The UWI Seismic Research Centre (SRC) has recorded short episodes of high-amplitude seismic tremor at La Soufrière, St Vincent, each lasting around 20 minutes and with gaps between them from one to six hours.
In their update last evening, the SRC also said the episodes appeared to coincide with periods of enhanced venting or explosive activity and that the background level of seismic tremor between the episodes has been increasing slowly.
They have also observed steaming in the upper parts of the Rabacca valley. The cause of this phenomena is currently being investigated.
The SRC said the volcano continues to erupt explosively with the production of copious amounts of ash. Explosions and accompanying ashfall, of similar or larger magnitude, are likely to continue to occur over the next few days impacting St. Vincent and neighbouring islands.
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