{"id":256956,"date":"2025-11-06T05:57:00","date_gmt":"2025-11-06T09:57:00","guid":{"rendered":"https:\/\/antiguanewsroom.com\/?p=256956"},"modified":"2025-11-05T20:00:55","modified_gmt":"2025-11-06T00:00:55","slug":"how-antigua-and-barbuda-can-protect-its-agriculture-from-tsunami-threats","status":"publish","type":"post","link":"https:\/\/antiguanewsroom.com\/how-antigua-and-barbuda-can-protect-its-agriculture-from-tsunami-threats\/","title":{"rendered":"How Antigua and Barbuda Can Protect Its Agriculture from Tsunami Threats"},"content":{"rendered":"
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When the Tide Turns: Tsunami Risks and Agricultural Resilience in Antigua and Barbuda<\/h2>\n\n\n\n

By Brent Simon<\/strong><\/p>

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Every November 5th, on World Tsunami Awareness Day, the world is reminded that beneath seemingly placid oceans lies the potential for sudden, devastating change. For the twin-island state of Antigua and Barbuda, surrounded by the life-giving sea yet facing latent geological threats, the message is especially pertinent.<\/p>\n\n\n\n

A tsunami isn\u2019t just \u201ca big wave.\u201d It\u2019s a massive transfer of energy\u2014often triggered when the seafloor shifts, volcanic material collapses into the sea, or underwater landslides occur\u2014displacing vast quantities of water and radiating outward at high speed. The key tectonic features relevant for our region include the Puerto Rico Trench and the Lesser Antilles subduction zone, where the North American Plate slides beneath the Caribbean Plate. These zones are capable of generating tsunamis that could reach Antigua and Barbuda in a matter of minutes to an hour.<\/p>

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While historical records in our immediate locale are limited, there is clear evidence of seismic activity in the broader region\u2014and what appears to be an uptick in tremors in recent months. In late October 2025, for example, Antigua and Barbuda experienced about 20 earthquakes in one week, including a magnitude 5.2 event felt across multiple communities. The region\u2019s seismic agency has recently updated its alert system in recognition of this increased activity.<\/p>

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That doesn\u2019t mean a tsunami is imminent\u2014but it means we should stop treating them like mythical possibilities and start treating them like the real risk they are.<\/p>\n\n\n\n

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Agriculture and the Coastal Frontier<\/h3>\n\n\n\n

In Antigua and Barbuda, agriculture occupies a narrow margin between land and sea. Many productive farms lie on low-lying coastal plains\u2014areas such as Bethesda, Parham and the northern fringes of Barbuda\u2014where even moderate wave surges or flooding would challenge production.<\/p>

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What are the key risks to agriculture from a tsunami event?<\/strong><\/p>\n\n\n\n

Saltwater intrusion.<\/strong>
A tsunami surge carrying seawater inland deposits sodium and chloride ions into soil and groundwater. These ions interfere with plant water uptake, alter soil structure by dispersing clay particles, and can inhibit germination and root growth for months to years. Crops like lettuce, tomatoes, okra are particularly salt-sensitive. Even more robust crops\u2014cassava, coconut, sugar apple\u2014can suffer if salt levels remain high.<\/p>

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Physical destruction of assets.<\/strong>
Beyond soil chemistry, the immediate force of water can uproot plants, destroy greenhouses, saturate fields for prolonged periods, and wash away nutrient-rich topsoil. For livestock and poultry operations near the coast, the risk isn\u2019t just flooding\u2014but contamination of feed, destruction of shelters, and loss of grazing or yard space.<\/p>

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Disruption of inputs and supply chains.<\/strong>
Agricultural systems in the islands rely on imports (fertilisers, seed, equipment) and coastal facilities (storage, packaging, cold-rooms). A tsunami poses not just the wave hazard but the knock-on disruptions\u2014ports damaged, roads blocked, power out. Agriculture becomes a secondary casualty of a broader coastal disaster.<\/p>\n\n\n\n

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The Stakes for Food Security<\/h3>\n\n\n\n

The agricultural sector in Antigua and Barbuda matters not just for exports\u2014but for national food security, livelihoods, and resilience. In the event a tsunami strikes:<\/p>\n\n\n\n