Anak Krakatau Eruption 2009 - ash Eruptions and Lightnings

Anak Krakatau eruption 2009 - ash eruptions & lightnings

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Ash emission from Krakatau (Photo: Tom Pfeiffer) [info]
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Ash emissions like this often lasted up to one minute. (Photo: Tom Pfeiffer) [info]
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A small lightning at the base of the ash plume was cought in daylight. (Photo: Tom Pfeiffer) [info]
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One of the rare (every 2-12 hrs approximately) vulcanian-type explosions at night with a large lightning forming inside the turbulent ash cloud. (1 Sep 09) (Photo: Tom Pfeiffer)

One of the rare (every 2-12 hrs approximately) vulcanian-type explosions at night with a large light... [info]
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Ash emission from Anak Krakatau seen from Rakata during the day. (Photo: Tom Pfeiffer) [info]
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Night-time shot of normal ash emissions from Anak (Photo: Tom Pfeiffer) [info]
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Dense ash emission after an initial vulcanian explosion. (Photo: Tom Pfeiffer) [info]
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A vulcanian explosion producing a dense cloud of ash and rock fragments ejected from the crater. Blocks impacting on the upper slope leave dust trails. (Photo: Tom Pfeiffer)

A vulcanian explosion producing a dense cloud of ash and rock fragments ejected from the crater. Blo... [info]
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Vulcanian eruption at night with lightning (1 Sep 09). (Photo: Tom Pfeiffer) [info]
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About 2 hrs after the previous shot, another explosion takes place, and again, there is a small lightning forming in the eruption column. (Photo: Tom Pfeiffer)

About 2 hrs after the previous shot, another explosion takes place, and again, there is a small ligh... [info]
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The rising ash plume just after the explosion in the previous photo. (Photo: Tom Pfeiffer) [info]
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Ash emission without significant amounts of ejected blocks from deep-seated explosions. (Photo: Tom Pfeiffer)

Ash emission without significant amounts of ejected blocks from deep-seated explosions. (Photo: Tom ... [info]
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After Sep 1, no more lightnings were observed, even though some of the explosions were still quite powerful. (3 Sep 09) (Photo: Tom Pfeiffer)

After Sep 1, no more lightnings were observed, even though some of the explosions were still quite p... [info]
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Ash emission in the evening. The ash plumes reach more than 1 km in height. (2 Sep 09) (Photo: Tom Pfeiffer)

Ash emission in the evening. The ash plumes reach more than 1 km in height. (2 Sep 09) (Photo: Tom P... [info]
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Powerful vulcanian eruption launching blocks until the base of the summit cone. (Photo: Tom Pfeiffer... [info]
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A tall eruption plume reaching approximately 1.5 km elevation. (Photo: Tom Pfeiffer) [info]
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