There were no immediate reports of casualties or damage from the earthquakes, which the USGS said hit at a depth of 10 km (6 miles) about 80 km (50 miles) from the northwestern coastal town of Isabela.
Local authorities have not issued a tsunami warning.
In January 2010, Haiti was hit by a devastating earthquake which resulted in over 200,000 deaths and injured more than 300,000. The situation was worsened by tropical storms, and subsequently by a cholera epidemic.
