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. 2016 Aug 5;7:12352. doi: 10.1038/ncomms12352

Figure 2. Volcano-structural evolution of the graben area.

Figure 2

Three high-resolution satellite (COSMO-SkyMed) radar-amplitude images from (a) 28 July 2014 (pre-eruption) showing pre-existing graben faults and eruptive vents (in blue); (b) 29 August 2014 showing evidence of new graben faulting (this image was acquired at 19:37 GMT, ∼19 h after the first eruptive activity), and (c) 6 September showing the main eruptive vent (eruptive fissure 1; EF1) that was active for 6 months and the eruptive fissure 2 (EF2) that was active on 5 September 2014. White rectangle insets show the main eruption site in more detail.