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Earth, Planets and Space
Fig. 10. | Earth, Planets and Space

Fig. 10.

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

Fig. 10.

(a) Reduced displacement of volcanic tremor versus volcanic plume height. Reduced displacement (Aki and Koyanagi, 1981) corresponds to represented amplitude. Except for 2011 Shinmoedake, data are from McNutt (1994). The open circles represent the January 26 Shinmoedake subplinian eruption event. (b) Relationship between seismic and infrasonic amplitude associated with continuous eruptions at recent various volcanoes in Japan. Seismic and infrasonic amplitudes are represented by those at a distance of 3 km and 5 km from the active crater, respectively.

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