The plan view architecture of the Soddo margin is characterized by a typical array of sigmoidal, right-stepping en-echelon normal or oblique faults (Figure 5)

Sopra order sicuro better characterize the distribution of vents durante the sezione and sicuro better define their relations with faults, we have mapped vent alignments and assessed their reliability according preciso the procedure illustrated sopra Paulsen and Wilson [ 2010 ]. Vent mapping has been performed on available astro images (Landsat TM, Aster, Google Earth imagery), digital elevation models (DEMs; SRTM, Aster), and aerial photos. Mediante particular, vent alignments have been mapped on the basis of the spatial distribution of vents as well as their shapes (vent elongation provides a critical parameter onesto group solo vents into an alignment). Reliability of vent alignments has been defined according preciso parameters such as number of vents, number and characteristics of elongate vents (vents are considered elongate when the ratio between the lengths of the maximum and minimum axes is >1.2), standard deviation from verso best fit line, etc. [see Paulsen and Wilson, 2010 ]. The result of this analysis is illustrated sopra Table 3 and con the graph of Figure 12d, where the azimuthal distribution of elongate vent long axis has also been mobili christianconnection reported. The distribution of both vent alignments and elongate vent long axis shows per main peak at N20°–25°Anche, indicating a striking correspondence with the tendenza of the border faults mediante the reparto (padrino Figure 12d with Figure 5c) and thus strengthening the close relations between faulting and volcanism. Sicuro complete the analysis, we have also calculated the azimuthal distribution of cone breaching, whose results are shown durante the graph of Figure 12e. Read more