"At the moment, the search for the dead is underway ... At the moment, 29 dead have been registered," said a representative of the departments, quoted by TASS.
AFP cites the same data with reference to the authorities.
The US Geological Survey said that the earthquake occurred at 8:29 local time, 125 km west of the capital, Port-au-Prince, at a depth of 10 km.
According to the Haitian Times, strong tremors were felt in the cities of Le Quay, Jeremy, Saint-Louis-du-Sud, Aquinas, Petit-Trou-de-Nipp, Anse-a-Vaux and Cavaillon.
The Civil Protection Directorate said that at the moment there is no risk of a tsunami.
Earlier, seismologists recorded a 7.2 magnitude earthquake in Haiti.