The 'a'a lava flow front, is still moving,- very slowly. Blocks are tumbling from its top, setting f...
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The lava flow has destroyed the cable car. (Photo: Tom Pfeiffer)
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Lava flow at Etna volcano, Italy. (Photo: Tom Pfeiffer)
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Several effusive vents arranged in a row on top of a dyke, feeding lava flows into Puka Nui collapse...
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The lava flow from the 2500 m vent, reaching La Spienza and lava flow from the lower vent at 2100 m ...
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Lava flows travelling down on Etna volcano's western flank. (c)
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Large lava flow descending from Bocca Nuova crater (Etna volcano, 1999) (c)
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Powerful eruptions from Bocca Nuova (Etna volcano). (Photo: Tom Pfeiffer)
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Exploding gas bubbles at the vent produce a firework of spectacular spattering 10-20 m high. hawaii_...
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(c)
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Observing a new lava flow on Etna volcano. (Photo: Tom Pfeiffer)
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Rob and Adam at the new lava flow (Photo: Tom Pfeiffer)
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Whenever blocks detach from the lava flow front, the hot, glowing interior of the flow is exposed br...
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The front of the lava flow. (Photo: Tom Pfeiffer)
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The aa lava flow front. (Photo: Tom Pfeiffer)
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The colapsed thin roof of pahoehoe lava over a nice lava channel. (Photo: Tom Pfeiffer)
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