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Earth, Planets and Space
Fig. 5 | Earth, Planets and Space

Fig. 5

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

Fig. 5

Ranges of azimuths and inclination angles from ISA to possible source locations. Azimuths are measured anticlockwise from E1. A range of source locations that provides consistent values of E1, E2, and E3 is indicated for each event. The thick black line shows the strain change in Dec 2009. Thin gray contours show strain changes estimated during the climactic event of Jan 2011, comprising three sub-Plinian eruptions (SP1–3) and subsequent magma effusion (Yamazaki et al. 2013). Blue contours show strain changes in Dec 2006 and Aug 2008, details of which are shown in Fig. 7. The depths equivalent to the inclination angle at an assumed epicenter distance of 11.6 km (Yamazaki et al. 2013) are shown on the right axis for reference

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