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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Subsurface magma movement inferred from extensometer and tiltmeter records during the early stage of the 2018 Shinmoe-dake eruptions, Japan

Fig. 2

Strain (extension; upper panel) and tilt (lower panel) time series for the 3–9 March 2018 period, after removal of the tidal, precipitation, and instrument drift components. The gray bars at the bottom of each panel represent hourly precipitation measurements at Yoshimatsu (YSMT, Fig. 1; upper panel) and Ebino (EBN, Fig. 1; lower panel). Gray dashed lines denote the start and end times of clear changes in the tiltmeter observations (09:00 on 6 March to 12:00 on 8 March) based on JMA (2018). The red dashed line denotes the start time of clear changes in the extensometer observations (14:00 on 5 March)

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