Seismic and tsunamigenic characteristics of a multimodal rupture of rapid and slow stages: the example of the complex 12 August 2021 South Sandwich Earthquake

• Published in: Journal of Geophysical Research: Solid Earth
• Main Authors: Metz, Malte (Dr.), Vera, Felipe, Carrillo-Ponce, Angela, Cesca, Simone (Dr.), Babeyko, Andrey, Dahm, Torsten (Prof. Dr.), Saul, Janet, Tilmann, Frederik J.
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2022
• Subjects: ddc:550; Institut für Geowissenschaften; Sandwich Islands; South Sandwich Islands; South Sandwich Trench
• Online Access: https://publishup.uni-potsdam.de/frontdoor/index/index/docId/65753; https://doi.org/10.1029/2022JB024646

On 12 August 2021, a > 220 s lasting complex earthquake with Mw > 8.2 hit the South Sandwich Trench. Due to its remote location and short interevent times, reported earthquake parameters varied significantly between different international agencies. We studied the complex rupture by combining...