The weekly volcano report, brought to you by our friends at the Smithsonian Global Volcanism Program and the U.S. Geological Survey.

Highlights (not including Mayon, Nyamuragira and Turrialba):

  • Eruptions continue at Piton de la Fournaise on Reunion Island – heck, this would be the volcano news if it wasn’t for all these other, more explosive systems getting in the way. Lava fountains, flows and pools were the order of the day in the SW Dolomieu crater until the 12th of January.
  • Chaiten in Chile continues to chug along – block-and-ash flows were seen and ash plumes continue to emanate from the three new domes growing in the caldera.
  • Strombolian activity and lava flows march on at Kliuchevskoi in Russia’s Kamchatka Peninsula.
  • Pyroclastic flows continued along the N and NW flanks of Soufriere Hills on Montserrat, along with a 150-m lobe of new lava that was spotted at the summit dome.
  • Finally, Santa María’s Santiaguito dome in Guatemala produced incandescent avalanches and ~3.2 km / 10,500 foot ash plumes.


  1. #1 Boris Behncke
    January 15, 2010

    Something interesting is happening at Halema’uma’u (Kilauea volcano, Hawai’i) – the lava lake returned triumphantly to the active pit last night, and now it is filling virtually the entire field of the Halema’uma’u Overlook webcam:
    This may indicate that the lava lake has risen higher than it has – if I remember correctly – at any time since activity came back to Halema’uma’u in 2008.
    In any case, check it out while you can, it’s quite impressive.

  2. #2 mots
    January 15, 2010

    Following the tiltmeter and gps information it seems that an eruption is building. Did i read the info correctly?
    Is the tilt increasing and the gps readings just begining to draw apart?

  3. #3 Enrique Celaya
    January 26, 2010

    Just a quick question – per the Discovery Channel program on Vesuvius this past month – can the earthquakes at Yellowstone produce the same type of compression on the magma to produce an eruption? The program stated that they theorize that seismic waves compress the magma and force it to the “top” and out of the volcano. Could this happen at Yellowstone?

  4. #4 Flash
    February 3, 2010

    Was kliuchevoskoi’s last eruption on October 16, 2008? I have a project on Kliuchevoskoi and I have to make a model of it. Details and general information would be very much appreciated. I’ll continue to research the matter.


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