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Table 1 Changes in strain in each direction during each period

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

Period

E1 (\(\times 10^{ - 7}\))

E2 (\(\times 10^{ - 7}\))

E3 (\(\times 10^{ - 7}\))

1–3 Dec 2006

\(- \;1.0 \pm 0.2\)

\(0.8 \pm 0.2\)

\(- \;0.2 \pm 0.2\)

17–19 Aug 2008

\(- \;1.4 \pm 0.4\)

\(1.1 \pm 0.3\)

\(- \;0.2 \pm 0.2\)

15–17 Dec 2009

\(- \;1.6 \pm 0.2\)

\(1.7 \pm 0.3\)

\(- \;0.8 \pm 0.2\)