Fig. 4From: Geophysical examination of the 27 April 2016 Whakaari/White Island, New Zealand, eruption and its implications for vent physiognomies and eruptive dynamicsa Acoustic eruption pulse signals filtered between 0.5 and 10 Hz with corresponding spectrograms for WIZ, b acoustic eruption pulse signals filtered between 0.5 and 10 Hz with corresponding spectrograms for WSRZBack to article page