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Fig. 6 | Earth, Planets and Space

Fig. 6

From: The thermal signature of Aso Volcano during unrest episodes detected from space and ground-based measurements

Fig. 6

a Time series of volcanic radiative power (VRP) recorded at Aso volcano between 2000 and 2017. Colored field indicate the principal phases of activity (PE: Phreatic and/or phreatomagmatic events; HFA: high fumarolic activity; SE: Strombolian eruptions). The red star indicates the timing of a major phreatomagmatic explosion occurred on October 8, 2016, after the longest period of thermal rest. b Statistical distribution of VRP data (log-transformed). c Probabilistic plot of VRP data (log-transformed) showing two clear populations separated at 2.8 MW. The arrows represent the main phreatomagmatic events and ash falls

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