| 11. | The theory that a lava fountain created this unique flow is currently the most accepted theory.
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| 12. | Lava fountains may occur as a series of short pulses, or a continuous jet of lava.
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| 13. | More isolated lava fountains along the fissure produce crater rows of small spatter and cinder cones.
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| 14. | On April 4, lava fountains reached 400 meters high beneath a cloud of ash about 2 kilometers high.
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| 15. | This is consistent with variations in the distribution and size of lava fountains at Pele over that timeframe.
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| 16. | This volcanic activity has produced numerous Hawaiian eruptions, which created lava fountains, small cinder cones and lava flows.
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| 17. | The lava fountain is big enough.
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| 18. | The highest lava fountains recorded were during the 1999 eruption of Mount Etna in Italy, which reached heights of.
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| 19. | They consist of loose pyroclastic debris formed by explosive eruptions or lava fountains from a single, typically cylindrical, vent.
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| 20. | The Voragine crater exhibited a lava fountain which reached in height, with an ash plume which reached in height.
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