Inside the Earth, huge amounts of hot magma are under great pressure and are being pushed towards the surface.
A romantic village? An idyllic lake? This would have been unimaginable 45,000 years ago!
Clay and sand particles float around gently and settle on top of each other in layers on the seabed. But this tranquillity comes to an abrupt end.
A volcano erupts. Hot drops of lava are thrown out of the vent and fall onto other fragments of lava which have been spewed out during earlier eruptions.
The Steffelnkopf cinder cone is underlain by a maar, as are most of the cinder cones in the West Eifel.