Figure 11 | Scientific Reports

Figure 11

From: A record of changes in the Gran Sasso groundwater before, during and after the 2016 Amatrice earthquake, central Italy

Figure 11

Number of negative micropulses (red line) each hour from 19 August (doy 232) to 2 September 2016 (doy 246), while the blue line shows the integral trend in arbitrary scale, black vertical line represents the Amatrice earthquake occurrence and green horizontal line is the zero level. In the period from May 2015 to July 2016 we did not observe any negative micropulses.

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