Archivo:Armero aftermath Marso.jpg

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Armero_aftermath_Marso.jpg(800 × 500 píxeles; tamaño de archivo: 200 KB; tipo MIME: image/jpeg)

Resumen

Descripción
English: Río Lagunillas, former location of Armero.

An explosive eruption from Ruiz's summit crater on November 13, 1985, at 9:08 p.m. generated an eruption column and sent a series of pyroclastic flows and surges across the volcano's broad ice-covered summit. Pumice and meltwater produced by the hot pyroclastic flows and surges swept into gullies and channels on the slopes of Ruiz as a series of small lahars. Flowing downstream from Ruiz at an average speed of 60 km per hour, lahars eroded soil, loose rock debris and stripped vegetation from river channels. By incorporating water and debris from along river channels, the lahars grew in size as they moved away from the volcano--some lahars increased up to 4 times their initial volumes.

Within four hours of the beginning of the eruption, lahars had traveled 100 km and left behind a wake of destruction: more than 23,000 people killed, about 5,000 injured, and more than 5,000 homes destroyed along the Chinchiná, Gualí, and Lagunillas rivers. Hardest hit was the town of Armero at the mouth of the Río Lagunillas canyon, which was located in the center of this photograph. Three quarters of its 28,700 inhabitants perished.

(Amalgamation of sentences taken verbatim from source.)
Fecha Late November 1985
Fuente source, small version with description here
Autor Jeffrey Marso, USGS geologist
Posición de la cámara5° 02′ 00″ N, 74° 53′ 00″ O Kartographer map based on OpenStreetMap.Sitúa todas las coordenadas utilizando: OpenStreetMap - Google Earthinfo

Licencia

Public domain
Esta imagen está en el dominio público, ya que contiene materiales que originalmente vinieron del Servicio Geológico de los Estados Unidos de América, una agencia del Departamento del Interior. Para obtener más información, consulte la política oficial de derechos de los USGS.

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