krakatoa eruption
type: Concept
broader: volcanoes

disaster relief
type: Concept
narrower: volcanoes

nevado del ruiz eruption
type: Concept
broader: volcanoes

eruption of El Chichón
type: Concept
broader: volcanoes

volcanoes
narrower: mount st. helens eruption
narrower: nevado del ruiz eruption
narrower: krakatoa eruption
narrower: mount pelee eruption
narrower: eruption of El Chichón
definition: The spatial and temporal distribution of volcanism on Earth's surface is associated with geodynamics. Volcanic morphology is related to physical properties and chemical composition of the magma governed by the tectonic setting as well as exogenous processes over geological time. [Source: Encyclopedia of Geography; Volcanoes]
broader: natural disasters
broader: geomorphology
broader: landforms
broader: disaster relief
type: Concept

mount st. helens eruption
type: Concept
broader: volcanoes

geomorphology
type: Concept
narrower: volcanoes

concepts
type: Collection
type: ConceptGroup
member: volcanoes

landforms
type: Concept
narrower: volcanoes

natural disasters
type: Concept
narrower: volcanoes

mount pelee eruption
type: Concept
broader: volcanoes