Earth are subduction zones. Since I have often wondered why they usually are arc-shaped I decided to delve a bit into the topic and share my findings in this post. It is mainly from a perspective of a geometrical model proposed in  “Why…

Fig 1 Mountfujijapan

Mount Fuji (Fujisan)

Mount Fuji  (Fujisan) Mount Fuji, an iconic stratovolocano and Japan’s highest mountain 3,776.24 m (12,389 ft), is 100 km south west of Tokyo (and is also one of the few volcanoes I have actually visited -but not climbed!).  She is a cultural heritage site.  According to UNESCO and Wikipedia, “Mount Fuji has “inspired artists and…

Kids drawing found on the net

Volcano – a mountain that spits fire? Volcano basics.

What is a volcano? If you ask kids all over the world to do a drawing, you will get quite similar results. A steep mountain with “fire” erupting from the top and sometimes lava streams running down it´s flanks. Let us deal with the very basics about volcanoes. I know it is much more complicated but…