a coherent, emergent signal in RSAM data (see Figure
2), raising the question: Can RSAM data be empirically used to detect volcanic tremor events
preceding eruptions?
6
Figure 1. Photo of the monitoring setup in the IMO’s natural hazards monitoring room. The
right screen shows real-time earthquake and tremor data. Tremv output is displayed in red
box with the last 24 hrs of all frequency
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