Fig. 5From: Phreatic eruptions and deformation of Ioto Island (Iwo-jima), Japan, triggered by deep magma injectionThe 10-min average of the root mean square amplitude of the seismometer at IJMV before and after the phreatic eruptions of a April 29, 2012; b February 17, 2013; and August 6, 2015. The seismometer data are vertical components and applied bandpass filters of 0.1–2 HzBack to article page