What Happened

At approximately 2:00 p.m. ET on Monday, June 8, 2026, an earthquake struck off the northwest coast of Cuba near the province of Pinar del Río.

The U.S. Geological Survey initially clocked the magnitude at 6.4, then revised it down to 6.1. The epicenter was placed 104 kilometers west-northwest of Mantua, Cuba, at a depth of 10 kilometers. Germany's Research Center for Geosciences (GFZ) reported the magnitude at 6.0.

Shallow quakes transmit energy more efficiently through the ground. At 10 km depth, even a 6.1 can produce felt intensity across a wide area.

Florida Felt It

NWS Miami confirmed via its official account that it received "several reports of shaking across Southwestern Florida" within 30 minutes of the event. Reports of shaking came in from as far north as Orlando and the Walt Disney World area, according to WFTV.

In West Palm Beach, resident Emily Zager, 38, told the Miami Herald she "felt like a jolt" — initially chalking it up to too much caffeine before checking seismic records.

The impact wasn't just residential. Miami-Dade County administrators shut down the 29-story Stephen P. Clark Government Center in downtown Miami shortly after 2 p.m. following employee reports of the building shaking, according to a county email posted on social media. At the same time, Miami-Dade's Transportation and Public Works Department suspended Metrorail and Metromover service at Government Center Station due to a "service disruption." Miami fire crews also responded to multiple calls for service related to seismic activity across the city.

The city of Miami stated in a press release: "At this time, no significant injuries or major property damage have been reported, and all calls have been handled without further issue."

No tsunami warning or watch was issued, according to the U.S. National Weather Service.

The Fault Line Behind It

This quake occurred along the fault boundary between the North American plate and the Caribbean plate — the same geological tension responsible for most Caribbean seismic activity, according to WFTV.

The Miami Herald noted that eastern Cuba sits in a well-known active seismic zone along those plate boundaries. Western Cuba is quieter by comparison, but not immune. A 4.7-magnitude tremor was recorded near Artemisa — about 40 miles southwest of Havana — in June 2021, felt across Pinar del Río and Havana provinces.

A 6.8-magnitude earthquake struck off the southern coast of Cuba's Granma province in November 2024, destroying homes and buildings in the region.

What the Coverage Got Right — and Wrong

ZeroHedge led with the preliminary 6.4 figure and didn't adequately flag that the USGS had already revised it down to 6.1 before their story posted.

CNBC ran with 6.0 (the GFZ figure) rather than the USGS's official 6.1. In seismic reporting, precision in magnitude designation carries weight.

The Disney Food Blog — yes, really — was one of the faster sources reporting Central Florida impacts. They noted their own team members felt furniture shaking and flagged the location of Disney cruise ships as potentially affected.

Most mainstream coverage treated this as a curiosity rather than exploring what it reveals about Florida's seismic vulnerability. Millions of people in South Florida live and work in high-rises that are engineered primarily for hurricane loads — not earthquake loads. A 6.1 off Cuba causing a 29-story government building to evacuate warrants serious examination.

What This Means for You

If you're in South Florida or Central Florida: no immediate danger, no tsunami risk, and no confirmed structural damage as of the afternoon of June 8. Authorities handled the disruptions without incident.

Florida has a seismic exposure problem that rarely gets discussed. Building codes, emergency protocols, and public awareness around earthquake risk in the Sunshine State are built around the assumption that earthquakes are someone else's problem. Today demonstrated otherwise.

A 6.1 at depth evacuated a government tower and shut down a metro system. A larger event — or one closer to shore — would significantly change the risk profile.