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

Fig. 6

From: Phreatic eruptions and deformation of Ioto Island (Iwo-jima), Japan, triggered by deep magma injection

Fig. 6

The daily number of earthquakes and vertical movement at Motoyama before and after phreatic eruptions were not accompanied by precursors. a The eruption on March 9, 1982; b the eruption on October 19, 2001; c the eruption on February 17, 2013. The green and blue curves denote vertical movement at GNSS observation stations. The white triangles show the occurrence times of the eruptions

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