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Tunguarahua volcano (Ecuador), activity update: strong, near-continuous explosions, ash fall, lahars

Thursday Mar 29, 2007 22:44 PM | BY: TOM PFEIFFER

Tungurahua continues to be the most active volcano in South America. During the past week, near-constant explosive activity produced plumes that rose to altitudes of 7-10 km (23,000-32,800 ft) a.s.l. and drifted mainly W, NW, and N. Ashfall was reported from areas downwind and from areas SW within 8 km, on all days except 25 and 27 March.
Noises resembling "cannon shots" and blocks rolling down the flanks were heard on 21, 22, and 25 March; windows rattled as far away as 11 km N in Guadalupe. On 23 March, lahars traveled mainly down NW gorges and affected the roads between Ambato and Baños, and between Baños and Penipe.


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Source: IG via GVP/USGS Weekly Volcanic Activity Report, 21-27 March 2007

Previous news

Friday, Mar 16, 2007

Tom and Marco visited Stromboli's recent eruption in early March. Sets of new photographs have been posted.

[more]
Monday, Nov 13, 2006

We gladly announce two new study&walking tours we can offer you in Italy: one to the Bay of Naples from 8-15 April and a two-weeks tour of the Eolian Islands from 6-18 May 2007. Both tours will be guided by our Italian geologist Marta who is a true insider in both areas.

[more]
Saturday, Jul 29, 2006

A set of photos from our recent expediton to Nyiragongo volcano has been posted. The next tour to see this unique volcano and the endangered mountain gorilllas of the Virunga volcanic chain is now set to 21-28 Jan. 2007. Details on this page.

[more]
Monday, Apr 17, 2006

Because of the recent interesting volcanic activity at Merapi and Semeru volcano on Java, we point to two tours with open spaces for last-minute individual bookings:

... [more]
Friday, Mar 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.

[more]

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