8 articles in this issue
Rex H. Pilger
Two segments of subduction of the Nazca plate beneath the South American plate occur at low angles based on seismic hypocenter locations, approaching nearly horizontal below ~100 km in depth. In contrast with most of the rest of the subduction zone, the t... see more
Camila Alegría,Francisca Vergara-Pinto
Since the perceptions of communities at risk play a central role in managing future emergencies, contingency plans must consider the appropriate involvement of the perspectives of exposed populations. This article addresses the case of Ensenada (Puerto Va... see more
John J. Sánchez,William A. Posada
Studying the different ways in which the concept of volcanism is represented is crucial in the understanding of communities’ perception of the volcanic phenomena. In this contribution, 129 modern (2021-2023) depictions of volcanoes in Colombia between lat... see more
Ricardo Amorocho-Parra,Cristhiam Calixto Rodríguez-Patiño,Carlos Alberto Ríos-Reyes,Juan Carlos Ramírez-Arias,Óscar Mauricio Castellanos-Alarcón
A comprehensive tectono-stratigraphic and sedimentological investigation of Early to Middle Devonian rocks was conducted in the southern Floresta Massif and adjacent regions in the Northern Andes of Colombia. A substantially reduced thickness of the Flore... see more
Natalia Noemí Rios,Carla Ginesta Torcivia,Maria Romina Onorato,Valeria Cortez Taillant,María Yanina Esper Angillieri
The present work aims to determine flash flood occurrence prone areas, in the Jáchal river basin, San Juan Province, Argentina. The Jáchal river basin covers ~29,000 km2 and has a perimeter of ~2,400 km, while the eponymous river extends for nearly 570 km... see more
Jeny Alejandra Grajales,Ángel F. Nieto-Samaniego,Andrés Tassara,Jairo Alonso Osorio,Luis Ernesto Ardila,Juan Fernando Martínez
Several authors have interpreted the Colombian Pacific margin as a succession of oceanic terrane accretions, with generation of forearc basins under a compressive-transpressive tectonic regime during the Late Cretaceous-Miocene. New data acquired in the l... see more
Juan Cruz Ghilardi Truffa,Lucas Ruiz,Pierre Pitte,Lautaro Clavero
In recent decades, glacier retreat has been observed in all the world’s mountain ranges. Over the last 20 years, glaciers in the Andes have lost mass at one of the highest rates on record. Particularly, glaciers in the northern Patagonian Andes show the h... see more
Edmundo Polanco,Ricardo Velásquez
Laura Varas, Laurita para los cercanos, falleció el día 20 de julio de 2023, a la edad de 79 años, después de una prolongada lucha que la tuvo muchas veces alejada de los microscopios petrográficos de Sernageomin. El sábado 22 la despedimos en el cementer... see more