SAN JUAN, Puerto Rico (KYMA, KECY) - Yet another shock rattled Puerto Rico Saturday morning.
The 5.9 magnitude aftershock struck in the Caribbean Sea, at about 5:54 a.m. eight miles south of Indios, Puerto Rico.
Initially categorized as a 6.0 quake, it left thousands without power, and added to the extensive damage caused by prior quakes this week.
A historic 6.4 magnitude earthquake struck Puerto Rico on Tuesday, killing at least one person, injuring at least nine, and leaving nearly a million people without power.
It led to a 5.2 magnitude aftershock Friday afternoon, and this morning's aftershock.
It is estimated that 93 percent of the population has been affected by power outages this week, reports CNN.
Puerto Rico Governor Wanda Vasquez declared a state of Emergency due to the quakes.
Stick with KYMA for further updates.