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Earth, Planets and Space
Fig. 1. | Earth, Planets and Space

Fig. 1.

From: Subtle changes in strain prior to sub-Plinian eruptions recorded by vault-housed extensometers during the 2011 activity at Shinmoe-dake, Kirishima volcano, Japan

Fig. 1.

Map showing the location of the Shinmoe-dake volcano crater (solid triangle) and the ISA site (open square) where strain data were recorded. Thick bars at the ISA site show the directions of extensometers, and contours indicate the surface topography at 100 m intervals. An open circle represents the location of a magma chamber proposed by the Geospatial Information Authority using GPS data, with a cross representing the location of the Takachihogawara seismic station of the Japan Meteorological Agency, where seismograms are recorded in a 100-m-deep borehole.

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