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Chaitén – another large dome collapse 27 February 2009

Posted by admin in activity reports, Chaitén, Chile, eruptions.
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The news from Chile is of another large-scale dome collapse at Chaitén volcano this afternoon. Reports say that a large part of the northern side of the dome collapsed and an intense plume rose from the volcano. The collapse occurred at around 14:47 local time this afternoon (17:47 GMT).

The following images come from the DGAC camera at Chaitén airfield, and run from 14:42 to 15:22 (the camera captures the scene every five minutes).

Chaiten, 27 February 2009, 14-42

Chaiten, 27 February 2009, 14-47

Chaiten, 27 February 2009, 14-52

Chaiten, 27 February 2009, 14'57

Chaiten, 27 February 2009, 15-02

Chaiten, 27 February 2009, 15-07

Chaiten, 27 February 2009, 15-12

Chaiten, 27 February 2009, 15-17

Chaiten, 27 February 2009, 15-22

‘A vast part of the north side of the dome at the summit of the massif collapsed during the afternoon and intense fumaroles ascended from the crater of the volcano’, reports 123 Chile, who apparently think this the beginning of the end: ‘Finally most of the dome of Chaitén volcano began to collapse almost completely this afternoon, after what remained of the north side succumbed this afternoon, around 15:00’. At the time of posting, 17:37 local time, the pinnacle and the southern flanks of the dome complex are still very much in place.

Gran desmoronamiento sufre cráter del volcán Chaitén – 123 Chile, 27 February 2009

Global Volcanism Program: Chaitén – summary information for Chaitén (1508-41)
SERNAGEOMIN – Servicio Nacional de Geología y Minería (Spanish)
Erupción del Volcán Chaitén – extensive coverage of the Chaitén eruption

For all our Chaitén coverage: Chaitén « The Volcanism Blog.

The Volcanism Blog



1. Brian Owens - 27 February 2009

Another big one at 19:45 local time. Seems like this is becoming more common. This one looks bigger then the one yesterday.

2. Beano - 27 February 2009

Maybe the only “beginning of the end” will be for the Chaiten township. From the images from your previous post, close ups reveal the amount of loose material that is ready to flow down the Rio Blanco (Chaiten) at the next major rains.

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