Pyroclastica, tephra, lava, volcanic ashes and gases are explained in the schematic sketch (in german).

(Graphic: eskp.de/CC-BY)

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Impact of volcanicgasesandash particleson our health.
(Graphic: eskp.de/CC-BY).

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Thegas composition of selected volcanoesis shown schematically.
(Graphic: eskp.de/CC-BY).

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Overview on the most important types of volcanoes.
(Graphic: eskp.de/CC-BY).

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Sketch of the various layers of the atmosphere. Volcanic ash rises up to 8 km in height. (Graphic: eskp.de, CC-BY)

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The map shows some important volcanoes in Chile, South America
(Map: eskp.de, CC-BY)

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Themap shows important volcanoes of Iceland and theirmajoreruptionsfrom1900until2014.
(Graphic: eskp.de/CC-BY).

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Map of the islandicvolcanoes.The volcanoBardarbunga, active inthesecondhalf of2014,is marked inred.
(Graphic: eskp.de/CC-BY).

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The map shows important volcanoes on Hawaii.
(Graphic: eskp.de/CC-BY).

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Selected Mega-Cities in areas with an increased risk e.g. earthquakes, volcanic eruption, tsunami, hurricane/cyclone.
(Graphic: eskp.de/CC-BY).

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Ring of Fire
(Graphic: eskp.de/CC BY)

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Convergentplate boundary:twocontinentalplatescollide -upliftof thecrust and orogeny e.g.Himalayas.
(Graphic: eskp.de, CC-BY)

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Subduction zone:Theoceanic plate subducts (dives down) under thecontinentalplate.(Graphic: eskp.de, CC-BY)

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Schematicsketch of anoceanicridge(spreading zone)andasubduction zone(dive down of the oceanic plate under the continental plate).
(Graphic: eskp.de, CC-BY)

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eskp.de | Earth System Knowledge Platform - knowledge of eight research centres of the Helmholtz-Association.