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Analysis of fractures generated by faults at micro- and macro-scale and the influence on the secondary permeability: application to the Nevado del Ruiz area (Colombia)
This research contributes to the knowledge of the geothermal area of the Nevado del Ruiz Volcano (Colombia) by analyzing the secondary permeability...
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Continuous monitoring of the 2015–2018 Nevado del Ruiz activity, Colombia, using satellite infrared images and local infrasound records
Nevado del Ruiz Volcano (NRV) had a phreatomagmatic eruption in 1985. The eruption partially melted the volcano’s ice cap leading to floods and...
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Leveraging lessons learned to prevent future disasters—insights from the 2013 Colombia-US binational exchange
In 2013, scientists implemented a binational exchange for emergency planners and responders in communities near Nevado del Ruiz in Colombia and...
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Two-tiered reconstruction of Late Pleistocene to Holocene changes in the freezing level height in the largest glacierized areas of the Colombian Andes
One way of deducing vertical shifts in the altitudinal distribution of Colombian high-altitude páramo environments is by inferring fluctuations in...
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Effusive and evolved monogenetic volcanoes: two newly identified (~800 ka) cases near Manizales City, Colombia
Two recently discovered volcanoes (Las Margaritas 1 and 2) located near the city of Manizales in central Colombia (northern Andes) show that...
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Fatal landslides in Colombia (from historical times to 2020) and their socio-economic impacts
Landslides typify one of the most hazardous natural phenomena fostering economic and even human losses worldwide. Several countries like Colombia, in...
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Volcanic Geoheritage in the Light of Volcano Geology
Volcanic geoheritage relates to the geological features of a region that are associated with the formation of a volcanic terrain in diverse...
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Assessing the impact of missing data on water quality index estimation: a machine learning approach
Despite the regulations and controls implemented worldwide by governments and institutions to ensure the availability and quality of water resources,...
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Chemical, Mineralogical and Geotechnical Index Properties Characterization of Volcanic Ash Soils
Soils derived from volcanic ash are deposits formed from the weathering of the ejected material during volcanic activity. Volcanic ash is commonly...
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El Escondido tuff cone (38 ka): a hidden history of monogenetic eruptions in the northernmost volcanic chain in the Colombian Andes
El Escondido is a dacitic monogenetic volcano situated in the Samaná monogenetic volcanic field, within the Central Cordillera of Colombia. The tuff...
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Evolution of worldwide geothermal power 2020–2023
Only 32 countries in the world have geothermal power plants in operation, with a combined capacity of 16,318 MW installed in 198 geothermal fields...
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If I Understand, I Am Understood: Experiences of Volcanic Risk Communication in Colombia
In December 1984, after the reactivation of the Nevado del Ruiz Volcano, the Colombian Geological Survey (SGC) began campaigning for the deliver of...
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The Proterozoic Basement of the Western Guiana Shield and the Northern Andes
Proterozoic metamorphic and igneous rocks belonging to the Guiana Shield form the basement of the Colombian territory from its eastern borders...
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Regionale Beschreibung – Mittel- und Südamerika einschließlich der karibischen Inselwelt
Die Paläoklimaarchive der Tropen und Randtropen von Mexiko bis Südbrasilien und deren Interpretation werden vorgestellt und kritisch diskutiert....
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The Geoethical Promise and the Incorporation of Disaster Risk Management in the Territorial Ordination of Colombia
Colombia has been a pioneer in Latin America in its development of a comprehensive vision for the treatment of risks and disasters, allowing a...
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Spatial-Temporal Migration of Granitoid Magmatism and the Phanerozoic Tectono-Magmatic Evolution of the Colombian Andes
Plutonic and hypabyssal porphyritic granitoids (and their volcanic equivalents) are important constituents of the composite geological record of the...
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The Romeral Shear Zone
The Romeral shear zone marks the geological boundary between the physiographic Central and Western cordilleras of the Colombian Andes. It demarcates...
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TXT-tool 0.001-2.1 Landslide Types: Descriptions, Illustrations and Photos
Regardless of the exact definition used or the type of landslide under discussion, understanding the basic mechanics and processes of a typical...
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Phanerozoic Metallogeny in the Colombian Andes: A Tectono-magmatic Analysis in Space and Time
The Colombian Andes are a highly fertile although little documented metallogenic province. Time-space analysis has identified numerous metallotects...