Antigua And Barbuda Earthquakes Today: Live Tracker & Map

Track every Antigua And Barbuda earthquake today with live seismic updates, refreshed every 60 seconds using verified data from USGS and EMSC. Antigua And Barbuda sits in a high seismic risk zone, with 23 earthquakes recorded in the last 30 days. Use the live map and list below to follow the latest quakes, magnitudes, depths and locations.

Live Seismology Clock:
UTC Synchronized
Regional Seismic Profile
Risk LevelHigh
Major FaultsLesser Antilles Subduction Zone, Antigua Trench Slope Faults
Notable Quakes1974 (M7.1), 1843 (M8.3)
Population Exposed93,000
Tectonic SettingSituated in the northern Lesser Antilles arc on the Caribbean Plate, perched directly above the interface where the North American Plate subducts westward beneath the Caribbean Plate.
Historical Insight: The strongest recorded earthquake in Antigua And Barbuda was the 1974 Antigua Earthquake earthquake, reaching magnitude 7.1.
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Earthquake in Antigua And Barbuda Right Now — Live Updates & Seismic Activity

Antigua And Barbuda experiences high seismic activity, primarily governed by its tectonic setting: Situated in the northern Lesser Antilles arc on the Caribbean Plate, perched directly above the interface where the North American Plate subducts westward beneath the Caribbean Plate.. Historically, the 1843 Guadeloupe/Antigua Megathrust Earthquake earthquake (M8.3) demonstrated the region's immense seismic hazard potential.Major geological fault structures include Lesser Antilles Subduction Zone, Antigua Trench Slope Faults, Barbuda Escarpment Fault. This page provides continuous, verified seismic telemetry sourced directly from the U.S. Geological Survey (USGS) and the European-Mediterranean Seismological Centre (EMSC).

Earthquakes Today in Antigua And Barbuda — Live USGS & EMSC Tracker

Was there an earthquake in Antigua And Barbuda today or just now? No significant earthquakes have been detected in Antigua And Barbuda within the past 24 hours. However, tectonic stress can shift without warning. Our live Today's Earthquakes tracker monitors real-time telemetry from the USGS and EMSC around the clock to detect and report every tremor the second it occurs. If you recently felt unexpected ground motion or tremors, check the interactive map above for recent verified seismic activity, depth measurements, and localized epicenter reports. In the last 30 days alone, Antigua And Barbuda recorded 23 earthquakes, with 4 in the past 7 days. With an exposed population of approximately 93,000, timely seismic tracking is crucial for emergency awareness.

Why Does Antigua And Barbuda Experience Earthquakes?

Seismic activity in Antigua And Barbuda is fundamentally driven by its tectonic setting: Situated in the northern Lesser Antilles arc on the Caribbean Plate, perched directly above the interface where the North American Plate subducts westward beneath the Caribbean Plate.. As tectonic plates continuously converge, slide past one another, or diverge, frictional forces along fault planes lock the crust until the strain exceeds rock strength. When a fault suddenly slips, stored elastic energy is released as seismic waves that radiate outward, causing the ground motion recorded on seismographs. To see the latest seismic events worldwide, visit our earthquake today tracker for live updates.

Key Facts About Antigua And Barbuda Seismicity

  • Seismic Risk: High
  • Major Faults: Lesser Antilles Subduction Zone, Antigua Trench Slope Faults, Barbuda Escarpment Fault
  • Tectonic Setting: Situated in the northern Lesser Antilles arc on the Caribbean Plate, perched directly above the interface where the North American Plate subducts westward beneath the Caribbean Plate.
  • Notable Historical Quakes: 1974 Antigua Earthquake (M7.1), 1843 Guadeloupe/Antigua Megathrust Earthquake (M8.3), 2004 Les Saintes Earthquake (M6.3)
  • Population Exposed: 93,000

Earthquake Magnitude & Impact Reference

M1.0–M2.9
Minor Tremor
M3.0–M4.9
Light Shaking
M5.0–M5.9
Moderate
M6.0–M6.9
Strong Shaking
M7.0+
Major Quake
Shallow (< 70 km)
Causes the highest surface ground shaking and structural risk.
Intermediate (70–300 km)
Widely felt across regions with moderate ground acceleration.
Deep (> 300 km)
Seismic wave energy is largely dissipated through the mantle.

Staying Safe During an Earthquake in Antigua And Barbuda

If you feel sudden shaking in Antigua And Barbuda, remember the official safety protocol: Drop, Cover, and Hold On. Take cover under a sturdy table, shield your head and neck, and hold on until ground shaking completely subsides. Afterwards, check for gas leaks, stay alert for aftershocks, and review our step-by-step earthquake survival guide .

Stay informed with our earthquake today homepage for a global overview of seismic activity. Explore other regions on our global countries directory, check our earthquake near me radar, set up instant seismic alerts, or read our scientific breakdown on why earthquakes happen.

Regional Seismic Navigation

Explore Seismic Activity & Cities in Antigua And Barbuda

Monitor localized live tremors across Antigua And Barbuda's provinces, explore neighboring fault lines, and access critical earthquake survival guides.

Active Seismic Regions & Municipalities

Select a province or municipality to view localized epicenter coordinates, focal depth, and nearby tremors.

Neighboring Tectonic & Seismic Zones

Earthquake tremors frequently cross national borders. Explore active subduction zones and fault networks in adjacent countries.

Subduction of the Atlantic oceanic crust of the North American Plate beneath the Caribbean Plate along the Lesser Antilles Arc at ~20 mm/year

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Located in the northern Leeward Islands arc of the Caribbean Plate, characterized by active subduction of the North American oceanic plate and active stratovolcanoes like Mount Liamuiga.

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Located within the central Lesser Antilles volcanic arc where the North American and South American plates subduct beneath the Caribbean Plate at ~2 cm/year; features 9 active volcanic complexes.

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Oceanic lithosphere of the South and North American plates subducting westward beneath the Caribbean Arc at the Lesser Antilles Trench

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North American Plate subducting beneath the northeastern corner of the Caribbean Plate near the Puerto Rico Trench and Virgin Islands Trough

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Saint Lucia EarthquakesModerate to High

North American and South American oceanic lithosphere subducting beneath the Caribbean Plate along the Lesser Antilles Volcanic Arc

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Seismic Preparedness & Real-Time Radar Tools

Essential emergency resources, live proximity scanning, and life-saving safety guides.

Earthquakes Near Me

Use your device GPS to scan for earthquakes within 100km to 1,000km of your current location.

Launch Proximity Radar
What to Do During Shaking

Immediate survival steps: Drop, Cover, and Hold On rules for indoors, vehicles, and open areas.

Read Survival Guide
72-Hour Emergency Kit

Comprehensive checklist: drinking water, emergency rations, trauma medical supplies, and power backup.

View Kit Checklist
Pacific Ring of Fire

Deep dive into the 40,000 km subduction belt responsible for 90% of global tremors and megaquakes.

Explore Ring of Fire
Frequently Asked Questions

Frequently Asked Questions

Live seismic intelligence, historical frequency trends, and safety tips for Antigua And Barbuda.

To check if an earthquake just occurred in Antigua And Barbuda, view our live interactive map and real-time feed at the top of this page. Any tremors detected within the last 24 hours are displayed instantly with verified magnitude, focal depth, exact epicenter coordinates, and distance from major cities, updated directly via USGS and EMSC sensor networks.