SI/USGS Weekly Volcano Report for 1/6-1/12/2010

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 MarÃa's Santiaguito dome in Guatemala produced incandescent avalanches and ~3.2 km / 10,500 foot ash plumes.

More like this

Lava on Mayon, December 2009, with Legazpi City in the foreground. The mainstream media has picked up on the activity at Mayon - I've seen it splashed across CNN, FoxNews, ABC, BBC and others. Most of the coverage has been decent, however, I do worry when I see that people have found Eruptions…
Lenticular clouds forming over Redoubt on May 25, 2009. Image courtesy of AVO/USGS and sent to me by Eruptions reader Todd Russell. We haven't talked much about Redoubt lately, so I thought I'd add a brief update. First off, the Alert Level at the volcano still sits at Orange/Watch status, meaning…
Lava flows from Mayon, taken December 23, 2009. Volcano news over the holidays this year is still focused on Mayon in the Philippines. We're reaching almost a month since the volcano starting showing signs of a major eruption, but no "big one" yet. Lava flows, ash and block-and-ash flows are…
All the news to start the week: Galeras with a grey ash-and-steam plume behind Pasto, Colombia. Well, after my article on Friday about Colombian volcanoes, Galeras must have decided it was left out. The volcano has been placed back at alert level Orange/II (eruption in days to weeks). An increase…

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:
http://volcanoes.usgs.gov/hvo/cams/HMcam/
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.

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?
Thanks,
Best!motsfo

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?

By Enrique Celaya (not verified) on 26 Jan 2010 #permalink

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.

Thanks!

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