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Explosions and Earthquakes at Anak Krakatau as Alert Status Raised
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sysop One Large Platinum Spinning Star Offline O.P.

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read Explosions and Earthquakes at Anak Krakatau as Alert Status Raised
Very quick post this morning, but a number of people have mentioned that Anak Krakatau experienced new explosions today. The volcano had been experiencing a very sharp increase in seismicity, numbering over 6,000-7,000 earthquakes a day (well above the background of 100-300 per day).

The PVMBG had raised the alert status to “four“, (it looks like it was actually only at three now, not sure where the confusion came from) indicating an eruption was likely to happen within a few days and a 2 km exclusion zone was established around the island volcano. Surono, head of the PVMBG, has been reminding people living on the coasts of the Sunda Strait where Anak Krakatau lies that there is little-to-no chance of a massive tsunami like the one that was produced during the eruption and collapse of Krakatau in 1883.

There is some video of the plume from the volcano, which, although bigger than the normal vulcanian and strombolian activity at Anak Krakatau, is still relatively small, reaching 2-3 km.


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10-05-2011 06:02 PM
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