Figure 3
From: Ten-year helium anomaly prior to the 2014 Mt Ontake eruption

Correlation diagram between time rate of 3He/4He change since 2003 to 2014 and distance of the sampling site from the central cone of Mt Ontake.
From: Ten-year helium anomaly prior to the 2014 Mt Ontake eruption
Correlation diagram between time rate of 3He/4He change since 2003 to 2014 and distance of the sampling site from the central cone of Mt Ontake.