Seismotectonic implications of the South Chile ridge subduction beneath the Patagonian Andes

• Published in: Terra Nova
• Main Authors: Suárez, Rodrigo Javier, Sue, Christian, Ghiglione, Matias, Guillaume, Benjamin, Ramos, Miguel Esteban, Martinod, Joseph, Barberon, Vanesa
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley Blackwell Publishing, Inc
• Subjects: EARTHQUAKE FOCAL MECHANISM; INTRAPLATE SEISMIC GAP; PATAGONIA SLAB WINDOW; SOUTH CHILE RIDGE; https://purl.org/becyt/ford/1.5; https://purl.org/becyt/ford/1; Antarctic; The Antarctic; Patagonia; Argentina; Guillaume; Pablo; Ramos; Antarc*
• Online Access: http://hdl.handle.net/11336/136256

The South Chile ridge (SCR) intersects the Patagonian trench around 46°09′S, forming the triple junction among the Antarctic, Nazca, and South America plates. Subduction of the SCR since ~18 Ma produced the opening of a slab window beneath Patagonia and a noticeable magmatic gap in the cordillera, p...