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The ALERT-ES Project for earthquakes in Cape San Vicente region
Buforn, E.; Mattesini, M.; Martín Dávila, J.; Goula, X.; Colom, Y.; Zollo, Z.; Udías, A.; Pazos, A.; Roca, A.; Lozano, L.; Carrilho, F.; Hanka, W.The main goal of the ALERT-ES project ("Sistema de Alerta Sismica Temprana: Aplicacion al Sur de España" ) is to study the feasibility of an Earthquake Early Warning System (EEWS) for the potentially damaging earthquakes that occur in the zone Cape S. Vicente-Gulf of Cadiz (S. Spain). This area is characterized by the occurrence of large and damaging earthquakes such as the 1755 Lisbon (Imax=X) or 1969 S. Vicen...
“Western Mediterranean” (WM) broad band network: permanent seismic monitoring a...
Davila, J. Martin; Pazos, A; Buforn, E; Udias, A; Benzzeghoud, M; Borges, JF; Harnafi, M; Rimi, A.; Hanka, W; Nadji, AThe “Ibero-Maghrebian” region, a western part of the Eurasia-Africa plate boundary, is a broad deformation area without a well defined plate boundary line, comprising the Southern part of the Iberian Peninsula, the Northwestern part of Africa, the Gulf of Cadiz and the Alboran Sea, with a convergence between Iberia and Africa at some mm/year (Nuvel-1A model, DeMets et al, 1994) in a NNW-SSE direction, and a dif...
Broad band “Western Mediterranean” and ocean bottom “Fomar” seismological networks
Martin-Davila, J.; Pazos, A.; Buforn, E.; Udias, A.; Bezzeghoud, M.; Caldeira, B.; Rimi, A.; Harnafi, M.; Hanka, W.; Nadji, A.To study the seismicity associated to the Ibero-Maghrebian region, the Real Instituto y Observatorio de la Armada in San Fernando (ROA) has installed, since 1898, different types of seismological stations. At present two networks are in operation: Long Period station and Short Period net (ROA) and Western Mediterranean Broad Band (WM) net (in collaboration among several institutions). The installation of a netw...
THE WESTERN MEDITERRANEAN SEISMOLOGICAL NETWORK
Pazos, A.; Davila, J.M.; Buforn, E.; Udias, A.; Hanka, W.; Bezzeghoud, M.; Harnafi, M.; Nadji, A.; Rimi, A.; Mansour, H.The Royal Naval Observatory in San Fernando (ROA), together with the Complutense University from Madrid (UCM), and in collaboration with the GeoForschungsZentrum of Potsdam (GFZ), have deployed a broad band seismic network around the Alboran sea, in southern Spain, northern Africa. This network started to operate in 1996 with the installation of the SFUC station, near the Observatory. Since then, several statio...
The 12/02/2007 SW Cape San Vicente Earthquake: SFS (San Fernando SP) and WM (We...
Martín-Davila, J.; Pazos, A.; Buforn, E.; Udías, A.; Bezzeghoud, M.; Caldeira, B.; Rimi, A:; Harnafi, M.; Hanka, W.; Nadji, A.The western part of the Eurasia-Africa plate boundary crosses the Gulf of Cadiz at about 36oN latitude, without a well defined boundary line. The plate convergence, at a rate of a few mm/year in a NNW/SSE to NW/SE direction (Buforn et al 2004), induces a moderate magnitude and shallow depth seismicity, but a clear intermediate activity (figure 1) is also present at the area and large magnitude historical events...
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