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Pinatubo, before dome growth - December 1991 |
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Pinatubo, after dome growth and talus fill - December 1992 |
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Pinatubo, hi-resolution close-up of dome - December 1992 |
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Pinatubo Volcano, view from northeast crater rim - July 1993 |
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Pinatubo Volcano, zoom of above. Dome as of July 1993 |
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Pasig (left) and Sacobia Pyroclastic flow fans on the east side of Pinatubo. Valley fill deposits estimated at 1.6 cubic kilometers. |
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Dendritic erosional patterns of rill and gully structures on the pyroclastic flow fans. |
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Pyroclastic flow deposits from June 14-15 1991 eruption. West side - July 1993 |
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Pyroclastic flow deposits from June 14-15 1991 eruption. Sacobia channel - July 1993 |
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June 12 1991 explosion of Pinatubo volcano. Smaller frequent explosion preceded the climatic eruption on June 14-15 1991. |
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Secondary explosion on Pasig Pyroclastic flow fan - July 13 1992 2330H |
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Secondary explosion on Pasig (left) and Sacobia (right) Pyroclastic flow fans - August 4 1993
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Secondary explosion on Sacobia Pyroclastic flow fan - August 4 1993. Secondary pyroclastic flows resulting from this explosion in image below |
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Remobilized pyroclastic deposits (secondary pyroclastic flow) Sacobia - Aug 4 1993 |
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Initiation of a secondary pyroclastic flow along the Sacobia River |
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Pinatubo Volcano Observatory - Clark Air Base - Pampanga |
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United States Marines - UH1 - Field Vehicle of choice! |