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Earth, Planets and Space
Fig. 6. | Earth, Planets and Space

Fig. 6.

From: The 2011 eruptive activity of Shinmoedake volcano, Kirishimayama, Kyushu, Japan—Overview of activity and Volcanic Alert Level of the Japan Meteorological Agency—

Fig. 6.

Tilt records at TCG and SNE and one minute averaged seismic velocity amplitude at TCG (vertical component) associated with subplinian eruption events. Gray zones indicate three subplinian eruption events lasting several hours. Steps at SNE after onset of subplinian eruption events are noises caused by large seismic signal. Tilt records are corrected to remove tidal effects by BAYTAP-G (Ishiguro and Tamura, 1985). Lower panel shows an expanded view of January 26–27 at the start of magmatic eruptive activity.

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