Puerto Rico’s southern coast was hit with a 6.5 magnitude earthquake. The quakes have been regularly occurring since December 28 and now an island-wide blackout is being reported.

A 6.5 magnitude earthquake was registered off the coast of Puerto Rico on Tuesday that reportedly caused an islandwide blackout.

The U.S. Geological Survey said the quake hit just south of the island at a shallow depth of roughly 6 miles. A tsunami warning was not issued. There was no immediate report of injuries or damage.

Jose Ortiz, the CEO of the Electric Power Authority in Puerto Rico, confirmed there's damage to the Central Costa Sur power plant in the southern part of the island and they expect the system to reenergize later today. The authority said all of their power plants had gone offline due to a self-protective feature that was activated following the earthquake.

PUERTO RICO HIT WITH 5.8 MAGNITUDE EARTHQUAKE IN LARGEST OF FLURRY OF TEMBLORS IN REGION

The latest earthquake comes less than 24 hours after a 5.8 magnitude quake struck before dawn on Monday. The earlier quake caused damage to the coastal town of Guanica. It also destroyed the famous Punta Ventana stone arch, an iconic landmark described as a "natural wonder."

Governor of Puerto Rico Wanda Vázquez Garced asked residents to remain calm and safe as they receive updates from local emergency departments.

The flurry of quakes in Puerto Rico's southern region began the night of Dec. 28. Victor Huerfano, director of Puerto Rico's Seismic Network, told The Associated Press that shallow quakes were occurring along three faults in Puerto Rico's southwest region: Lajas Valley, Montalva Point and the Guayanilla Canyon.

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He said the quakes overall come as the North American plate and the Caribbean plate squeeze Puerto Rico.

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One of the largest and most damaging earthquakes to hit Puerto Rico occurred in October 1918, when a magnitude 7.3 quake struck near the island's northwest coast, unleashing a tsunami and killing 116 people.

The Associated Press contributed to the report.

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