A strong earthquake struck near Antigua on May 16 at about 10:50 a.m., shaking the Northeastern Caribbean and sending products tumbling from shelves in businesses and supermarkets. There were no immediate reports of deaths or major structural damage after the quake, which was measured at magnitude 6.1 by the United States Geological Survey and magnitude 6.4 by the University of the West Indies Seismic Research Centre.

Videos circulating on social media showed the force of the tremor inside shops and stores, where goods fell as people reacted to the shaking. Dale Destin said the incident should reinforce the need for public readiness and greater tsunami awareness and preparedness, even though this earthquake did not generate a tsunami.

The event matters because Antigua and Barbuda sits in a tectonically active region where the Atlantic Plate is forced beneath the Caribbean Plate, a setting that has produced destructive quakes before. The region was hit by the devastating 1843 Antigua–Guadeloupe earthquake and later by a magnitude 7.5 earthquake northwest of Antigua in 1974, reminders that strong shaking is part of the island’s risk profile.

Destin said natural warning signs of a possible tsunami include prolonged shaking, sudden sea retreat and unusual ocean activity. He urged residents in coastal areas to move inland or seek higher ground immediately if those signs appear, a warning that carried extra weight on a day when a powerful earthquake was felt so widely and so suddenly.

The lack of immediate casualty reports offered some relief, but the scale of the shaking showed how quickly a major earthquake can disrupt daily life across the region. For Antigua and Barbuda, the question is not whether another strong quake will come someday; it is whether households, businesses and coastal communities will be ready when it does.