The island is on red alert, which means that an eruption is “imminent now,” said NEMO.
Evacuation orders are in effect in about a dozen St. Vincent districts, affecting about 6,000 to 7,000 people, a spokesman for the University of the West Indies Seismic Research Center, or UWI-SRC, told CNN .
Saint Vincent is the largest island in the Saint Vincent and the Grenadines chain in the Caribbean.
Scientists at the Belmont Observatory in St. Vincent observed a volcanic tremor on the island at about 3 am local time, according to UWI-SRC.
The first band of tremors was followed by four more, with the last at 1 pm. This type of seismic signal is usually associated with the movement of magma and fluids close to the surface, according to the UWI-SRC.
Clouds of steam could also be seen from the observatory during periods of tremors.
Prime Minister of Trinidad and Tobago, Keith Rowley, spoke to Gonsalves and offered help, according to Trinidad and Tobago’s Ministry of National Security.
Venezuela will send humanitarian supplies and risk specialists, Venezuelan Foreign Minister Jorge Arreaza said in his Twitter account.