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Earth, Planets and Space
Figure 4 | Earth, Planets and Space

Figure 4

From: Correlation between magma chamber deflation and eruption cloud height during the 2011 Shinmoe-dake eruptions

Figure 4

Volume change of the magma chamber versus erupted DRE volume on January 26 and 27. Geodetic volume change of the magma chamber (Δ V G ) and accumulated DRE erupted volume at the surface (Δ V D ) as a function of time in the period from January 26 to 27, in which Δ V G and Δ V D are normalized by the total geodetic volume change and the total erupted volume in this period, respectively. Here, Δ V G is estimated from tiltmeter data, and Δ V D is estimated by time-integrating magma discharge calculated from cloud echo height using Equation (1).

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