Fig. 4From: Preparatory process preceding the 2014 eruption of Mount Ontake volcano, Japan: insights from precise leveling measurementsTime series after removal of the coseismic and postseismic effects of the 2011 M9 Tohoku earthquake in the Mitake GEONET benchmark relative to the Hagiwara GEONET benchmark. Dark- and light-shaded areas represent the periods of April 2006 to April 2009 and April 2009 to October 2014, respectively. The vertical dashed lines denote the occurrence months of the eruptions in 2007 and 2014Back to article page