The 7.2-size shudder hit the west of the country on Saturday morning, overturning and harming structures including chapels and inns.
The leader said there was “broad harm” in pieces of the nation, and he was announcing an extended highly sensitive situation.
Haiti is as yet recuperating from an overwhelming 2010 quake.
The focal point of Saturday’s shake was about 12km (7.5 miles) from the town of Saint-Louis du Sud, the US Geological Survey (USGS) said.
The quake was felt in the thickly populated capital of Port-au-Prince, some 125km away, and in adjoining nations.
“Bunches of homes are annihilated, individuals are dead and some are at the clinic,” Christella Saint Hilaire, who lives close to the focal point, disclosed to AFP news organization.
Executive Ariel Henry said he had assembled a group to chip away at the aid venture, as he sent sympathies to those influenced.
He additionally spoke to Haitians to bring together as they ″confront this sensational circumstance where we’re residing at present”.
US President Joe Biden approved an “prompt US reaction” to help the country.
The USGS prior cautioned that the tremor could bring about large number of fatalities and wounds.
Frantz Duval, supervisor in-head of Haiti’s Le Nouvelliste paper, tweeted that two inns were among the structures obliterated in the town of Les Cayes. He said the neighborhood emergency clinic was overpowered.
“Gradually, unequivocally and for extremely long seconds the earth shook in Haiti on 14 August, 2021 around 8:30 am,” he composed.
Columnists at Le Nouvelliste later said most of temples and lodgings on the south coast had fallen or experienced significant harm.
Photographs shared via online media showed harmed structures and heaps of rubble after the shake.