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More activity at Soufrière Hills 17 October 2009

Posted by admin in activity reports, Caribbean, eruptions, Soufrière Hills.
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The Montserrat Volcano Observatory reports that 16 October saw high levels of activity at Soufrière Hills volcano, with several large pyroclastic flows descending to the south and further moderate-sized pyroclastic flows taking place towards the north-east. These flows are clearly products of instability and collapses associated with the growth of a new dome. Activity declined at around 17:00 local time on 16 October, and the MVO reports that things have been quieter today, although rockfalls and pyroclastic flow signals have been occurring cyclically every 2.5-3 hours.

Yesterday’s activity produced ash plumes that rose to a maximum height of 20000 feet or 6000 metres, as reported by Washington VAAC (advisory 20091016/1905Z). Today ash has been reported between 10000 and 16000 feet, 3000-4800 metres. The ash cloud has resulted in flight cancellations and diversions between Luis Muñoz Marín airport on Puerto Rico and various destinations in the United States and the Caribbean.

[Thanks to Boris Behncke for the latest news on this activity.]

For all our Soufrière Hills coverage: Soufrière Hills « The Volcanism Blog.

News
Cancelan vuelos por ceniza volcánica que viene en caminio – Primerahora.com, 17 October 2009

Information
Global Volcanism Program: Soufrière Hills – information about Soufrière Hills volcano (1600-05=)
Montserrat Volcano Observatory – detailed and up-to-date information from the MVO

The Volcanism Blog