The U.S Geological Survey said that the quake, which occurred at 2.53 am (local time) and its epicentre was located at 17.48 degrees north and 62.14 degrees west. It had a depth of 30.4 miles and was felt in St. Kitts-Nevis, and the French island of Guadeloupe.
The Seismic Unit of the University of the West Indies said that the quake occurred west of Barbuda.
In 1974, an earthquake measuring 7.5 on the Richter Scale caused major damage in St. Kitts and Nevis.
Though the strongest effects were felt in St. Kitts and Nevis and St. Eustatius, there was also moderate shaking in St. Maarten and Antigua.
Officials at the National Emergency Management Agency, (NEMA) have disclosed that they have not been advised of any loss of life or major damage in any part of the two island state of St. Kitts and Nevis.
NEMA said it is continuing to monitor the extent of the event in collaboration with the St. Kitts Meteorological Services, the UWI Seismic Research Centre, and the Disaster Management community, and will share any new information with the public, as it becomes available.
Persons are advised to stay in contact with local radio stations and to pay attention to the response information currently being aired via the local media, pertaining to the impact of an earthquake. (Stay indoors during an earthquake event and drop, cover and hold on, until the shaking completely stops).