Santiaguito volcano Dec 2009
gua_i21120.jpg (Photo: Tom Pfeiffer) [info]
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gua_i21110.jpg (Photo: Tom Pfeiffer) [info]
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The complex of lava domes of Santiaguito volcano (Photo: Tom Pfeiffer) [info]
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Turbulence creates a dust devil rising ash from the lava dome (Photo: Tom Pfeiffer) [info]
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Eruption from Santiaguito volcano (Photo: Tom Pfeiffer) [info]
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Santiaguito's Caliente lava dome consists of viscous, mostly solidified lava plugging the circular v... [info]
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Onset of an eruption: at first, pressurized gasses escape from the outer margin of the plug of solid... [info]
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A few seconds into the eruption, the erupting ash starts to form a small explanding plume. (Photo: T... [info]
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The ash cloud quickly rises several hundreds of meters. (Photo: Tom Pfeiffer) [info]
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A stronger burst of ash creates small pyroclastic flows on the upper slope of the cone. (Photo: Tom ... [info]
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Small pyroclastic flows on both sides of the upper cone of Caliente lava dome. (Photo: Tom Pfeiffer) [info]
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Ash eruption at Santiaguito lava dome (Photo: Tom Pfeiffer) [info]
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Plume of gas and ash rising from Caliente lava dome at sunset (Photo: Tom Pfeiffer) [info]
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Ash and steam rising form the active lava dome (Photo: Tom Pfeiffer) [info]
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Ash eruption at sunset (Photo: Tom Pfeiffer) [info]
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Eruption from Santiaguito in the morning (Photo: Tom Pfeiffer) [info]
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gua_i21141.jpg (Photo: Tom Pfeiffer) [info]
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gua_i21144.jpg (Photo: Tom Pfeiffer) [info]
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View onto the complex of the 4 overlapping lava domes of Santiaguito from the summit of Santa Maria ... [info]
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Dense ash rising from an eruption of Santiaguito's lava dome (Photo: Tom Pfeiffer) [info]
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