The first was on May 21 at 06:02 UTC-4 .

The second happened on May 22 at 06:30 UTC-4 .

Its epicenter was in the Nahuelbuta National Park , Araucanía Region , Chile , and its magnitude was 7.1 M. It was followed by a 6.8 M earthquake Catastrophe at 06:32 UTC-4 .

The third happened the same day at 14:56 UTC-4 .