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Figure 8 | Journal of Applied Volcanology

Figure 8

From: The scientific–community interface over the fifteen-year eruptive episode of Tungurahua Volcano, Ecuador

Figure 8

Seismic trace for vertical component of the BMAS broadband seismic station at Tungurahua. Note the long quiet period from 00 h00 to 11 h00, after which wide-amplitude tremor starts. The 22 h39 Vulcanian-style eruption was preceded by two smaller explosions. After the 22 h39 explosion pyroclastic flows were emitted and are shown in the inset of the thermal imagery photo of the NW flank of Tungurahua. Photo was taken at 22H40 from OVT and is courtesy of Sylvia Vallejo-IGEPN.

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