The 6.4Mw 2019–20 Puerto Rico earthquakes kill four and injure nine in southern Puerto Rico.

Starting on December 28, 2019, and progressing into 2020, the southwestern part of the island of Puerto Rico was struck by an earthquake swarm, including 11 that were of magnitude 5 or greater. The largest and most damaging of this sequence was a magnitude 6.4 Mw, which occurred on January 7 at 04:24 AST (08:24 UTC), with a maximum felt intensity of VIII (Severe) on the Modified Mercalli intensity scale. At least one person was killed, and several others were injured. A 5.8 Mwearthquake the previous day caused the destruction of a natural arch, a tourist attraction at Punta Ventana in Guayanilla. A 5.9 Mwaftershock on Saturday, January 11, damaged many structures, including several historical buildings as well as modern high-rises in the city of Ponce.