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Home All News Weather Alerts

7.6-Magnitude Cayman Islands Earthquake Triggers Tsunami Fears

Tsunami Warnings Issued Across the Caribbean Before Being Lifted

Unitedpac by Unitedpac
February 8, 2025
in Caribbean News, Weather Alerts
Reading Time: 5 mins read
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Map showing the epicenter of the 7.6-magnitude Cayman Islands earthquake in the Caribbean Sea.

Map showing the epicenter of the 7.6-magnitude Cayman Islands earthquake in the Caribbean Sea.

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Table of Contents

  • 1. Tsunami Warnings Trigger Panic Before Being Canceled
  • 2. Seismic Activity: Understanding the Cause of the Quake
  • 3. No Major Damage or Casualties Reported
  • 4. Aftershock Risks and Continued Monitoring
  • 5. Authorities Urge Caution Despite Tsunami Threat Passing

Tsunami warnings issued after a powerful 7.6-magnitude Cayman Islands earthquake

A 7.6-magnitude earthquake struck the Caribbean Sea on Saturday evening, triggering tsunami warnings across the region before officials confirmed the threat had passed. According to the New York Post, the earthquake was recorded at 6:23 p.m. local time, with the U.S. Geological Survey (USGS) pinpointing its epicenter approximately 129 miles south-southwest of George Town, Cayman Islands, at a depth of 6 miles (10 kilometers).

Map showing the epicenter of the 7.6-magnitude Cayman Islands earthquake. Credit ABC News.
Map showing the epicenter of the 7.6-magnitude Cayman Islands earthquake. Credit ABC News.

Authorities across the Caribbean quickly issued tsunami warnings, cautioning coastal residents about the potential for dangerous waves. The alerts extended as far as the Mexican coastline, though they were lifted more than two hours later, according to the USGS. The U.S. National Tsunami Warning Center later announced on X (formerly Twitter) that the tsunami threat had officially passed but urged people to exercise caution due to possible unusual ocean currents.

01
of 05
Tsunami Warnings Trigger Panic Before Being Canceled

The powerful earthquake set off panic in multiple Caribbean nations, with emergency services advising coastal evacuations as a precaution.

  • Cayman Islands: The Hazard Management Cayman Islands (HMCI) urged coastal residents to move inland, warning of possible wave surges. Later, an all-clear was issued after assessments determined no significant tsunami impact.
  • Puerto Rico: The Puerto Rico Seismic Network activated tsunami alarms, prompting some residents to evacuate from low-lying areas. However, local authorities later confirmed that the threat had subsided.
  • Dominican Republic: The Emergency Operations Center initially issued a tsunami advisory, recommending people relocate at least 20 meters above sea level. The warning was later lifted.
  • Cuba: Coastal towns in eastern Cuba, particularly Baracoa and Santiago de Cuba, experienced strong tremors. Temporary evacuations were ordered, but after assessments, officials confirmed no tsunami risk.
  • Honduras & Mexico: The tsunami warning reached southern Mexico, but no significant waves were observed.

Despite initial fears, no major tsunami-related incidents were reported, and normal activities resumed.

02
of 05
Seismic Activity: Understanding the Cause of the Quake

The USGS reported that the earthquake resulted from strike-slip faulting near the tectonic boundary between the North American and Caribbean plates. This type of fault movement, where tectonic plates slide past each other horizontally, reduces the likelihood of vertical displacement, which typically causes destructive tsunamis.

This region has a history of strong earthquakes, including a 7.7-magnitude tremor in January 2020, which struck between Jamaica and Cuba. That event was felt as far as Miami, Florida, causing minor damage but no tsunami.

Experts stress that while earthquakes of this magnitude are not uncommon, preparedness remains crucial, as aftershocks or future seismic activity could occur.

03
of 05
No Major Damage or Casualties Reported

Despite the strength of the earthquake, there were no immediate reports of casualties or widespread structural damage. The New York Post reported that the quake’s offshore location likely prevented major destruction. However, assessment teams are evaluating buildings, infrastructure, and coastal zones for potential structural weaknesses.

Residents in George Town, Cayman Islands, reported strong shaking, with some experiencing brief power outages and minor structural cracks in buildings. Videos shared online showed furniture moving and ceiling fixtures swaying.

In Cuba and Honduras, tremors were also felt, but no significant damage was reported. Emergency response teams in Puerto Rico and the Dominican Republic have been deployed to inspect coastal erosion, landslides, and infrastructure stability.

04
of 05
Aftershock Risks and Continued Monitoring

Seismologists warn that aftershocks could occur in the coming days or weeks. While typically smaller in magnitude, they can still pose risks to weakened structures and coastal stability.

The USGS and the Pacific Tsunami Warning Center continue to monitor seismic activity, advising residents to remain vigilant, particularly in coastal areas where strong ocean currents may persist.

05
of 05
Authorities Urge Caution Despite Tsunami Threat Passing

Although the tsunami warnings have been lifted, emergency officials emphasize the importance of earthquake preparedness. Residents are advised to:

  • Stay updated with official government announcements.
  • Prepare for possible aftershocks by securing household items.
  • Avoid unnecessary travel to coastal areas until authorities confirm stability.
  • Exercise caution near the ocean, as unusual currents and tides may still be dangerous for swimmers and boaters.

Governments across the Caribbean continue to assess the situation, while disaster response teams remain on standby in case of further developments.

For continued updates on this developing story, follow Unitedpac St. Lucia News.

Tags: 7.6-Magnitude Cayman Islands EarthquakeCaribbean earthquake newsCayman IslandsCayman Islands natural disastersEarthquake preparedness tipsSeismic activity reportsTsunami warning updates

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