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Augustine volcano (Alaska), activity update: dome growth continues at low rate

mardi mars 21, 2006 21:18 | AUTEUR : TOM PFEIFFER

Low-level eruptive activity continues at Augustine Volcano. Changes in seismic signal characteristics as well as visual obsrevation suggest that Augustine is entering a phase of steady and slower effusion of lava, with intermittent block-and-ash-flows, rock avalanches, and rock falls from the summit lava dome.
The webcameras from AVO captured numerous hot avalanches and prolonged periods of incandescence in the summit area and on the upper northeast flank on several evenings. Satellite images show that thermal anomalies persist.
Observations made on overflights of the volcano this week indicate that the two lava flows on the north and northeast flanks continue to advance slowly. Occasional collapses of the lava flow fronts shed hot blocks and produce minor ash emissions. Estimates using photographs indicate that the new lava dome is about 70 m higher than the level of the lava dome formed in 1986.


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Source: AVO


Actualités précédentes
vendredi, mars 10, 2006

Due to lack of participants, we decided to cancel the tour to North Sulawesi and postpone it to 2007. As an interesting alternative, we can offer a special trekking tour in Java and Bali from 5-20 August instead. There are two open spaces available.

[details]
samedi, mars 04, 2006

We hare glad to announce that we can now offer an additional date for the tour on Nisyros island, Greece, this autumn: 6-15 October 2006. Details to the tour are found here

[details]
vendredi, févr. 24, 2006

The dates for the new expedition to Nyiragongo volcano are now set to 19-27 July, 2006. 3 spaces are still available. Details here.

[details]

mardi, févr. 07, 2006

Tom and Marco are just back home from our pilot tour to Nyiragongo volcano, which was very successful, so we plan to repeat the tour in July this year already. In the near future, we will post photos from the tour as well as details about the tour. Stay tuned!

... [details]
vendredi, déc. 23, 2005

2005 is soon over, and it's a good time to take a break and think about important things in life. The VolcanoDiscovery team wishes you a future without wars and tsunamis. Merry Christmas!

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