Quake aftershock of 4.7 magnitude hits Haiti
The quake struck at 1:26 a.m./7:26 a.m. British time at a depth of 6.2 miles (10 km), the USGS said.
There were no immediate reports of damage.
A 4.7 magnitude quake hit Haiti on Monday, one of series of aftershocks since a catastrophic magnitude 7 quake hit the island on January 12.