The main goal of the ALERT-ES project (“Sistema de Alerta Sísmica Temprana: Aplicación al Sur de España”) is to study the feasibility of an Earthquake Early Warning System (EEWS) for SW Iberian Peninsula applied to the potentially damaging earthquakes that occur in the region of Cape S. Vicente-Gulf of Cadiz. This area is characterized by the occurrence of large earthquakes with damage in SW Iberia, such as tho...
The San Vicente Cape region (SW Iberia) is of great seismological interest due to its tectonic complexity and for the occurrence of the 1755 Lisbon mega-earthquake. A structure capable of generating such large earthquake has not been convincingly found but authors agree with the possible occurrence in the future of a similar earthquake offshore of San Vicente Cape.We have studied the mechanism of three earthqua...
We have studied the focal mechanisms of the 1980, 1997 and 1998 earthquakes in the Azores region from body-wave inversion of digital GDSN (Global Digital Seismograph Network) and broadband data. For the 1980 and 1998 shocks, we have obtained strike– slip faulting, with the rupture process made up of two sub-events in both shocks, with total scalar seismic moments of 1.9 × 1019 Nm (Mw = 6.8) and 1.4 × 1018 Nm (M...
We have study the focal mechanism of the 2004 Alhoceima (Morocco, Mw=6.2) earthquake using teleseismic and regional broad-band data. The solution obtained shows strike slip motion with planes striking respectively on NNE-SSW and WNW-ESE direction and horizontal pressure axes in NNW-SSE direction. We inverted body waves at teleseismic distances using as initial orientation the solution obtained from 126 P polari...
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