Thu | Jul 29, 2021

More scientists to monitor erupting La Soufrière volcano in St Vincent

Published:Tuesday | January 12, 2021 | 12:52 PM
Volcanic gases being emitted from the new dome as well as the crater wall of the La Soufrière volcano in St Vincent - Contributed photo.

KINGSTOWN, St Vincent, CMC – Two scientists from the Seismic Research Centre, Thomas Christopher and Adam Stinton, who are based at the Montserrat Volcano Observatory, will this week join the team from the centre that has been monitoring the La Soufrière volcano as it continues to erupt effusively.

They are expected to gather data from the dome and crater through temperature and photogrammetry measurements and gas measurements using a MultiGAS and spectrometer, the National Emergency Management Organisation (NEMO) said.

The team is led by Vincentian geologist Professor Richard Robertson from came from the seismic research centre at the University of the West Indies, St Augustine in Trinidad, where he is based.

NEMO said the Caribbean Disaster Emergency Management Agency (CDEMA) is finalising helicopter support for the team to install equipment and collect samples from the summit of the volcano.

The dome that broke through the crater floor on December 27, 2020, on the south-west perimeter of the existing dome, continues to grow within the crater of La Soufrière and has an ellipsoid shape with growth expanding in a westerly direction.

No reconnaissance flight to the La Soufrière was done on Monday due to unfavourable weather conditions.

However, the research centre team led a mission last Saturday, with the assistance of drone pilot Rommel De Freitas, to test the feasibility of using drones for aerial surveillance of the volcano.

The mission was successful and it was concluded that useful surveillance work could be done with drones from a particular location at the crater.

The SRC team completed installation of a seismic station in Owia on Monday, and are preparing equipment to be installed at the Summit Station this week and the Fancy Station next week.

Due to the revised protocols for mass gathering implemented by NEMO’s Health Services Sub-Committee, NEMO has suspended, until further notice, all face-to-face community meetings to update residents on the present state of the volcano.

Information to communities will be communicated virtually.

The alert level remains at orange, meaning that an eruption could occur within 24 hours.

Persons living in the red zone — from Georgetown to Fancy in the east and north of Belle Isle in the west should be prepared — have been told to prepare to evacuate at short notice, should such an order be given.

The volcano continues to exude magma on the surface and steam can still be observed from the Belmont Observatory, located in Rose Hall.

Residents of areas close to the volcano should expect strong sulphur smells for several days to weeks, depending on changes in wind direction.

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