St. Vincent and the Grenadines Prime Minister Ralph Gonsalves on Thursday declared a disaster alert prompted by a change in the eruptive activity at the La Soufrière volcano, according to the country’s National Emergency Management Organization.St. Vincent and the Grenadines Prime Minister Ralph Gonsalves on Thursday declared a disaster alert prompted by a change in the eruptive activity at the La Soufrière volcano, according to the country’s National Emergency Management Organization.