Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40623-018-0948-8/MediaObjects/40623_2018_948_Fig2_HTML.png)
Time-series of the eruption sequence showing 6 eruption episodes (P1-P6) based on the seismic (a) and the time equivalent acoustic (b) record. The VLP in inset box (a) is shown in detail (c) with an associated spectrum shown in (d)
Time-series of the eruption sequence showing 6 eruption episodes (P1-P6) based on the seismic (a) and the time equivalent acoustic (b) record. The VLP in inset box (a) is shown in detail (c) with an associated spectrum shown in (d)