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Earth, Planets and Space
Fig. 7 | Earth, Planets and Space

Fig. 7

From: Vault-housed extensometers recorded a rapid initial pulse before precursory magma reservoir inflation related to the 2011 eruption of Shinmoe-dake, Japan

Fig. 7

Strain changes in the directions of components E1–E3 at station ISA during the two periods. a 16 November–15 December 2006 and b 1–31 August 2008. In each set of subpanels, the top plot shows the original time series, and the bottom shows the time series with the linear trend (estimated before the event of interest) removed from all data. Vertical green lines indicate the onset of rapid inflation that we use to estimate the strain offset. The variations within the colored boxes in the detrended graphs were used to estimate the magnitude and uncertainty of the strain offset. Note that the error ranges for E1 and E2 in b are slightly shifted to include the effect of the preceding rainfall. Daily precipitation at EBN is also shown (bar graphs)

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