The University of the West Indies' Seismic Research Center is reporting an earthquake hit Friday night northwest of Trinidad.
The quake measured magnitude 6.4 at a depth of 37 miles (60 kilometers).
The Seismic Research Center said it had received no reports of damage or injuries.
It was the strongest earthquake in Trinidad since 1997, when a magnitude-6.1 quake caused some damage on the island of Tobago north of Trinidad.
The center said Friday's earthquake was felt in Trinidad, St. Vincent, Grenada and Guyana.
Explore further: Bridgmanite: World's most abundant mineral finally named