Eruptions & current activity category

• Posted By: RogerVaughan on Oct 17, 2011 11:19PM Category: Eruptions & current activity
  Anak Krakatau Eruption 3 comments
  
  The Jakarta Post today reported "Anak Krakatau volcano, situated in the Sunda Strait, erupted 12 times on Sunday, spewing hot ash and debris into the atmosphere.
  
  The head of the volcano monitoring post in Pasauran, Banten, Anton Tripambudi, said volcanic tremors from Anak Krakatau had reached 5.575 on the Richter scale on Saturday evening".
  
  So there may still be hope yet for an Eruption Special visit on the 30th October!

  Tags: Krakatau (Anak Krakatau)

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  Posted By: RogerVaughan on Oct 23, 2011 01:26PM

  Further News 23rd October 2011:
  
  The SunDaily in Malaysia reports yesterday….
  
  “JAKARTA (Oct 22, 2011): Indonesia's Anak Krakatau (Child of Krakatau) volcano in the Sunda Strait is showing increased seismic activity lately and there are fears there might be a bigger eruption at the volcano compared to the one in 2007”
  
  It also adds: “Indonesia's Vulcanology and Geological Disasters Mitigation Centre head Surono said Krakatau was experiencing over 5,000 tremors a day now. ... more

  Gas leaks from the volcano had also caused Krakatau to be shrouded in a yellowish cloud, a phenomenon that has never happened, he was quoted as saying by Indonesia's Kompass daily today”
  
  The article is at URL: www.thesundaily.my/news/185800 [less]

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  Posted By: Tom on Oct 29, 2011 11:44AM

  Unfortunately, I don't think it is worth going and there are not enough inscriptions, too. So, we better wait a bit more.

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  Posted By: Tom Pfeiffer on Oct 19, 2011 11:12PM

  Yes, we'll send out a newsletter the next days!

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• Posted By: tompfeiffer on Sep 13, 2011 08:50PM Category: Eruptions & current activity
  
  Tremor beneath Mount Rainier volcano
  
  On September 13, 2011 at 09:29:28 AM a weak tremor of 2.6 magnitude occurred below the crater of Mt Rainier, the famous volcano in Washington near the city of Seattle.
  from Earthquake Report:
  "This does not mean that the volcano will erupt, but this tremor below the crater can at least be called unusual.
  Todays tremor is by far the biggest one since many months. ... more

  
  Typically, up to five earthquakes are recorded monthly near the summit. Swarms of five to ten shallow earthquakes over two or three days take place from time to time, predominantly in the region of 4 km below the summit (near sea level), and are thought to be caused by the circulation of hot fluids beneath Mount Rainier.
  Seismic swarms (not initiated with a mainshock) are common features at volcanoes, and are rarely associated with eruptive activity."
  ---
  More at: Earthquake Report [less]

  Tags: Washington, tremor, Rainier, earthquake, Mount Rainier

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• Posted By: tobias on Sep 02, 2011 09:33PM Category: Eruptions & current activity
  
  Watch live the research at the submarine volcano Kolumbus
  
  There is a great opportunity to watch live the research of the submarine volcano Kolumbus:
  
  http://www.nautiluslive.org/

  Tags: submarine, Kolumbus, live, research, Nautilus, Santorini

  Reply
• Posted By: tompfeiffer on Aug 25, 2011 03:05PM Category: Eruptions & current activity
  
  Volcanic Sunsets 1 comment
  
  Eruption reader Luis Miguel Godinho directed me to the following interesting article about crepuscular rays caused by volcanic aerosols in the stratosphere at sunset:
  VOLCANIC SUNSETS:
  

  

  Sky watchers in Europe should be alert for volcanic sunsets. “For the past week, we’ve seen unusual twilight rays probably caused by high-attitude aerosols from Nabro, a volcano which erupted in Eritrea on June 13th,” reports Petr Horalek from the Ondřejov Observatory of the Astronomical Institute of the Academy of Sciences of the Czech Republic. ... more

  This is how the sky looked on Aug. 23rd:
  
  “Around 20 minutes after sunset these significant crepuscular rays appeared like shining fingers in the western sky,” he describes. “The rays were so strong, I could see them almost directly overhead; and in the south, they stretched across the horizon like great red and purple stripes.”
  
  Purple is one of the telltale colors of a volcanic sunset. Fine volcanic aerosols in the stratosphere scatter blue light which, when mixed with ordinary sunset red.
  
  Source: www.spaceweather.com
  Image credit: Monika Landy-Gyebnar of Veszprem, Hungary
  [less]

  Tags: sunset, crepuscular rays, volcanic aerosols

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  Posted By: Tom on Aug 28, 2011 11:22AM

  Similar sunsets could lately be often seen here in Athens, too.

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• Posted By: tompfeiffer on Aug 23, 2011 12:27AM Category: Eruptions & current activity
  
  Visiting Tavurvur volcano
  
  If you like to see Tavurvur erupt, you can come on Ulla's next expedition in October 2011: www.volcanodiscovery.com/expeditions/papua.html
  If you need more information, please contact us!

  Tags: Papua New Guinea, expedition, jungel, mummies, Ulla Lohmann, Rabaul (Tavurvur)

  Reply