Additional file 9 of A quest for unrest in multiparameter observations at Whakaari/White Island volcano, New Zealand 2007–2018

Additional file 9: Figure S9. DSAR results since 2000. See Fig. 4 for the description of the vertical lines corresponding to key time periods. The 1-day DSAR data have been smoothed with a Hendrick Prescott filter, which prevents temporal aliasing (blue line (parameter = 1000) and orange (parameter = 108) lines). The few days of data in 1989 had DSAR around 1.