Articles | Volume 13, issue 8
https://doi.org/10.5194/se-13-1243-2022
https://doi.org/10.5194/se-13-1243-2022
Research article
 | 
04 Aug 2022
Research article |  | 04 Aug 2022

Multi-array analysis of volcano-seismic signals at Fogo and Brava, Cape Verde

Carola Leva, Georg Rümpker, and Ingo Wölbern

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Short summary
The seismicity of Fogo and Brava, Cape Verde, is dominated by volcano-tectonic earthquakes in the area of Brava and volcanic seismic signals, such as hybrid events, on Fogo. We locate these events using a multi-array analysis, which allows the localization of seismic events occurring outside the network and of volcanic signals lacking clear phases. We observe exceptionally high apparent velocities for the hybrid events located on Fogo. These velocities are likely caused by a complex ray path.