Puerto Rico is still feeling aftershocks following a 6.4 magnitude earthquake earlier in the week. On Friday, a 5.2 magnitude aftershock shook the island's southern coast.
Friday's 5.2 earthquake was felt primarily in the southwest corner of the island, according to the USGS.
Friday's aftershock marked the 13th earthquake of a 4.5 magnitude or stronger. A 4.6 magnitude earthquake also hit the southern coast of Puerto Rico earlier on Friday.
The 6.4 magnitude earthquake caused strong to very strong shaking along the island's southern coast.
Friday's 5.2 magnitude aftershock caused strong shaking in the same areas.