Present-day deformation in São Jorge Island,Azores, from episodic GPS measurements (2001–2011) |
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| Authors: | VB Mendes J Madeira A Brum da Silveira A Trota P Elosegui J Pagarete |
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| Institution: | 1. Faculdade de Ciências da Universidade de Lisboa, LATTEX/IDL – Laboratório Associado, Campo Grande, C8, Piso 2, 1749-016 Lisboa, Portugal;2. Universidade dos Açores, Ponta Delgada, Açores, Portugal;3. Institute for Space Sciences (ICE) and Institute of Marine Sciences (ICM), Spanish National Research Council (CSIC), Barcelona, Spain |
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| Abstract: | A network of geodetic markers for high-precision Global Positioning System (GPS) surveying was established in 2001 in the island of São Jorge, at the Azores triple junction, where the North America–Eurasia–Nubia plates meet. The aim was to monitor tectonic, volcanic, and landslide-induced surface deformation in an active tectono-volcanic region. The network consisted of 17 stations, and was occupied in 2001, 2004, and 2010. GPS observations from the three episodic campaigns were analyzed using the latest geophysical models and geodetic procedures to generate a velocity field for São Jorge Island. |
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| Keywords: | Azores triple junction Sã o Jorge Island GPS Tectonics Volcanism |
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