Fig. 8
From: Descent of tremor source locations before the 2014 phreatic eruption of Ontake volcano, Japan

Estimated tremor locations a before eruption (11:45–11:52) and b after eruption (11:52-12:10). Star colors correspond to times elapsed from the start of analysis (11:45). c Distribution of residuals (from Eq. 4) at 11:50