Plate tectonics and volcanism

Plate tectonics and volcanism

The Earth's outer crust is composed of different tectonic plates. These drift apart, collide or slide over each other and can cause earthquakes.

Magmatic gases

Magmatic gases

Magmatic gases hold the main responsibility for magma production at great depths in the Earth's mantle. Furthermore, they are the predominant driving forces of...

Consequences of volcanic eruptions

Consequences of volcanic eruptions

Global cooling after the large-volume, highly-explosive Tambora eruption in Indonesia in 1815:

Dangerous water vapour: phreatic eruptions

Dangerous water vapour: phreatic eruptions

Phreatic eruptions often occur without any forewarning. Many were unprepared for the sudden eruption of Ontake volcano, Japan in autumn 2014.

Infographics on volcanic eruptions

Infographics on volcanic eruptions

A picture is worth a thousand words: information and data are summarized in graphics (in german).