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Geoscientific information

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  • Areas that evidence the occurrence of submarine landslides, located between the Middle Atlantic Rift zone (Azores archipelago) and the Continental margin.

  • Sedimentological characterization of part of the continental shelf. Folk classification (7 classes).

  • Location of structures resulting from the submarine fluids emissions, such as: mud volcanoes (methane hydrates); Pockmaks (methane) and hydrothermal vents (fluids enriched in salts and metallic elements), located between the Mid-Atlantic Rift zone (Azores archipelago) and the continental margin.

  • Most important faults identified in the portuguese offshore, occurring between the Middle Atlantic Rift zone (Azores archipelago) and the Continental margin.

  • Volcanic centres in the Portuguese offshore, located between the Mid-Atlantic Rift zone (Azores archipelago) and the continental margin.

  • Geology and Geomorphology of offshore Portugal in the Quaternary period, using as reference the Geological Chart of the Immersed Area, Scale 1: 2 000 000, of the Geological Chart of Portugal, Scale 1: 1 000 000. National Laboratory of Energy and Geology (LNEG) 2010 .

  • Geology and Geomorphology of the portuguese offshore of the Pre-Quaternary, using as reference the Geological Chart of the Immersed Area, Scale 1: 2 000 000, of the Geological Chart of Portugal, Scale 1: 1 000 000. National Laboratory of Energy and Geology (LNEG) 2010 .

  • The portuguese national seismic network consists of a large and varied set of seismic stations comprising sensors of various types (broadband, short and strong-motion), high dynamic acquisition systems and real-time data transmission or near real-time through satellite and internet (mobile and fixed). The purpose of this device is the monitoring and surveillance of seismic activity throughout the national territory and surrounding areas, as well as to contribute to the seismic monitoring on a global scale and as an early warning system for tsunamis.

  • This layer provides geographic information related to a Omega calcite saturation in the seabed of the Azores (Orr 2005)