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Earth, Planets and Space
Fig. 11 | Earth, Planets and Space

Fig. 11

From: The time lag between deformation process and seismic activity in El Hierro Island during the eruptive process (2011–2014): a functional phased approach

Fig. 11

Derivative curves of the displacement curves in the p-splines basis by considering data series up to 2, 4, 6, 8 10 and 12 days after Jun 28, 2011. The black vertical line indicates the beginning of the timeseries data used to calculate the minimun slope level. When calculating the level, the first 30 data are not considered for the oscillations that occur at the beginning of the b-splines curves. The red vertical line marks the 28 Jun 2011

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