Geology for Global Development


Images of Guatemala (3) – Lahar Deposits at Fuego

Lahars at Volcan de Fuego, Guatemala. This image captures a lahar [mudflow] deposit close to Volcan de Fuego. These deposits are formed when rain mobilises ash and pyroclastic material on the volcano to form a fast moving, powerful mudflow with the ability to transport material including large boulders. As the energy dissipates, the sediment is deposited as we see above. Difficult to see in this i ...[Read More]

Images of Guatemala (2) – Pyroclastic Flow Deposits

Pyroclastic Flow Deposits close to Volcan de Fuego, Guatemala. The scale of these deposits, formed in 2012, can be seen against the scale of the person standing in the background [dark line, just above the red shrub]. Pyroclastic flows, alongside lahars, are two of the most significant and destructive volcanic hazards associated with Volcan de Fuego. You can read more about Fuego and its secondary ...[Read More]

Images of Guatemala (1) – Volcan de Fuego

Volcan de Fuego, Guatemala. Taken from the adjacent peak of Acatenango, this photograph captures ones of the many small eruptions of the volcano named Fuego (the Spanish word for fire!). Fuego, formed by the subduction of the Cocos plate beneath the Caribbean plate, is an active basaltic stratovolcano. You can read more about Fuego and its eruptive history online here. (Credit: Geology for Global ...[Read More]